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Sever21 [200]
3 years ago
6

How does Natural Selection apply to humans?

Biology
2 answers:
Sever21 [200]3 years ago
5 0
<span>Natural selection is the differential survival and reproduction of individuals due to differences in phenotype. It is a key mechanism of evolution, the change in heritable traits of a population over time. The term "natural selection" was popularised by Charles Darwin who compared it with artificial selection, now more commonly referred to as selective breeding.I hope that helps you u.</span>
alukav5142 [94]3 years ago
4 0
<span>Evolution and natural selection is continually applied to all animals. We are constantly evolving its just we don't see it now because change takes millions of year, evolutionary change that is. People who study our generation will be the ones who note the evolutionary changes, its hard to see them now because the change is so minuscule compared to other things...   hope that helped</span>
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A car traveling at 60 mph has how much more energy than a car going at 20 mph? K.E. increases by a factor of there is no increas
inn [45]

Answer:

Assuming that the masses of the cars are the same

9 times

Explanation:

Kinetic energy can be computed using the formula:

KE = \dfrac{mv^{2}}{2}

Where:

KE = Kinetic energy

m = mass

v = velocity

As you can see in your problem, the velocity of the the first car mentioned is 3 times faster.

Looking at the the formula, velocity is raised to two (2). So if we put it in terms of equations this is how it will look:

Let v = velocity of the slower car

Car 1: velocity = (3v)

KE=\dfrac{mv^{2}}{2}

KE=\dfrac{(m)(3v)^{2}}{2}

KE=\dfrac{(m)9v^{2}}{2}

The increase is by a factor of 9.

6 0
3 years ago
In bacterial cell division, the cell divides into two nearly equal halves. This process is referred to as:
Step2247 [10]

In bacterial cell division, the cell divides into two nearly equal halves. This process is referred to as mitosis.

To answer the question, we need to know what cell division is

<h3>What is cell division?</h3>

This is the process in which parent cells divide into two or more daughter cells.

There are two types of cell division namely

  • Mitosis and
  • Meiosis
<h3 /><h3>Mitosis</h3>

Mitosis is the process in which non-reproductive (somatic) parent cells divide into two daughter cells that have the same number of chromosomes as the parent cell.

<h3>Meiosis</h3>

Meiosis is the process in which reproductive parent cells divide into four daughter cells with half the chromosoes of the parent cells.

From this, we see that cell division in which the cell divides into two nearly equal halves is refered to as mitosis.

So, in bacterial cell division, the cell divides into two nearly equal halves. This process is referred to as mitosis.

Learn more about cell division here:

brainly.com/question/14439902

5 0
2 years ago
When looking at graphs showing 800,000 years of past climate data, there is a direct relationship over time between temperature
Inessa05 [86]

When looking at graphs showing 800,000 years of past climate data, there is a direct relationship over time between temperature and the concentration of carbon dioxide in the Earth's atmosphere is a <u>true</u> statement.

Explanation:

Many paleoclimate studies and research done by observing events like glacial cycles etc over the past 800,000 years about climate changes over the past years have proved the strong linear relationship between temperature and carbon dioxide concentration in the Earth’s atmosphere.

These studies clearly reiterate that when the carbon dioxide concentration in the atmosphere increases, the temperature also increases; and when the CO2 concentration decreases, the temperature also decreases. Carbon dioxide also controls the amount of greenhouse gases in the atmosphere by controlling the temperature.

Increased CO2 levels increases temperature which in turn will increase the evaporation of greenhouses gases present in the atmosphere including CO2 from the reservoir; however, the CO2 can stay in the atmosphere for very long time. All of these factors have led to various climate changes globally .

5 0
3 years ago
What are the phases of mitosis? A. Prophase B. Interphase C. Cytokinesis D. Telophase (Multiply Choice)
andriy [413]
I think the correct answer is letter D
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3 years ago
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PLEASE HELP!! 50 POINTS!!
Natalka [10]

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Spotted Salamander - Ambystoma maculatum. Ironically, the spotted salamander is not a new species for researchers, and it has long been known that the animal's embryos share a symbiotic relationship with photosynthetic algae. The color usually indicates the presence of chlorophyll, which is the light-absorbing green pigment that makes photosynthesis possible.

4. ...

5. The Spotted Salamander is born with the ability to use photosynthesis, while the Sea slug develops it over time.

6. As larvae, spotted salamanders eat insects, small crustaceans, and other aquatic invertebrates. Adults have a sticky tongue to catch earthworms, snails, spiders, centipedes, and other invertebrates they find on the forest floor, while Sea Slugs eat plankton, algae, and jellyfish that are all prey of these animals. Some of these animals are herbivores eating algae and other plant life off rocks.

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3 years ago
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