All organisms on earth require a source of energy to live. ATP is the fuel that powers all the activities of cells on earth. Which statement Best describes how ferns, people and flatworms obtain energy?

Which of the following is more likely to occur in a plant cell than in an animal cell

Which statement is correct concerning the relationship between chromosomes and genes, chromatin, or sister chromatids? Genes are the DNA - protein material that make up entire chromosomes.

Genes contain instructions for assembling Question 56 options: a. purines. b. nucleosomes. c. proteins. d. pyrimidines.

How do these two systems (circulatory and respiratory system) maintain homeostasis

Which step of a muscle contraction can be described as the shortest sarcomere? Step 1 step 2 step 3 step 4

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.