Is evolution a random process?

Would there be more predators or prey in a particular community? Explain.

A toad is brought into a new ecosystem. It is stronger than the toads that already live there and reproduces quickly. Which is the best way to describe these toads in the new ecosystem?

What mechanisms do plants use to load sucrose produced by photosynthesis into specialized cells in the veins of leaves? A) an electrogenic pump B) a proton pump C) a contransport protein D) A and C only E) A, B, and C

How many cycles of PCR would it take to create 16 copies of a DNA molecule?

Water moves from roots to leaves of a tall tree primarily as a result of

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.