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trasher [3.6K]
3 years ago
5

How does darwin theory of evolution by natural selection explain how species change over time?

Biology
1 answer:
WINSTONCH [101]3 years ago
6 0

Answer:

some traits become more common, others less. ... The traits that become more common are the ones that are “adaptive” or “increase fitness” (that is, a creature's chances of living longer and producing more offspring).

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Claire had a heavy breakfast in the morning. Then she went to the gym to exercise after the gym Claire went to class. While exer
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5 0
3 years ago
Photosynthesis and respiration are alike in that
Natalija [7]
Both photosynthesis and respiration require specific catalyst.
Why not the other answer?
(1) only photosynthesis require the sun as a source of energy,respiration use glucose.
(2) photosynthesis result in the formation of glucose,respiration result in the formation of carbon dioxide.
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4 0
2 years ago
Read 2 more answers
16. What explanation can be used to describe the test tube shown?
elixir [45]

Answer:

Water is polar and oil is nonpolar so the substances won't mix.

Explanation:

Water is polar covalently bonded within the molecule. This unequal sharing of the electrons results in a slightly positive and a slightly negative side of the molecule. oils are nonpolar, so they will remain separate from molecules of a polar solvent such as water.

3 0
2 years ago
Some types of gene are more highly conserved than others since their pathways or phenomena are fundamental to the growth and pro
Dmitriy789 [7]

Answer: Sugar metabolism , DNA replication  and lipid synthesis.

Explanation:

The pathways or the phenomenon is very fundamental that takes place in all the living organisms.

These processes are fundamental to life and is vital for the growth and development of the organism. The cell proliferation and growth is also very essential in case of bacteria.

hence, these processes are highly conserved from one species to another species.

4 0
3 years ago
Red-green color blindness in humans is inherited as an X-linked recessive trait. Usually, heterozygous females are not colorblin
Maksim231197 [3]

Answer:

The mentioned characteristics of variability are witnessed because of the phenomenon known as X chromosome inactivation in heterozygous females. As females possess two X chromosomes, they actually should not possess any color blindness.  

The phenomenon of X-chromosome inactivation takes place in a random manner at the time of embryo development. During this only one X chromosome is inactivated. If the chromosome comprising the defective gene is inactivated, the individual will possess normal vision.  

If the chromosome comprising the usual gene gets inactivated than the individual will be color blind. In the given case of female, X inactivation took place in one eye. The inactivation of normal alleles has taken place and thus she possesses normal vision with one eye and is color blind in the other eye.  

6 0
2 years ago
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