After an experiment, Monica creates a graph that shows a direct linear relationship between the size of a fish and the amount of oxygen the fish uses. Describe this trend in terms of the amount of oxygen that a fish would use us as it grows from being very smart very large
Increase in the metabolic activities of the fish necessitated the increase in the consumption of oxygen hence the straight line graph.
What is an experiment?We know that when we carry out an experiment, the aim of the experiment is so that we can be able to deduce the nature of the relationship that is seen to exist between two variables. The variables are the independent and the dependent variables. The dependent variable is directly affected by the independent variable as it changes.
We are also told that what we have here is a straight line graph. This implies that the amount of oxygen that the fish was using was increasing as the age of the fish was increasing. This is what has accounted for the straight line graph.
Now we can see that the reason why we have a straight line graph is that the metabolic activities of the fish was increasing as the age of the fish was increasing thus it had to take in more of the oxygen.
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A molecule that can be used as a molecular clock has a neutral mutation rate of one mutation per 5 million years. How many years ago did two species share a common ancestor, if the molecules found in these two species differ by a total of eight mutations?
1.5 million years
10 million years
40 million years
20 million years
20 million years ago two species share a common ancestor, if the molecules found in these two species differ by a total of eight mutations.
Neutral mutations play an major role in the phenomenon of evolution because they generally take place at a consistent rate over time.
Every time when a genome is passed from one generation to another , a small error is responsible for changing the base sequences. So the mutation rate in the genome copy is calculated by both the rate of error per copy and the number of copies made per unit time. Both of these factors may be impacted by species biology.
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What experiences had Wallace had as a naturalist before traveling to the Malay Archipelago?
Wallace came to the conclusion that new species emerge near closely related species based on his observations of species inside the Malay Archipelago and the Amazon.
what are the some examples of species?The ecological species concept, which defines a species as an organism group framed by the resources they depend on (otherwise known as their ecological niche), as well as the genetic species concept, which assumes that all organisms are capable of inheriting traits from each other within a common gene pool, are two examples.
Which definition of "species" is the most accurate?A group of living things that can naturally breed with each other and generate children that are fertile is commonly referred to as a species. It can be challenging—even contentious—to classify a species, though.
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1.
Reptiles first appeared at the end of the _____ era.
Cenozoic Era
Archean era
Mesozoic Era
Paleozoic Era
Reptiles first appeared at the end of the Paleozoic Era. Thus, option D is correct.
What are reptiles?Reptiles first appeared during the Paleozoic Era. The Paleozoic Era occurred around 542 to 251 million years ago. More specifically, reptiles first appeared in the Upper Carboniferous Period known as the Pennsylvanian Period, which was from 323.2 to 298.9 million years ago.
Emergency procedures are processes that needs to have a quick action to arrive at a fast resolution. But it must still be conducted in an orderly manner. An elective procedure is a planned surgery. It is subjected to choice or election.
During the early period of the Paleozoic era (The Cambrian), there existed marine living organisms (phyla). During the Paleozoic era, volcanic activity was experienced. Lastly, the Paleozoic era was a geologic period that was prone to erosion and deposition of marine fossils.
Therefore, Reptiles first appeared at the end of the Paleozoic Era. Thus, option D is correct.
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Which letters from the image contain genetic information? Hint: Choose multiple answers
The letters from the image that contain genetic information include C, D, and E.
What are genetic information?Genetic information are information present in the cells of organisms that dictate the physical traits of organisms. In other words, genetic information are information present in the cells of living organisms that dictate what the organisms will look like.
The genetic information of living cells are usually stored in the DNA os organisms. These DNAs are made of sequences of nucleotides, with a particular nucleotide sequence representing a gene.
The DNA are packaged and arranged as chromosomes in living cells.
Now, looking at the image, C indicates the genetic materials of the cell where the genetic information are stored. A closer look at C shows that it is made of chromosomes. Each chromosome consists of double helix DNA (D) that is made up of complementary nucleotide bases (E).
In other words, C, D, and E contain the genetic information of the cell.
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A student is constructing a model to illustrate the levels of organization for life on Earth.
Which description would be the best to add to the model for level 3?
Responses
1: Population; 2: Biome;3: Ecosystem
Population refers to the number of people in a state. Biome is a large area characterised by it's vegetation, soil,climate, and wildlife. Ecosystem is a geographic area where plants, animals and other organisms exists.
