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8090 [49]
2 years ago
10

Why did the removal of wolves affect the entire Yellowstone ecosystem?

Biology
2 answers:
Ivenika [448]2 years ago
8 0

Answer:

Def a

Explanation:

strojnjashka [21]2 years ago
4 0

Answer:

A

Explanation:

Since Wolves were one of the main predators (not the ONLY one) prey started to over populate causing the vegetation population to decrease. Since the vegetation decreases so does the number of prey then as well as the number of predators.

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The sickle cell version of the gene that causes sickle cell disease is recessive. Suppose that two parents with no symptoms have
yKpoI14uk [10]

Answer:

The genes that the child inherited from the parents is the SS gene

Explanation:

The genetic composition of the haemoglobin genotype is given by two gene variants; A which is dominant and S which is recessive. As such, an individual can be AA, AS or SS. Individuals that are AA and AS do not show traits of the disease, but SS individuals have sickle cell anaemia.

From this example, since both parents have no symptoms and their child have sickle cell, their genotypes most likely were AS and AS. Let me show you how:

           A              S

A        AA            AS

S       AS              SS

From the cross above, there is a 1 in 4 chance that if both parents were AS, their child will be SS. Any other composition from the parents will not produce an SS offspring. Hence the genes that the child inherited from the parents is the SS gene.

6 0
3 years ago
Cell division in prokaryotes Is called ___________.
Hatshy [7]
Binary fission I think
5 0
2 years ago
What happend to addie in 2014
Alecsey [184]

Answer:

dies of a undignosed disease at age 7

Explanation:

A terminally ill 7-year-old girl — who two years ago received Christmas cards from well-wishers around the world — died Friday at her Sanpete County home of an undiagnosed disease that had caused her to stop growing at age 3.

7 0
3 years ago
Experiments with isotopes used as tracers showed that some fungi _____. A. help plants get nutrients in exchange for sugar B. ta
Dvinal [7]

The answer I would choose is D. Help plants by providing them with sugar

You can tell me if i'm wrong.

6 0
3 years ago
What is the main difference between heterotrophs
aleksley [76]

Answer:

Heterotroph. Autotrophs are organisms that can produce their own food from the substances available in their surroundings using light (photosynthesis) or chemical energy (chemosynthesis). Heterotrophs cannot synthesize their own food and rely on other organisms — both plants and animals — for nutrition.

Explanation:

Heterotroph. Autotrophs are organisms that can produce their own food from the substances available in their surroundings using light (photosynthesis) or chemical energy (chemosynthesis). Heterotrophs cannot synthesize their own food and rely on other organisms — both plants and animals — for nutrition.

8 0
2 years ago
Read 2 more answers
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