Why do scientist prefer to use food webs over food chains

1 answer:

6 0

Food Webs show how plants and animals are connected in many ways to help them all survive. Food Chains just follow just one path of energy as animals find food.
So the answer is: Scientists prefer the usage of food webs over food chains due to the fact that food webs are more elaborate and more detailed than the food chain.

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A geneticist is studying two traits in the fruit fly - eye color and wing shape. They perform a dihybrid cross. If the genes for

Len [333]

Answer:

3/16

Explanation:

According to Mendel's law of independent assortment of genes, when a dihybrid cross involves two genes that assort independently and one of the parents is dominant for the two genes and the other is recessive, the phenotypic ratio of the offspring at F2 would be 9:3:3:1. The proportion of the offspring with the dominant parental traits would be 9/16, those with the recessive parental traits would be 1/16, while those with mixed traits would be 3/16 each.

Assuming the eye color is represented by E and the wing shape is represented by W. At F2

EeWw x EeWw

E_W_ - 9/16 (dominant for both eye color and wing shape)

E_ww - 3/16 (dominant for eye color and recessive for wing shape)

eeW_ - 3/16 (recessive for eye color and dominant for wing shape)

eeww - 1/16 (recessive for both eye color and wing shape)

Hence, the proportion of the offspring with dominant phenotype for eye color and recessive phenotype for wing shape would be 3/16.

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3 years ago

Land environments are different than water environments true false

34kurt

Answer:

true

Explanation:

because land environment is different from water environment .

Hope it help you

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3 years ago

Example of homeotosis

olga55 [171]

Humans internal body temperature is a great example of homeotosis.

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Nadya [2.5K]

Answer:

The gravitational attraction between the sun and Earth

Explanation:

because of the gravity.

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Select all that apply.

yarga [219]

I temperature will continually rise until it melts assuming you do not stop applying heat to the ice. It doesn’t really matter at what temp below freezing you start as long as you go above freezing the ice will melt.

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