You want to test charles darwin's prediction that an orchid with long pollen tubes has a pollinator with long, thin mouthparts that can reach the bottom of the elongated nectar tube. you place nets over some orchids, which allows pollinators with small, short mouthparts to enter but prevents the entry of pollinators with long, thin mouthparts. next, you compare the number of seeds produced by plants with and without the nets. in this experiment, seed production is a(n)

The correct answer will be-dependent variable.

Explanation:

The scientific experiments are performed to study the variables which are of two types: independent variables and dependent variables.

The independent variables are the variables which can be controlled and changed and the variable to be studied is known as the dependent variable.

In the given experiment to study the prediction of Charles Darwin the experimental groups were divided to study the number of seeds produced. Nets were used to prevent the pollination by long mouth tube pollinators and allowed short mouth tube pollinators.  

Since the number of seeds produced was studied will be known as the dependent variable and hence is the correct answer.

explanation:

the fossil record extends back to a dog-like ancestor some 55 million years ago, which gave rise to the first horse-like species 55 to 42 million years ago in the genus eohippus.

d.

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