Question 9 (multiple choice)

Which of the following has NOT been shown to reduce fertility rates?

A. birth control medications

B. improving the status of women

C. education

D. better nutrition

Which of the following statements is true? The equator is warmer than the poles because the sun's energy is spread over a larger area. The top layer of rock in a sedimentary bed is older than the bottom layer.

Select all the correct answers. On an island, finches that fed on large, hard seeds had large beaks. Finches with small beaks fed on small, soft seeds. A drought changed the vegetation on the island. After this period, the number of seeds declined.

Why is it difficult to diagnose genetic conditions?

What would happen if you applied salt water to a plant

Explain how both passive transport and active transport are necessary for photosynthesis to occur.

Which statement best describes the relationship between activation energy and rate of reaction? O Increasing the activation energy can increase the rate of a reaction. O Reducing the activation energy can increase the rate of a reaction.

Definition: this is a haploid cell with half the reproductive information from the parent.

Does a cell use energy when molecules diffuse in or out of the cell? Why?

Below is a list of possible challenges. Check all errors that you mentioned in your answer. Traits other than beak type might affect natural selection. It could take many generations to observe adaptions to a population.

A farmer dug a well but did not find any water Which reasons most likely explain why the farmer did not find water? Check all that apply.