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OverLord2011 [107]
3 years ago
9

1."Evolution is natural selection and natural selection is evolution". Is it a true or false statement. Give an explanation for

your answer. _____
2. Would you expect human DNA to be more closely related to tiger or jellyfish? Explain. _____

3. What is the raw material for evolution? _______

4. What is the smallest unit here where evolution can be observed? a. community, b.population, c, individual d. cell. ______

5.Individuals with variations that make them best suited to their environment are, on average, more likely to ________.
A. evolve, B. change over time, C. survive and reproduce, D. become larger
Biology
1 answer:
schepotkina [342]3 years ago
6 0
1. true. natural selection keeps the more suited traits which makes them more adapted to environment (evolving over time).
2. you would expect human DNA to be close to a tiger because they are both mammals.
3. mutations are the raw material for evolution.
4. a cell
5. survive and reproduce
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Hydrangea plants produce flowers that can be either blue or pink in color. The flowers will be blue if they are grown in acidic
Tamiku [17]

Answer:

The correct answer would be - Hydrangea plants depend on the concentration of some element which is affected by the acidic or basic nature of the soil.

Explanation:

Hydrangeas plants produce two different type of flowers blue and pink. The color of the plant depends on the pH of the soil or the acidic or basic nature of the soil. If the pH of the soil is acidic which means 5.5 or less the color of the flower would be blue and if it is near or above the 6.5 flowers would be pink.

So, it is clear that the concentration of any element that affected by the pH of the soil is responsible for the color of the flowers, in this case, it is found that the concentration of aluminum ions (Al+++) in the soil. When the soil is alkaline less concentration aluminum available for the plant and more available to the plant when the soil is acidic.

4 0
3 years ago
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What part of science do you think young women in the picture is involved in ?
Artyom0805 [142]

What picture? There isn't anything attached.

7 0
3 years ago
A species of fly has two alleles for the length of their legs. The allele for long
oksian1 [2.3K]

Answer:

0.65

Explanation:

Remember to note the Hardy Weinberg equation of population in equilibrium;

p² + 2pq + q² = 1

q² = 12/100 = 0.12

q = 0.35

Then using the equation that; p + q = 1

p = 1 – q = 1 – 0.35 = 0.65

3 0
4 years ago
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Facilitated diffusion helps move large molecules and/or polar molecules across the cell membrane. What does facilitated diffusio
Lunna [17]

<u>Answer:</u>

Facilitated diffusion is a process in which movement of the particles is facilitated in and out of the cell membrane by using two ways:

Channel protein

Carrier protein

<u>Explanation:</u>

Protein channels transport only water and certain ions by forming particular pores or passageways across the cell membrane. These channels are very selective and only open their gates when they receive a particular signal.

Proteins carriers which are called uniporters transport amino acids and sugar from higher concentration to lower concentration.


4 0
3 years ago
I need help with all of this!!!!!!!!!!!!!!!!
Nimfa-mama [501]
On number two of the second file, mass is how many atoms there are, while weight is how much he gravitational body the object is on (if any) pulls the object (which is why we weigh nothing in space).

For the first question of the second image, A's answer would be 1,800 g/300cm^3, or 600g/cm^3.

For B, .250g/cm^3 * 200cm^3 is 50g.



For the table: Density is how compact the matter of an object is in a certain amount of space. An example would be that water has a density of 1g/cm^3

Mass is how much matter there IS, for example, a car has more mass than an orange.

Volume is the quantity of 3d space an object has or how "big" it is. For example, a cubed building is the length of one side to the third power

Weight is how much gravity is pulling on an object, and not related to how much stuff an object has other than that, for example, you might weigh 100 kilograms on Earth but none is space, and your matter hasn't changed.

I hope you enjoyed your answer.
4 0
3 years ago
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