Answer:
The fossil forms that occur in the rocks, however, provide the chief means of establishing a geologic time scale, with the timing of the emergence and disappearance of widespread species from the fossil record being used to delineate the beginnings and endings of ages, epochs, periods, and other intervals.
Answer: The fossil forms that occur in the rocks
Explanation: Trust me
Which activity is more likely to be the work of an engineer rather than a
research scientist?
A. Studying the structures that make up bird feathers
B. Comparing the structures and functions of various bird wings
C. Testing the impact of pesticides on local bird populations
D. Using inspiration from nature to develop a winged suit
Answer: D
Explanation:
Using inspiration from nature to develop a winged suit
When two molecules of water are oxidized by PSII, how many total hydrogens are generated in the thylakoid lumen?
When two molecules of water are oxidized by PSII, the total hydrogens generated in the thylakoid lumen is 4 hydrogen ions.
What are molecules?A molecule is de scribed as a group of two or more atoms held together by attractive forces known as chemical bonds.
The light reactions of photosynthesis occur in photosystems I, PSI, and photosystems II, PSII present in the thylakoid membrane of the chloroplast.
In the light reactions of photosynthesis, water molecules are oxidized to oxygen and ATP molecules are produced which drives the dark reactions of photosynthesis.
Thylakoids lumen are membrane-bound compartments inside chloroplasts and cyanobacteria which are the site of the light-dependent reactions of photosynthesis.
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In fruit flies, brown bodies (B) are dominant to black bodies (b). Cross a black fruit fly with a heterozygous fruit fly. Determine the phenotypic and genotypic rations of their potential offsping
The possible phenotypes of heterozygous fruit flies with brown bodies (Bb) that are crossed with black bodies (bb) include both brown flies (genotype Bb) and black flies (genotype bb).
What is a Punnett square?The Punnett square is a diagram used in genetics to calculate the possible phenotypes and genotypes in offspring according to the cross, which in this case includes Bb x bb to generate Bb and bb offspring.
Therefore, with this data, we can see that the Punnett square can be used to calculate the phenotypes in the next generation through their genotypes.
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An organism's genotype is (1 point)
O a trait that is expressed in a homozygous individual.
O an allele that is expressed whenever it is present.
O an observable trait.
O the set of alleles an organism has for a trait.
Answer:
4th option (last option)
Which of the following is an example of a structural adaption?
*
1 point
Spikes on a bearded dragon
Venom in snake bite
Green vs brown coloration
Mimicry
An example of structural adaptation is a spike on a bearded dragon (option A).
What is structural adaptation?Adaptation in biology is an instance of an organism undergoing change, or the structure or behavior that is changed.
Adaptation can either be structural or behavioural depending on the change that occurs:
An adaptation can be structural, meaning it is a physical part of the organism. An adaptation can also be behavioural, affecting the way an organism responds to its environment.
An example of a structural adaptation is the way some plants have adapted to life in dry, hot deserts. Plants called succulents have adapted to this climate by storing water in their short, thick stems and leaves.
Therefore, the possession of spikes on a bearded dragon is an example of structural adaptation.
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List the steps in the process of family intervention and tell what happens at each step.
There are 5 steps to the process of family intervention which includes:
Self education - learn about the disease or conditionInvolve a moderator - Hire a professional interventionist who is skilled at handling the situationsBe direct - explain the impacts of the condition to the familyDiscuss consequences - talk about the ultimatums and what would happen for not seeking helpPropose treatment alternatives - propose other treatments or replacements for conditions or addictionManage expectations - remember there could be setbacks and incorporate plans for them.What are the process to family intervention?These are steps taken to ensure that family members undergo treatments necessary to help them recover from damaging habits and conditions harmful to health such as addictions, abuse, etc.
Some of these steps include Self education, being direct, discussing consequences, proposing treatments and managing expectations.
