Answer:
Key Takeaways: Plant Tissue Systems
Epidermis is a thin cell layer that covers and protects underlying cells. The outer periderm, or bark, is a thick layer of nonliving cork cells. Vascular tissue is composed of xylem and phloem. These tube-like structures transport water and nutrients throughout the plant.
Answer:
function of tissue system:
Dermal tissue covers and protects the plant, and vascular tissue transports water, minerals, and sugars to different parts of the plant. Ground tissue serves as a site for photosynthesis, provides a supporting matrix for the vascular tissue, and helps to store water and sugars.
Explanation:
structure of tissue system:
Vascular tissue transports water, minerals, and sugars to different parts of the plant. Vascular tissue is made of two specialized conducting tissues: xylem and phloem. Xylem tissue transports water and nutrients from the roots to different parts of the plant, and also plays a role in structural support in the stem.
Why is the cell membrane made of two layers?
Answer:
When cellular membranes form, phospholipids assemble into two layers because of these hydrophilic and hydrophobic properties. The phosphate heads in each layer face the aqueous or watery environment on either side, and the tails hide away from the water between the layers of heads, because they are hydrophobic.
Explanation:
why is abortion important?
Why is photosynthesis considered a light-dependent reaction?
Answer: Light reactions of photosynthesis are light dependent reactions. They are light dependent because for the process to start, a light ray should impinge on the chlorophyll and only then the reactions of photosynthesis begin.
Explanation:
3. Humans need food to provide energy. What other necessary component does food provide for the body? O A. Hormones OB. Raw materials to build structures • C. Digestive enzymes O D.Oxygen
DDDDDDDD DDDDDDDD DDDDDDDD
Explanation:
DD
3. Compare the advantages and disadvantages of disposing of municipal solid waste in sanitary landfills and by incineration.
Lowers population of pest is the advantages of disposing of municipal solid waste in sanitary landfills whereas high cost and damage to health are the disadvantages of disposing of municipal solid waste in sanitary landfills
What are the advantages and disadvantages of disposing waste in sanitary landfills?The main advantage of disposing of municipal solid waste in sanitary landfills is that it minimizes pests such as rodents and insects that can carry many diseases. The disadvantage disposing of municipal solid waste in sanitary landfills is that it can be costly and can cause problems with a sanitary landfill is the environmental hazard.
So we can conclude that lowers population of pest is the advantages of disposing of municipal solid waste in sanitary landfills whereas high cost and damage to health are the disadvantages of disposing of municipal solid waste in sanitary landfills.
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Incineration has the advantage of reducing the volume of the final waste that should be disposed thereby helping in the process of waste disposal.
What is a landfill?A landfill is an area that has been set aside for the disposal of refuse. It is a large area that could consist of an open pit into which refuse could be poured from time to time.
Now, incineration has to do with the burning of waste materials. The sanitary landfills tend to protect the environment from the possible release of harmful fumes and carbon wastes. On the other hand, the disadvantage of the sanitary land fills is that there is the possibility of ground and surface water contamination by toxic materials.
Incineration has the advantage of reducing the volume of the final waste that should be disposed thereby helping in the process of waste disposal.
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Which is not a water quality monitoring parameter?
Select one:
a. habitat
b .turbidity
c. salinity
d. pH level
How does mitochondrial structure contribute to aerobic metabolism, particularly in the integration of the citric acid cycle and electron transport?.
The reduced electron carriers generated by the citric acid cycle are restricted to the matrix by mitochondrial structure. There, they are adjacent to the respiratory complexes of the electron transport chain, which will transfer the electrons from the carriers made by the TCA cycle to oxygen, the final recipient of electrons and hydrogens.
What is the role of mitochondria in the citric acid cycle and electron transport chain?
Citric Acid Cycle:
The pyruvate molecules generated at the conclusion of glycolysis are carried into mitochondria, which are locations of cellular respiration, in eukaryotic cells. By eliminating a carbon dioxide molecule in the mitochondria, pyruvate is converted into a two-carbon acetyl group, which is then taken up by the carrier substance coenzyme A. (CoA). The end product is known as acetyl CoA.
The citric acid cycle occurs in the matrix of the mitochondria in eukaryotic cells. The eight phases of the cycle are a sequence of chemical processes that result in the production of two molecules of carbon dioxide, one molecule of ATP, and the reduced versions of NAD+ and FAD+, known as NADH and FADH2, which are crucial coenzymes for cell function. Because the NADH and FADH2 generated must transport their electrons to the system's next pathway, which uses oxygen, part of this is regarded as an aerobic pathway. This transmission is not possible without oxygen.
