What role does skin play in the excretory system

Identify outcomes of chemical weathering. choose one or more: a. clay minerals b. more rounded fragments c. chemically altered minerals d. smaller fragments

Which kingdom do yeast belong to?

What do food webs and food chains have in common?

What happens if cells have more salt molecules than water molecules? A. They grow larger. B. They die. C. They stay the same size. D. They create more water molecules.

7) When an experiment is repeated and the new results are different from the original results, what could you assume to be true? A) The results from both experiments are worthless.

What can be inferred from the phylogenetic tree shown? A) Flagellates and Animals are more closely related than Fungi and Animals. B) Ciliates and Diplomads are more closely related than Plants and Ciliates.

The food web in a diverse ecosystem is

How many ATP equivalents are made from convention of succinyl-CoA to oxaloacetate? Assume that re-oxidation of NADH via the electron transport chain yields the equivalent of 3 ATP, and that re-oxidation of FADH2 yields 2 ATP.

A situation where friction is desirable.

You discover an organism that has scaly skin and is aquatic but returns to the land to reproduce. what else would you expect to find in this organism?