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Food and waste must enter and leave the body of the Cnidarian from the same opening. Explain why it would be disadvantageous, then, for a cnidarian to have a particularly long body
Cnidarians digest their food outside of their cells, where enzymes break down the food into smaller pieces and the cells lining the gastrovascular cavity take in the nutrients. The gastrovascular cavity doubles as the mouth and anus in cnidarians, which have an incomplete digestive system with only one opening.
How do cnidarians eat food and get rid of waste?The gastrovascular cavity, a portion of the cnidarian's body, is used to transport materials as food enters the mouth and waste products exit through the mouth. By means of cellular digestion and the use of digestive enzymes, the cells located inside the gastrovascular cavity break down food.
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Identify from which region of the vertebral column each vertebrae belongs to. What are the differences between the size of the body, vertebral foramen, and spinous processes?
Within the various regions of the spine, the vertebrae vary in size and shape, but they all follow similar structural patterns.
What is spine?Your spine, or backbone, is the central supporting structure of your body. It connects different parts of the musculoskeletal system. The spine helps us sit, stand, walk, twist and bend. Back injuries, spinal cord disorders, and other problems can damage the spine and cause back pain. The spine is the central supporting structure of our body. The spine is a chain of bones, but it is made flexible by elastic ligaments and intervertebral discs. The vertebrae are generally numbered and divided into different regions. Neck, chest, lumbar, sacrum, coccyx. Only the top 24 bones are movable.To learn more about spine from the given link :
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Picture 1 is a part of cervical vertebrae and picture 2 is a part of thoracic vertebrae.
What is cervical and thoracic vertebrae?
The C1–C7 vertebrae, which make up the cervical spine (neck area), are connected to one another by intervertebral discs. These discs provide the spine with mobility and serve as shock absorbers when people are moving around.There are 12 vertebrae in the thoracic area, identified as T1–T12. Spinal nerves emerge through a space created by the intervertebral discs, laminae, pedicles, and articular processes of neighboring vertebrae. Combined, the thoracic vertebrae form a kyphotic curvature.Difference between size of the body, vertebral foramen and spinous processes:
Regardless of body size, nearly all mammals have seven cervical vertebrae. This indicates that there are significant differences in the size of cervical vertebrae, ranging from the shrew's relatively short cervical vertebrae to the giraffe's neck's much lengthened vertebrae. Each cervical vertebra in a fully mature giraffe measures 11 inches in height.The spinal cord and its meninges are located in the vertebral foramen. The spinal cord is located in this spacious passageway that runs up and down inside each vertebra; it is commonly referred to as the spinal canal rather than the vertebral foramen.The lumbar spinous processes (LSP) provide a crucial anatomical and biomechanical purpose by anchoring the interspinous and supraspinous ligaments, as well as the intersegmental paraspinal muscles and safeguarding the neuronal structures in the spinal canal.Hence one is cervical vertebrae and the other is thoracic vertebrae.
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How does the translation
process know where to
start and stop?
A. The ribosome decided when to
start and stop.
B. Start and stop codons this
C. It is random.
D. The genes regulate the entire
process.
Answer: B. Start and stop codons
Explanation:
The start codon marks the site at which translation into protein sequence begins, and the stop codon marks the site at which translation ends.
Answer:
b) Start and stop codons
Explanation:
The translation process know where to start and stop by Start and stop codons. Hence, the option (b) is correct.
People who get better grades in school will be more successful in life.
agree or disagree
5-7 sentences in length.
Answer:
the correct awnser is a
Explanation:
I got it right on my test
A giant redwood tree captures sunlight with its leaves and uses that energy to create sugars to fuel cellular p Which characteristic of life does this trait best represent? O metabolism O response O growth and development O cellular organiz
Answer:
photosynthesis
What are two pieces of evidence that support the Big Bang theory
Explanation:
hubbles discovery in the 1920's of a relationship between galaxy's distance from Earth and its speed
&
the discovery in the 1960's of cosmic microwave background radiation
Directions
Pour the water into the bowl. Mix in the dirt.