Electron Transport Chain:
However, the majority of the ATP produced during the aerobic breakdown of glucose does not come from these mechanisms. Instead, it results from a procedure that starts with the transfer of electrons through a series of chemical events to an ultimate electron acceptor, oxygen. Both eukaryotic organisms' mitochondrial inner membranes and prokaryotic organisms' inner cell membranes contain specific protein complexes where these processes occur. A gradient of electrochemistry is produced across the inner mitochondrial membrane by harnessing the energy of the electrons. ATP is produced using the potential energy of this gradient. This entire procedure is known as oxidative phosphorylation.
The sole aspect of metabolism that employs ambient oxygen is the electron transport chain, which is the final stage of aerobic respiration. The electron transport chain is made up of the aggregation of the four protein complexes I through IV as well as any related mobile, accessory electron carriers.
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WILL GIVE BRAINLIEST ANSWER QUICK
How can a person reduce their own food waste?
Use clean energy in food production facilities and storage.
When you are ordering out, order just enough for one meal.
Reduce the distance of imported items used to make food products.
Use energy-efficient technology in food production and storage.
Just buying enough food for one meal when we order out is one approach to decrease food waste.
How can we manage to reduce food waste?
Plan for the meals. Instead of buying whatever is left on the shelves, try to buy only what we eat, and eat what we buyEnjoy the meal to the last leaf, practically. Unusual components, including leftovers and fruit peels, can be reused.Issue of Food waste:
The issue of food waste needs to be addressed because it is so significant. Massive foodstuff manufacturing has increased to try to keep up with the rise in the global population. Nearly half of the foodstuff produced worldwide is wasted, and a large portion of it occurs at home because individuals have a practice of throwing leftovers away when they could be reusing them.Eating the leftovers is one way to prevent food waste. If we overcook or if we purchase an excessive amount of fresh items, refrigerate the remainder or apply the bleach method to freeze the fruits, veggies, and vegetables.Therefore, the correct choice is an option (B).
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Option B: When you are ordering out, order just enough for one meal.
How does evolution occur through natural selection?
A. Individuals die instead of adapting when changes in the environment occur.
B. Individuals different from their population are quickly killed by the rest of the species.
C. Individuals with a low fitness are more likely to survive.
D. Individuals best suited to their environment are more likely to survive and pass on genes.
Evolution occurs through natural selection when individuals best suited to their environment are more likely to survive and pass on genes; option D
What is evolution?Evolution is the process by which new species of organisms are formed from existing species through gradual changes which occur in these organisms over a long period of time.
Evolution of species can occur through a process known as natural selection.
Natural selection is the process by which species which possess certain features that enable to adapt to changes in their environment survive while those that do not have these features die.
In conclusion, natural selection is one the processes by which evolution occur.
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Fill in the blank with the correct abbreviation or symbol for the definition provided
Every day
The correct abbreviation for the term Every Day is Daily.
What is an abbreviation?An abbreviation is a term to refer to an orthographic convention that shortens the writing of a certain term or expression, and consists of the written representation of a word or group of words with only one or more of its letters.
According to the above, Daily is a correct abbreviation for the term Every Day since it expresses the same meaning with fewer letters. Additionally, this abbreviation is used in the medical field to tell patients when to take their medicine.
Doctors usually put Daily when their patient must take a medicine once a day.
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Scientists set two main goals for the Human Genome Project. Which is NOT one of those goals?
A. identify ALL human genes
B. sequence ALL base pairs of the human DNA C. develop new fields of science to study DNA
To "develop new fields of science to study DNA"was never one of the aims of the human genome project.
What is the Human Genome project?The Human Genome project was an initiative that was set up around 1 Oct 1990 – 14 Apr 2003 with laboratory locations across United States, Canada, New Zealand, Great Britain whose major aim was to discover and thoroughly sequence all the genes in the human body.
This would help scientists to understand the human body body and help them to be able to study certain diseases that could arise from changes in any of the gene sequences in the human body.
Thus, to "develop new fields of science to study DNA"was never one of the aims of the human genome project.
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I really need help with 6 thanks you
Answer:
pancreas
Explanation:
beta cells of the pancreas produce insulin
the example of protective food is
Answer:
Green leafy vegetables and fruits are called protective food e.g Milk
Which of the following factors would you expect to affect the rate of photosynthesis? Choose all that apply. You will be deducted for incorrect answers.
Select one or more:
a.
Amount of solar energy available
b.
Carbon dioxide concentration
c.
Amount of oxygen available
d.
