Mosses need to grow in damp areas because they lack which of these structures? A. flowers B. vascular tissue C. fibrous roots D. leaves

Which of the following is not true of lymph nodes

Which of the following is characteristic of plant cells, but not animal cells? a. vacuoles c. nucleus b. mitochondria d. cell walls

Can someone tell me what are the organisms of archaea?

Suppose a gene mutation does not affect the protein that the gene codes for. What effect will the mutation have on the individual? Explain your reasoning.

When a virus invades the body, some B cells recognize it as nonself and produce plasma cells that release a substance to kill the virus. What is this substance called?

How many crabs are in hawaii

In what situation would you want to make a gel with a higher percentage of agarose?

What did Darwin and Lamarck have in common?

What two factors show us how bright the store looks from earth

What is another term for survival of the fittest? A. Natural selection B. Adaptation c. Genetic mutation D. Variation