Place the small glass in the center of the bowl. The lip of the glass should stand taller than the dirt and water mixture, but shorter than the sides of the bowl.
Find a sunny spot outside. Place the bowl in direct sunlight.
Place the plastic wrap over the bowl. Put the rock in the center of the plastic wrap, directly over the cup. Gently push down on the rock until the sides of the plastic wrap slope at about a 45° angle. Secure the loose sides of the plastic wrap to the outside of the bowl.
Leave the bowl in the Sun for three or four hours.
Remove the plastic wrap. Look in the cup and in the bowl. Record your observations.
Respond to the questions below.
Questions
Answer the questions in the essay box below.
Is the water in the cup dirty? Why or why not?
What happened to the water in the bowl?
This project simulates a real world process. What does the plastic wrap represent? What does the water in the cup represent?
Which two parts of the water cycle are at work?
WILL MARK BRAINLIEST!!!!
Note that the experiment you are performing is known as "Solar water distillation" experiment.
The water in the cup is probably unclean because the dirt and water combination in the bowl filtered through the plastic wrap and into the cup via evaporation and condensation.
The plastic wrap represents the Earth's atmosphere, while the water in the cup represents purified water collected, or "distilled," by evaporation and condensation.
The water in the bowl would have evaporated and condensed on the inside of the plastic wrap, running down and into the cup. Evaporation and condensation are the two components of the water cycle at an action in this research.
What is the purpose of the above experiment?The goal of the preceding experiment is to illustrate and comprehend the process of solar water distillation, which is a method of purifying water using the energy of the sun.
The experiment replicates the evaporation and condensation processes, in which the sun's heat causes the water in the bowl to evaporate and then condenses on the plastic wrap, pouring down into the cup.
The dirt and contaminants in the water are left in the bowl, resulting in clean water in the cup. The experiment aids in understanding the fundamental concepts of solar stills and how they may be used to purify water in isolated places or during survival scenarios where access to clean water is limited.
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Answer:1. The water in the smaller bowl was not dirty because of condensation.
2. The water in the larger bowl was gone, but the dirt i put in it was still there
3. The water got into the smaller bowl because of codensation. The water in the big bowl got lifted from condensation and bounced off of the plastic wrap and landed in the small bowl.
4. The plastic wrap represents the Earth's atmosphere, while the water in the cup represents purified water collected, or "distilled," by evaporation and condensation.
5. The water in the bowl would have evaporated and condensed on the inside of the plastic wrap, running down and into the cup. Evaporation and condensation are the two components of the water cycle at an action in this research.
Explanation:
examples and non examples of a electron
Answer:
[Example]
Electrons are the smallest of the particles that make up an atom, and they carry a negative charge. The number of protons and electrons is equal in a neutral atom. The hydrogen atom, for example, has just one electron and one proton. The uranium atom, on the other hand, has 92 protons, and therefore, 92 electrons.[Non examples]
Protons because a proton is positivelycharged & the electrons of negatively charged.What passes through the
electron transport chain
AND both photosystems
to create a usable form of
energy for plants?
A. oxygen
B. electrons this is answer
C. pigments
Electrons passes through the electron transport chain and both photosystems to create a usable form of energy for plants
The electron transport chain is a series of four protein complexes that couple redox reaction and creating an electrochemical gradient that lead to the creation of ATP in a complete system named oxidative phosphorylation and it occur in mitochondria in both cellular respiration and photosynthesis and energy in form of ATP is generated at both cellular respiration and photosynthesis and in cellular respiration energy is synthesized in the mitochondria when electron passes through series of complex composed of the protein called as electron transport chain and electron produced from splitting water passes photosystem
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Answer: Electrons
Explanation: The electron transport chain is a series of molecules that accept or donate electrons easily
Help please
Why is mRNA so important?
