Why is it difficult to breathe at high altitudes?

It contains a phosphate group for every nucleotide. A. DNA B. RNA C. both DNA and RNA D. neither DNA nor RNA

Do you think that the nerve cell is actively conducting signals when Localize depolarization happen

Where are the olfactory receptors located and why is that site poorly suited?

How do bats navigate to find prey

What would an ecosystem with no interactions be like?

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.