What is the major environmental factor limiting the numbers of autotrophs at great depths in the ocean

When are some of the important combinations active?

Which type of animal is most flexible? a. one that is extremely competitive b. one that is a strict niche specialist c. one with a wide fundamental niche d. one with a wide realized niche

How do products of photosynthesis reach the other parts of the plant body? Xylem transport Phloem transport Transpiration

Acid rain is the direct result of acid released by burning fossil fuels.

How can humans protect the beach from erosion

Which of these characteristics is common only at the embryonic stage of fish and humans, and is suggestive of a common ancestor between the two? A) presence of lungs B) presence of a tail C) presence of gill slits D) presence of a vertebral column

The purpose of oxygen in the body is to serve as the

How do somatic and inherited mutations differ? A. Somatic mutations exist in all cells in the body and inherited mutations only exist in the cell type that mutated. B. Somatic mutations only affect males and inherited mutations affect any gender. C.

What are the two major organ systems in plants

Mitosis occurs where in the body? Where does meiosis occur?