A. because without it, DNA would be unable
to relay information to the rest of the cell
B. because it is the only molecule that carries
genetic information
C. because without it, the cell membrane
would be unable to protect the cell from
attack
D. because it has digestive enzymes that
protect DNA from being attacked
Answer:
a
Explanation:
because without it, DNA would be unableto relay information to the rest of the cell
Theorists who emphasize the discontinuity of development maintain that growth occurs in distinct stages.
Piaget's cognitive emphasize on the discontinuity of development that growth occurs in distinct stages.
What theories emphasize discontinuous development?The discontinuity sees development as more abrupt a succession of changes that produce different types of behaviors in different age at specific life periods is called stages. Biological changes provide the potential for occurrence of these changes. Period theories which emphasize discontinuous disruption, assume that developmental change often occurs in distinct stages that are qualitatively different from each other, and in a set, universal succession. The classical theories of Freud, Erikson, Piaget, and Kohlberg are called stage theories. Theories of discontinuously emphasizes the insensibility, defense mechanisms, and effect of the id, ego, and superego. Discontinuous are clear stages of development.
So we can conclude that Another issue rotates around the continuous and discontinuous theories emphasizing how change occurs in the growth stages.
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A. vascular tissue
B. ground tissue
C. nervous tissue
D. dermal tissue
Which of the
following is NOT a
tissue you would
find in a plant?
C
Nervous tissue is not found in plant instead they have some different system to respond to stimuli.
Biologists are aware that there are additional ways to process information in addition to our neurological systems and those of other animals, including fish. Plants can react to stimuli despite not having neural systems. For instance, when an aphid bites a leaf, the plant responds by sending an electrical signal from leaf to leaf instructing it to begin defending itself.
However, it's crucial to remember that a plant does not necessarily feel pain when it reacts to injury.
Plants lack nociceptors, the particular receptor types that are hardwired to respond to pain, in contrast to humans and other animals. They naturally lack the brains essential to convert such sensations into actual experiences since they also lack brains.
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(30-50 words) Is the sickle cell allele dominant or recessive? Explain. What is sickle cell trait?
help asap
What causes the rock layers of mountains to form zigzag shape?(1 point) Responses a transform fault a transform fault continental plate uplift continental plate uplift a normal fault a normal fault folding of rock
The outcrop of the eroded plunging anticlines and synclines bureaucracy a function zigzag pattern in the rock.
The fracturing of rock layers arise through excessive stress resulting from plate tectonics. This stress takes place because of convergent plate barriers in which the tectonic plates collide and push in opposition to every different in contrary directions.
When rocks deform in a ductile manner, in preference to fracturing to shape faults or joints, they will bend or fold, and the ensuing systems are referred to as folds. Folds end result from compressional stresses or shear stresses performing over sizeable time.
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What problem would most likely occur if a haploid cell attempted to perform meiosis?
Answer:
The cell could not replicate its DNA prior to meiosis.
Can humans ever directly see a photon?
Answer:
yes! Human eyes are specifically designed to detect light
Explanation:
Drag each characteristic to the correct category.
Viruses do not possess all the characteristics of life. Identify those characteristics that viruses display and those they don’t display.
made up of one or more cells
has a defined boundary
uses energy
exhibits growth and development
possesses internal organization
eliminates waste
Viruses are the acellular organisms that are non-living outside any living body. But once they are present inside a living body, they are able to multiply and increase their numbers inside the host cell. For this the viruses use host's energy and other components. They takeover host cell's machinery.
The internal organization of the viruses is composed of a genetic material either DNA or RNA, which is covered by a protein coat called the capsid. Viruses may or may not have an outer envelope made up of lipid.
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Form a hypothesis to explain the earthquakes that preceded the eruption of Mount St. Helens' 2004 eruption.
The eruption was preceded by a two-month series of earthquakes and steam-venting episodes produced by an injection of magma at shallow depth below the mountain.
