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alexdok [17]
3 years ago
12

How does natural selection provide a mechanism for evolution to occur?​

Biology
1 answer:
Troyanec [42]3 years ago
4 0

Answer:

Explanation: If resources are limited in nature than only the organisms that adapt to their surroundings will survive- Darwin's studies proved these theories.

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Researchers placed males and females of two fish species together in aquarium tanks. One tank had natural light and the other ha
Cloud [144]

Answer: The phenotypic variation was more in play during the tests because of the presence of environmental factor (monochromatic light). The genotypic variation was a result which is evident in the viable and fertile hybrids

Explanation: Phenotypes are traits of living things which are visible to us. Examples of such traits are behaviours, colour, shape, size, e.t.c. Genotypes is the genetic blueprint of a living thing. It is the genetic code that forms the physical traits in an organism (phenotype). For example, the code that tells a lady to have red hair is the genotype while the resulting red hair in the lady is the phenotype.

Phenotypic variations simply put are different physical variables in phenotypes that exists in a given population. For example, we have people with different body weights, heights, eyecolour, hair and shape of head. Genotypic variation is the difference in genotypes between different species or individuals of the same species.

There are two known causes of phenotypic variations and they are genes or environmental factor. In the given data, the monochromatic (made of one colour) light induced phenotypic variations in the male species and led to indiscriminate mating which resulted in viable and fertile hybrids (genotypic variation).

8 0
3 years ago
Sharks and other predators do not normally eat plants however they do receive some energy from plants how is this possible
Leya [2.2K]
Animals get their energy by eating food.
Some animals eat plants. These are called herbivores.
They can also be known as primary consumers.
Carp is a herbivorous fish.


Nutrition – being able to get energy out of food ... Plants get their energy from the sun. ... Some animals eat both plants ... Predators. Predators eat other animals. Sharks eat fish so they are.

4 0
3 years ago
Which increases the rate of soil formation?
Ludmilka [50]
In my opinion mixed layers would be the best choice
5 0
3 years ago
Read 2 more answers
Write the role of HCL in digestion
irga5000 [103]

Answer:

Hydrochloric acid contributes to protein digestion by supplying H+ which activates pepsinogen, the precursor to pepsin. Pepsinogen is secreted by chief cells in the gastric glands of the body and antrum of the stomach.

Explanation:

˙˚ʚ(´◡`)ɞ˚˙

8 0
2 years ago
Read 2 more answers
Which of these is a likely result of a beneficial or helpful mutation?
Neporo4naja [7]

Answer:

The answer would be C. An organism is able to better withstand a toxin!

Explanation:

This is most likely because if it is a beneficial mutation, it has an effect that allows the organism to better survive and thrive, and being able to withstand a toxin can definitely support survival and reproduction.

I really hope this helped you! Have a nice day! :)

5 0
2 years ago
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