Where do kreb's (step 2) and the etc (step 3) occur?

Studying the anatomy of different organisms allows scientists to determine how different species have evolved over time. An eagle. A butterfly.

Why is it advantageous for scientist to test only one variable at a time during an experiment?

What is the term for brief episodes of neurologic deficit caused by temporary interference with blood supply to the brain?

Which is the correct order of stages of prenatal development? zygote embryo fetus?

What is the role of the liver A. it produces urine B. it makes nephrons C. it makes all four digestive enzymes D. it produces bile

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.