What preceded the eruption of Mount St. Helens' 2004 eruption?A wave of diminishing pressure traveled down the volcanic conduit until it reached the underground magma reservoir. The magma reservoir then started to rise, produce bubbles (degas), and erupt explosively, which drove a Plinian eruption that lasted for 9 hours. Mount St. Helens's summit crater saw a steam-blast eruption recently.
An injection of magma at a shallow depth below the mountain caused an enormous bulge and a fracture system on Mount St. Helens' north slope before the eruption, which was preceded by a series of earthquakes and steam-venting episodes that lasted for two months.
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If mitosis but not cytokinesis occurred in onion root tip cells, what would you expect to see on a slide of these root cells?
Answer: Well, cytokines happens after mitosis so you wouldn't see the daughter cells dividing yet.
Explanation: Onion root-tip cells divide once every 24 hours, or roughly two hours after sunrise, and go through a cell cycle that lasts for about 24 hours. Therefore, in order to harvest the greatest amount of proliferating cells, water-grown roots should only be removed at that time.
A diagram of an ATP molecule is shown below.
ATP MOLECULE
Bond Bond
2
doo
Bond
Bond
3
4
Which bond is broken first to release energy for cell use?
O Bond 4
O Bond 1
O Bond 3
O Bond 2
Chemical reactions which release energy are referred to as exothermic when bond 3 is first broken for cellular utilization.
what is the importance of energy?Due to the fact that it is a fundamental human requirement, energy is crucial to our daily existence. Our constructions, which are constructed by humans, are heated and cooled by energy. Even the simplest tasks like lifting your finger or getting out of bed require energy.
What elements comprise energy?Energy is a phrase used to describe a property of matter or non-matter fields; energy is not a substance in and of itself. For instance, it's argued that kinetic energy exists when a substance moves. Potential energy comes in many different forms as well.
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What most likely caused a substance to be solid
Which heart calves are open and which are closed when blood passes out of the right ventricle towards the lungs?
Answer:
When the left ventricle contracts, the right ventricle also contracts. This causes the pulmonary valve to open and the tricuspid valve to close. Blood flows out from the right ventricle to the lungs before it is returned to the left atrium as fresh, oxygenated blood.
Explanation:
What could result if tryptophan cannot cross into the cell?
A decrease in tryptophan levels in the blood
A build-up of tryptophan levels in the blood
If tryptophan cannot cross into the cell, there will be a build-up of tryptophan levels in the blood (option B).
How do substances move into cells?Tryptophan is an essential amino acid having an indole side chain. It is present in many foods, especially chocolate, oats, bananas and milk.
Tryptophan is essential for normal growth and development and is the precursor of serotonin and niacin. This amino acid is carried by the blood and is absorbed by living cells for use.
However, in a case whereby tryptophan cannot cross into the cells, it becomes built-up in the blood and increase in concentration.
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The circle below represents sells the arrow shows the movement of materials State whether each diagram represents active or passive transport
Passive transport carries molecules from the more concentrated side to the less concentrated one, while active transport carries molecules against their electrochemical gradient, needing the energy to do it.
Note: Since the image is not attached and I could not find it, I will define active and passive transport and attach an image with cells, molecules, and arrows indicating molecule motion for each transport case.
What are active and passive transport?Active and passive transport are two ways in which substances can move through the plasmatic membranes.
Passive transport occurs in favor of an electrochemical gradient and does not need energy to move because molecules move from the more concentrated side to the less concentrated one.
Simple diffusion and facilitated diffusion are two types of passive transport.
On the contrary, active transport moves molecules against their electrochemical gradient. This means that molecules move from the concentrated side to the more concentrated one. This process needs the energy to occur.
In the attached image you will find two scenarios. One of them is passive transport and the other one is active trasport. You should notice the differences in substances concentrations at each side of the membrane, and the arrow direction.
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