Water availability
Answer:
Carbon dioxide concentration
Explanation:
Even if there is plenty of light, a plant cannot photosynthesise if there is
insufficient carbon dioxide.
What is the purpose of the classification system?
A. to group living organisms from largest to smallest
B. to classify and better understand organisms
C. to organize living organisms into the order they were discovered
D. to understand the uses living organisms can have to society
Hagfish are noted for having a skull, but no . . . A. pharyngeal slits.
B. vertebral column.
C. brain.
D. tail.
Answer:
but no the answer is spine which can also be called vertebral column so is B
Answer:
B. Spine/vertebral column.
Explanation:
xXMonkey here! Hagfish have no vertebral column. If I got this wrong, please let me know.
High heels of girls hurts more than elephant`s leg when steeped in someone. Give reason.
Answer:
because they wear high heels.
Explanation:
The only people with Rh negative blood are people who have inherited two recessive alleles for this trait. But some people who are colorblind have inherited only one recessive allele for this trait. Explain why these traits are different in terms of how many recessive alleles are needed to produce the recessive phenotype. Hint: Think about the above problem and sex chromosomes versus autosomes.
The difference is due to the inheritance pattern. Blood type needs two recessive alleles to express Rh-. Color-blindness needs only one.
What are the blood type and Color-blindness inheritance patterns?
⇒ Blood type is coded by a diallelic Rh gene that expresses complete dominance.
The allele Rh+ dominates over the allele Rh-.
Genotyopes and Phenotypes are as follows,
Individuals Rh+Rh+ express the possitive phenotypeIndividuals Rh+Rh- express the possitive phenotype Individuals Rh-Rh- express the negative phenotype.To express Rh-, a person must inherit two recessive alleles from their parents.
⇒ Color-blindness is an X-linked condition coded by a recessive allele.
As most sex-linked genes, it is transmitted together with the X chromosome.
The phenotype depends on the number of recessive alleles and the sex of the person.
Genotyopes and Phenotypes are as follows,
X⁺X⁺ women have normal sight.X⁻X⁻ women are completely color-blinded X⁺X⁻ women are partially color-blinded. X⁺Y Men are not color-blinded X⁻Y Men are color blinded.In this case, only one recessive allele is enough to express the affection.
In conclusion, Blood type needs two recessive alleles to express Rh-. Color-blindness needs only one recessive allele.
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identify the phase in the life cycle lf small and big stars
Answer:
small: giant, white dwarf, neutron star
big: supernova, planetary nebula
Explanation:
Answer:
Explanation:
got it right
What animal was moving in the bushes of one of the canals when the narrator was alone at xochimilco
In the underbrush of one of the canals, the narrator had a terrifying encounter with a panther.
You collect individuals from different allopatric populations of a leaf-eating beetle. In the laboratory, you conduct mate-choice experiments to assess levels of reproductive isolation among beetles from different populations. Assuming that ecological speciation occurred in the wild, which pattern should you expect?.
Less reproductive isolation among populations that share similar habitats.
What is ecological speciation?The process through which new species arise as a result of divergent natural selection between dissimilar ecological habitats is known as ecological speciation. Ecological speciation happens when reproductive isolation evolves as a result of adaptation to various habitats or resources.
The brief history of a gene flow barrier in the population that leads to environmentally based divergent selection in the development is known as ecological speciation. The Charles Darwin theory of evolution is connected to this one. It offers the world's population diversity. The species frequently occurs through natural selection. Additionally, the speciation happens in two ways:
Ecological speciationNatural selectionThe genetic diversity in the population does contribute to ecological speciation.
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9. What does each letter in the diagram below represent?
A.
B.
C.
D.
E.
F.
F
G.
H.
I.
J.
C
The layers composing the Earth are the core, mantle, and Crust. A) Internal core, B) External core, C) Mesosphere, D) Astenosphere, E) Lithosphere, F) Oceanic crust, G) Continental crust, H) Litosphere, I) Superior mantle, J) Astenosphere
What are the layers of the Earth?Three main layers compose the Earth.
The crustThis is the most external layer.
It is located right upon the mantle and is divided into many plates, that move over it.
It is composed of the oceanic basaltic plate (6-12 km) and the uppermost continental granitic plate (25-70 km).
The mantleThis is the second layer that composes the Earth.
It is a very hot and dense rock that is capable of flowing.
Convection currents occur in this layer, rising hot melted material from the deepest region and sinking cold solid material from the surface.