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Speed can be determined by dividing the distance by the Displacement Time Velocity Density
The speed of a moving object can be determined by dividing the distance traveled by the time taken. The second option.
What is speed?Speed is the property of a moving body that is obtained by finding the ratio of the distance covered by the body and the time taken to cover the distance.
The speed of a moving object can be expressed mathematically as:
Speed = distance/time.
The SI unit of distance is meter while the SI unit of time is seconds. Thus, the unit of speed is meter per seconds, usually denoted as m/s. However, any other unit that is a derivative of meter per second can be used to qualify the speed of an object.
The speed of an object is a scalar quantity because it measures magnitude only. This is unlike vector quatities that has both magniture and direction.
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A geologist is studying some ancient igneous rocks. She uses the unstable element Uranium 235 to date the material. The half-life of this element is 704 million years. If she finds parent isotope to daughter isotope ratio in the amount 12.5% parent to 87.5% daughter, about how old will the sample be?
The age of the sample from the half life is 2.1 * 10^9 years.
What is the age of the sample?We know that when radioactivity is taking place, the parent nucleus would disintegrate and the daughter nucleus is formed. We can know the amount of the parent and daughter isotope as it is in the question.
We mow need to find the age of the sample from;
N/No = (1/2)^t/[tex]t_{\frac{1}{2} }[/tex]
N = Number of atoms that remain after time t
No = Number of atoms originally present
t = age of the sample
[tex]t_{\frac{1}{2} }[/tex] = Half life of the sample.
To obtain the age of the sample;
0.125No/No = (1/2)^t/704 * 10^6
0.125 = (1/2)^t/704 * 10^6
(0.5)^3 = (0.5)^t/704 * 10^6
3 = t/704 * 10^6
t = 3 * 704 * 10^6
t = 2.1 * 10^9 years
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Describe how to improve the function of the cell membrane
Answer:
The plasma membrane is a common cell structure found in the cell of both eukaryotes and prokaryotes. It demarks the interior environment of the cell from the external environment and has a semipermeable nature. Structurally it is composed of phospholipids and molecules of proteins. The material which accounts for the rigidity of the plasma membrane is cholesterol; molecules of cholesterol are situated in the middle of phospholipid layers.
african savanna elephant chance of survival
Describe the direction of wind related to atmospheric pressure. The question requires you to state in a simple, matter of fact way, thank you!
Which environmental factor would decrease plant growth?
Responses
fertilizer
fertilizer
drought
drought
light
light
space
Answer: it is drought
Explanation:
Answer:light
Explanation:In some cases, poor environmental conditions (e.g., too little water) damage a plant directly. In other cases, environmental stress weakens a plant and makes it more susceptible to disease or insect attack. Environmental factors that affect plant growth include light, temperature, water, humidity and nutrition.
if the wet bulb depression is 3 degrees and the dew point is 24 degrees, what is the relative humidity?
if the wet bulb depression is 3 degrees and the dew point is 24 degrees, relative humidity would be approx. 66%
What is relative humidity?
Relative humidity, often expressed as a percentage, indicates a present state of absolute humidity relative to a maximum humidity given the same temperature. It is a measure of how much water vapor is in a water-air mixture compared to the maximum amount possible.
Moreover, it measures the density of water vapor in a space relative to the temperature in the same space.
Calculate relative humidity RH using the formula, RH = 100 × {exp[17.625 × Dp/(243.04 + Dp)]/exp[17.625 × T/(243.04 + T)]}
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What are the genotypes and phenotypes of the F2 generation?
Genotypes:
Phenotypes (colors of snapdragons):
There are four phenotypes and nine genotypes in the F2 generation.
In Mendel's dihybrid cross, two traits were in consideration for the F2 generation. In this dihybrid cross, for the seed color and seed type, he crossed two homozygous varieties, round yellow-seeded plants that are dominant RRYY with wrinkled green-seeded plants that are recessive rryy.
After the cross, the product obtained is round yellow, round green, wrinkled yellow, and wrinkled green seed.
So, the 9 genotypes are
RRYY, RRYy, RrYY, RrYy for round yellow phenotype
RRyy, Rryy for round green phenotype
rrYY, rrYy for the yellow wrinkled phenotype
rryy for the green wrinkled phenotype
For genotypic and phenotypic ratio is 1:2:1
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what organelle makes carbon dioxide?
