Unlike bryophytes, ferns

A. have vascular tissue.

B. exhibit alternation of generations.

C. utilize photosynthesis.

D. have to get water from the environment.

Which of the following is a biological catalyst? a). RNA b). Enzymes c). Antibody d). Steroid

Briefly explain the mode of nutrition

Which chamber of the heart exits into the pulmonary trunk?

Besides being very painful, a blockage in a ureter due to kidney stones or external pressure is serious because it leads to an increase in capsular hydrostatic pressure. what is the consequence of this increase in pressure?

What are the standard units used to report stress and strain in the english system? in the metric or si system?

What would the temperature of the surface be if the Earth did not have an atmosphere?

How would the lack of water affect cellular respiration?

Different types of normal tissues in the human body have different mitotic indices. From the following list, which normal tissues would you expect to have the highest mitotic index: muscle, skin, kidney, or lung? Explain your answer.

A group of scientists decided to post their research results on the Internet instead of publishing in a scientific journal. What part of the scientific process have they skipped and why does it matter?

How does the structure of DNA allow it to complete the process of replication?