Three layers compose the mantle,
Upper mantle (40-400km)Transition zone (400-670km)Inner mantle (2285 km)The coreThis is the third layer and is divided into two sublayers,
- the solid inner core (1216 km)
- the liquid outer core (2270 km)
The core is mainly composed of Ferrum and nickel, and its temperature is about 6000ºC.
The extremely high temperatures are closely involved in material circulation, keeping the Earth's surface temperature, and electromagnetic field.
The core composes the EndosphereThe Internal mantle composes the MesosphereThe Transition zone and superior mantle compose the AstenosphereThe Crust composes the LithosphereA) Inner core
B) Outer core
C) Mesosphere
D) Astenosphere
E) Lithosphere
F) Oceanic crust
G) Continental crust
H) Litosphere (Crust)
I) Upper mantle
J) Astenosphere
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Which describes a transplant using healthy bone marrow cells from a compatible donor?
Answer:
Allogeneic transplants involve the use of cells from a donor.
Organisms can display explosive population growth called __________ when resources are abundant and there is no competition.
look at the picture
Which of the following population rates is most affected by the species' gestational period?
Birth
Death
Emigration
Immigration
The correct answer is Birth.
The two elements that raise population size are natality—the number of people who are added to a population over time as a result of reproduction—and immigration—the movement of people into a location. Most births are to folks who are young adults or older. Even at replacement fertility levels (when each woman has approximately an average of two children), there will be more births than deaths if the proportion of young adults to older adults is higher where mortality is highest. Immigration and birth rates lead to population growth. The population shrinks as a result of death rates and emigration. A population that has a negative growth rate is one in which there are more deaths and emigrants than births.
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Answer: A- birth
Explanation: I got it right on the test WOOOOO
God bless you all ily <3
Which of the following is an example of conservation by sustainable land use?
A. Reducing use of chemical fertilizers and pesticides.
B. Removing a dam and allowing water to flow naturally.
C. Using plants to remove toxins from the ground in an environment.
OD. Creating a new ecosystem equal in size to the one that was damaged.
Using plants to remove toxins from the ground in an environment is an example of conservation by sustainable land use.
In order to meet human needs both now and in the future, sustainable land use provides a fair and balanced distribution of land, water, plants, biodiversity, and other environmental resources among the numerous competing claims.
In order to protect, conserve, and use resources (soil, water, and biodiversity) sustainably, as well as to restore degraded natural resources and their ecosystem functions, sustainable land management (SLM) entails measures and practices that are tailored to biophysical and socioeconomic conditions.
SLM practices include:
Control soil erosion, boost soil fertility, manage soil organic matter for soil carbon sequestration, avoid land conversion and safeguard vulnerable areas; prevent land degradation; and recover degraded soils.
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What adaptation helps the
Orchid succeed in the
rainforest?
A. It grows long tap roots to reach
water sources.
B. It is one of the tallest trees in
the rainforest so it can reach the
sunlight.
C. It traps insects to gain extra
nutrients.
D. Instead of using energy
growing a trunk, it climbs other
plants to reach sunlight.
The adaptation which helps the
Orchid succeed in the rainforest is that It grows long tap roots to reach water sources.
What is adaptation?Adaptation can simply be defined as the ability of an organism to live adapt and live successfully in an environment
Other characteristics of living things are
MovementRespirationNutritionIrritabilityGrowthExcretionReproductionDeathCompetitionSo therefore, the adaptation which helps the Orchid succeed in the rainforest is that It grows long tap roots to reach
water sources.
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Sunlight is the ultimate source of energy in the ecosystem.
Answer: yup. That, and water or air.
Explanation:
Which statement is the best example of nonscience?
A. Selective breeding and genetic modification produce wheat grains
with higher protein content.
B. Stalks of wheat are displayed during harvest season as symbols of fertility, life and abundance.
C. Wheat plants grow taller when they receive plenty of water and sunlight.
D. People with wheat allergies may benefit from remedies such as activated charcoal and apple cider vinegar.
Stalks of wheat are displayed during harvest season as symbols of fertility, life and abundance is the best example of non-science. Thus, option B is correct. since the selective breeding of wheat grains is science term.
What is selective breeding?Selective breeding which applies artificial selection by human when they can control breeding process of organisms in order to introduce or eliminate a desirable character or trait.
Majority of breeding focuses on the beneficial traits for humans, where the beneficial trait pass from parent to offspring via genes.
The desirable phenotypic traits are passed from parents to offspring via their genes.
Th drawbacks of selective breeding in some case the undesirable traits which cause hereditary and health problems.
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Answer:
B. Stalks of wheat are displayed during harvest season as symbols of fertility, life, and abundance.
