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Deffense [45]
3 years ago
14

How might a dramatic decrease in vegeta-tion lead to a decrease in a prey species? (Hint: Think of how the vegetation, prey, and

predator could be connected in a food chain.)
Biology
1 answer:
Vlad [161]3 years ago
8 0
If vegatation were to decrease then primary consumers that are herbivores which are usually the prey will start to decrease too, because there food source is becoming limited. It's like a domino effect, if something is unbalanced in the ecosystem then the whole ecosystem could collapse.
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Hybrid = having one recessive and one dominant allele
This means that all of the flowers must have the genotype Bb.
Knowing this, let's make a Punnet Square.

\begin{tabular}{ l c } & B \ \ \ \ b\\ B & \boxed{BB}\boxed{Bb} \\ b & \boxed{Bb\ }\boxed{\ bb} \\ \end{tabular}

As you can see, 3 of these are going to have the dominant trait and 1 is going to have the recessive trait. This corresponds to our 3:1 in our question, meaning that the black seeds must be dominant and the brown ones recessive.

Because they are dominant, the genotype for black seeds could be BB <em /><em>or</em> Bb.
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