Answer:
Mitochondria
Explanation:
The organelle that will use up oxygen and give off carbon dioxide and water is the mitochondria. The mitochondria is a membrane bound organelle used by eukaryotic cells to carry out cellular respiration.
PLEASE MARK AS BRAINLIEST!!!Answer: The answer to that would be mitochondria.
The mitochondria is an organelle used by eukaryotic cells to help carry out cellular respiration.
We just reviewed this in my science class but I'm not that sure if it's what you were looking for!!!
PLEASE HELP…*image provided*
What element is changed by lightening into a form that plants can use?
Answer:
nitrogen fixation
Explanation:
Nitrogen in the atmosphere can be transformed into a plant-usable form, a process called nitrogen fixation, by lightning. Each bolt of lightning carries electrical energy that is powerful enough to break the strong bonds of the nitrogen molecule in the atmosphere.
Why is manure unreliable fertilizer
The reasons why manure is an unreliable fertilizer include;
the nitrogen content may not be highit can reduce the nitrogen level of soil.What are fertilizers?Fertilizers are substances that when added to the soil improves the nuttrient content and fertility of the soil.
There are two types of fertilizers;
synthetic ferilizers - these are artificially manufacturedorganic fertilizers - these are obtained from lthe living environment e.g. manure.Manure is obatined from dropping of animals and decayed or decaying plants.
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HELP PLEASE
Does protein for fur have more energy than collagen?
If so come up with a hypothesis as to why it takes more energy to form some proteins than others.
Yes, Does protein for fur have more energy than collagen. The hypothesis as to why it takes more energy to form some proteins than others is that doing more work requires more energy from your body, that results in increased calorie burn.
How much energy does whey protein provide?One of the most often utilized proteins is whey protein, which is ideal for daily use. It is easily digestible and includes all nine necessary amino acids. It can lower stress levels and increase energy.
Note that Fur proteins are widespread transcriptional controllers that were once thought to be solely responsible for maintaining iron homeostasis in most prokaryotes. They utilize ferrous iron as a co-regulator by binding to specific sequences (Fur boxes) found in the upstream promoter region of the iron sensitive genes (Fillat 2014).
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Provide a possible solution to reduce the damaging effects of an El Niño or las Nina event
Solution to reduce the damaging effects of an El Niño or las Nina event is alternating extreme weather condition which emanates from east central equatorial pacific ocean
El Niño is usually associated with rising sea level which raises temprature beyond normal and resulting into events such as flooding and rainstorm and El Niño effect can be curtailed by building storm resist structure in affected area while also ensuring good drainage system to reduce the effect of flooding's and more than 60 million around the world have been impacted and people whose livelihood depend in agriculture, fisheries and livestock's are particularly affected and hence resulting in extreme weather condition in some other location on earth
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Anaerobic respiration is used in conditions that:
Answer:
Application of Anaerobic Respiration
It plays a critical role during biogeochemical cycles like Nitrogen Cycle, Iron Cycle, Sulfur Cycle, and Carbon Cycle. ...
It is used in sewage treatment plants and waste management systems. ...
Power generation through microbial fuel cells is an anaerobic respiration process.
Production of organic acids like lactic acid, propionic acid, acetic acid, butyric acid, etc. for commercial and household uses.
Explanation:
Why is it important that a pure water IV not be given to dehydrated patients?
Pure water IV is not given to a dehydrating patient because our circulation already includes some salt, IVs also contain saline, a solution of water and salt that is almost isotonic with blood. Water flows from a high concentration to a low concentration, preventing the cells from exploding.
What would happen if you injected pure water into a patient?Patient would pass away. The cell would rupture owing to osmosis because of the disparity in salt content between the interior and exterior. In order to establish an isotonic state, the water would exit the cell and switch from the less concentrated inside to the more concentrated outside, killing the cell and ultimately the patient.
Hence, Continuous monitoring is necessary when receiving a saline water IV injection to make sure the IV solution is giving the patient the proper amount of fluids and minerals.
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An example of a relationship
where one organism gains but
the other is harmed would
be...
