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wariber [46]
3 years ago
15

I just need help with these 2 questions

Biology
2 answers:
GalinKa [24]3 years ago
8 0

Answer:

The answer to the second one is true

Explanation:

Because the faster molecules move around the more heat that generates

Sloan [31]3 years ago
8 0

Answer:

1.) temperature

2.) heat

3.) Thermal energy

4.) True

Explanation:

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A biologist has been studying two populations of trout in Montana for the last 25 years, when the two populations were establish
ludmilkaskok [199]

Answer:

Positive natural selection.

Explanation:

The positive natural selection is a type of natural selection that increases the frequency of an allele or trait when it is advantageous for the population. What happened in the example is that the mouth with the slight change in  morphology (trait)  was more advantageous for the population in the south in relation to the  ancestral morphology  (still preserved in the population in the north), and therefore its frequency increased. This, in turn, is due to the fact that the food (prey) is not the same in the two habitats (north and south).  The specific prey in the south,  caused the new morphology to be selected, (increasing the frequency of individuals with the new mouth),  becasue probably that trait allows the trouts in the south to hunt more effectively.

8 0
3 years ago
The trait that overpowers and always shows up when the allele is present. A.Hybird traits B.Dominant traits C.Recessive traits
jekas [21]

Answer:

B. Dominant traits

Explanation:

Dominant traits are as what the name implies, dominant over other traits. If something overpowers the other trait then it is a dominant trait.

7 0
2 years ago
On Florida's beaches, what plant plays a vital role in the development of sand dunes? sea grapes beach sunflower sea oats saw pa
andrew11 [14]
Answer - sea oats

Sea oats play a vital role in the development of sand dunes. The structure of their leaves and roots help in the trapping of the wind blown sand, promoting the growth of sand dunes and their stabilization. Sea oat plantation is encouraged in coastal areas to protect damage from heavy winds and high tide.
7 0
3 years ago
Which is part of the theory of evolution by natural selection all animals in a <br>population​
Anika [276]

Answer:

What are the 4 stages of natural selection?

The Process of Natural Selection

Variation. Organisms (within populations) exhibit individual variation in appearance and behavior. ...

Inheritance. Some traits are consistently passed on from parent to offspring. ...

High rate of population growth. ...

Differential survival and reproduction.

Explanation:

4 0
2 years ago
Which of the following is the best definition of an unsaturated fatty acid? 8 A. A basic unit of a lipid that consists of single
Furkat [3]
A. Because saturated fatty acids are the ones with no double bonds
6 0
2 years ago
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