Why don't most parasites kill their host?

The main difference between a rainforest and a desert is the

Which best describes the advantage of pest resistance?

use at least two examples to explain how technology has greatly incressed food production in the world

The foxglove plant seen in the illustration, produces very toxic chemicals that can cause serious illness and death in any organism that eats the plant. why do scientists think the foxglove plant evolved such powerful poisons?

One difference between carbohydrates and lipids is that

Personal alliances in the work place can be damaged by what

Carbon dioxide is stored in the bicarbonate ion with the reaction occurring both in the red blood cell and in the blood. the reaction occurs in the blood however without:

Why is injury to large areas of the skin dangerous?

Which of the following correctly describes seafloor spreading? A. New oceanic crust is formed at midocean ridges, pushed away from the ridge, and destroyed at deep-sea trenches. B.

How to arrange from smallest to biggest organ, organism, gene, nucleus, cells, tissue, chromosome, system?