A. a tick on a deer.
B. a bird building a nest in a tree.
C. a fish swimming upstream.
Answer:
a) a tick on a deer.
Explanation:
A tick on a deer is an example of a relationship where one organism gains but the other is harmed.
Here the tick gets energy, but the deer loses its blood. Therefore, the option (a) is the correct answer.
Individuals of a population group together in clusters or groups. This is often found in schools of fish, patchy habitats, or trees with heavy seeds that drop directly to the ground.
A. Clumped
B. Random
D. Uniform
Answer: It is A
Explanation: It's A because clumped , individuals are clustered in groups
Sociable and Outgoing
Question 7 options:
Neither
Antonyms
Synonyms
The term Sociable and Outgoing is option C: Synonyms
What traits define someone who is sociable?People with sociable features have traits that support healthy interpersonal interactions. Many people naturally exhibit sociable qualities like an upbeat and cheerful attitude, self-control, adaptability, integrity, and teamwork.
A few typical definitions of social include amiable, cordial, friendly, and gracious. While all of these phrases refer to anything that is "markedly pleasant and easy in social contact," the adjective "sociable" denotes a sincere desire for other people's company.
Note that a person who actively engages in social interaction and looks for opportunities to mingle is referred to be outgoing. Extroverted is a similar term. Social, sociable, or gregarious are common adjectives used to characterize outgoing people. The two words above are close in meaning.
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6) What is the inorganic compound that is included in the
structure of DNA building unit? ?
Ribose sugar.
Phosphate group.
Thymine base.
O Deoxyribose sugar.
Inorganic compound that is included in the structure of DNA building unit is Phosphate group
An inorganic compound is the substances that does not contain both carbon and hydrogen and a great many inorganic compounds do contain hydrogen atoms and such a water and hydrochloric acid produced by your stomach and the sugar in the DNA molecule id deoxyribose and the one RNA ribose sugar and this is the phosphates based on the inorganic compound phosphoric acid means H₃PO₄ and they react with the sugar in the nucleotides to form ester bond
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How can Earth's layers be defined? Select the two correct answers
by their amounts of land area
by their physical properties
by their chemical compositions
by their temperatures
by their thickness
It is possible to define the layers of the earth using the information below:
in accordance with their chemistry.
based on their physical characteristics.
So, choices A and B are the ones that are appropriate for this inquiry.
What distinguishes the earth's various layers?In general, there are four major strata that make up the earth's structure. According to them,
The crust.
The mantle.
The outer core.
The inner core.
The layers indicated above all have different chemical makes up. When characterizing the many strata of the earth, factors such as the physical state and chemical makeup are equally significant. Iron and a little amount of nickel are both found to be most abundant in the core regions.
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What is photosynthesis?
A. growing flowers from seeds
B. using light to make high-energy
carbohydrates this is answer
C. using fertile soil to grow
horticulture
D. water absorption from plants
Answer:
B.
Explanation:
Photosynthesis is basically plants using sunlight (or any light) to make 'food'.
Plants, algae, and cyanobacteria that contain chlorophyll engage in the most prevalent and important type of photosynthesis. These organisms absorb solar energy and transform it into chemical energy contained in the molecules of carbohydrates by using carbon dioxide and water. Thus, option B is correct.
What are the process involving in photosynthesis?The three episodes that occur during the photosynthesis cycle are: Light energy is absorbed by chlorophyll, which breaks down water molecules into oxygen and hydrogen. Light energy is converted into chemical energy. The reduction of carbon dioxide leads to the formation of carbohydrates.
The photosynthetic cycle contains three stages, which are as follows: Light energy is absorbed by chlorophyll, which then divides water molecules into oxygen and hydrogen. Light energy is converted into chemical energy. Carbon dioxide is reduced, which results in the creation of carbohydrates.
Therefore, using light to make high-energy carbohydrates.
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The cactus has a specialized fleshy stem that is specialized to store water for long periods of time. Which plant tissue most likely makes this action possible?
apical
dermal
ground
vascular
Answer:
dermal
Explanation:
the dermal because is the most external tissue of the plant an with the thorns they can collect the water and then during the drought they can use these water
Select the correct answer from the list: water, gravity, wind sink break apart rise metamorphic igneous sedimentary
Answer:
Cooling can cause magma within Earth to solidify resulting in the formation of igneous rock.
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