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max2010maxim [7]
3 years ago
7

Describe in detail the process of Natural Selection / Evolution.

Biology
1 answer:
saveliy_v [14]3 years ago
6 0

Natural Selection is the process by which the most adapted, or fittest, species survive and the least adapted, or unfit, species do not survive. An example of Natural Selection is if there are two species of birds that eat the same thing, but one of the species has a beak that makes it harder to eat the food, naturally the species that has the beak fit to eat that food will survive. The species that is not fit to eat that food will either adapt or will be unable to survive. Evolution is a species adapting to the enviornment over a period of time. There is microevolution and macroevolution.

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While viewing a water sample under a microscope, you observe a single cell. Which of the following observations could you use to
igomit [66]

Answer:

<u>E.  The cell's DNA is encapsulated in a nucleus.</u>

Explanation:

There are no membrane bound organelles present in a prokaryotic cell. Nucleus is a membrane bound organelle so it is absent in a Prokaryotic cell so it is an evidence that cell is Eukaryotic cell.

While other features mentioned in the question are common both in prokaryotic and eukaryotic cell.

7 0
3 years ago
Which scientist disproved the idea of spontaneous generation by formulating and testing the hypothesis that only flies can make
devlian [24]
The correct answer is C, Francesco Redi, who in 1668 demonstrated that life originates from life and there is not the spontaneous generation of life from non-living things like meat. It was the first real experiment which disproved the theory of spontaneous generation. 
3 0
3 years ago
Read 2 more answers
The orange gene (O) controls the production of a pigment (pheomelanin) that gives Bengal tigers their orange coat color. Felines
den301095 [7]

Answer:

0.5

Explanation:

Given, gene O results in production of pigment.

OO, Oo = Orange

oo = white

If Oo X oo :

    O       o

o  Oo    oo

o  Oo    oo

Half of the progeny will have Oo genotype so they will be heterozygous and will have orange fur. Other half will have oo genotype so they will be homozygous recessive and will have white fur. So the odds of having a white tiger cub is 0.5.

8 0
3 years ago
What is a possible consequence of increased ocean temperatures due to global warming? Mark all that apply.
dsp73

Answer:

Coral reef bleaching

Explanation:

<em>The correct answer would be coral bleaching.</em>

Coral bleaching is generally define as the change in color that results from the expulsion of green symbiotic algae from the tissues of the coral.

The expulsion of symbiotic algae from the tissue of coral is usually caused by a change in stressor factors of ocean water such as light, temperature, nutrient.

<u>When the temperature of ocean water increases as a result of global warming, the vibrant color of corals may be lost because the change in stress condition usually leads to the degradation of the algal pigments or outright expulsion of the symbiotic algae from the tissue of the corals. When this happens, it leaves the coral tissues completely white and they are said to have been bleached.</u>

8 0
3 years ago
(Animal Science) <br> ___ is a fungus that poisons poultry and can be fatal.
Vanyuwa [196]

Explanation:

Mycotoxicosis is the correct answer

3 0
3 years ago
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