Which of the numbers in this tree represents the most recent common ancestor of amphibians and lizards? a. 1 b. 2 c. 4 d. 3

Which disease is least likely to be attributed to poor sanitation, water, and hygiene?

Type of sponge that mimic synthetic sponge

How are water and nutrients transported through bryophytes?

How does the extinction that occurred at the end of the Mesozoic era relate to the age of mammals?

Which of the following results would be more likely if a cell's membrane was no longer selectively permeable? A. Harmful substances can enter the cell and cause mutations in the cell's DNA. B.

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.