Whay are fosil important to evolution

Jon likes hiking. He observes that whenever he hikes up a hill, he breathes heavier than when he is on flat ground. Which two statements explain why this happens? Sensors in the brain detect a lack of oxygen.

What are the short-term effects on the land? (Flooding, coastal dune erosion, etc.)

Which type of spinal nerve occurs at the bottom of the spinal column?

Most animals are producers, meaning they are able to create their own food from inorganic sources.

Why would it be important to find out/who the virus came from?

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.