Which body structure do earthworms use for gas exchange?

A. setae

B. gills

C. skin

D. lungs

The hypothesis that all species are descended from common ancestors was proposed by

Why is the primary structure fundamental to protein function?

Which is a benefit to using transplants instead of seeds to start your Phoenix vegetable garden?

Free nucleotides must be available in a cells nucleus to produce mrna strands. where do these free nucleotides come from

Can plants exist without plants?

Which phase of the cell cycle is characterized by a non-dividing cell

Step 6: Measure the Heights of the Plants at the End of Week 3 Use a calculator to compute the average heights of the plants in each group to the nearest centimeter. Week 3 Average Heights Control Group: cm Exper. Group: cm

The nurse is communicating with a client who begins to cry. the nurse places her hand on the client's arm and sits quietly at the client's beside. what mode of communication is the nurse using to offer caring and comfort for the client?

Scientists have a theory about the relationship between climate and biodiversity. Which best describes this theory? Warmer climates promote higher biodiversity, allowing plants to grow year-round. This supports more organisms that rely on plants.

You have just heard about a situation in which someone who was drunk vandalized a building and assaulted a security guard.