In the forest food web shown below, which of the following organisms could be considered primary consumers? A) Hawk, fungi, bacteria. B) Mouse, snake, bacteria. C) Snake, mouse, hawk. D) Insects, bird, mouse

All the major organs of the body are formed by the week 10 of gestation. which process makes it possible?

When does primary succession occur? A. After a glacier retreats leaving rock rubble behind B. After a forest fire burns down all the trees C. After a farmer abandons his farm D. When a pond gradually fills in with organic matter and becomes a forest

2. What is a carrier?

The human genome comprises about 3 x 109 base pairs of DNA, and no two humans, other than identical twins, ever have been or will be genetically identical. Between any two humans, the amount of genetic variation is about 0.1 percent.

Choose the following statement that is NOT completely correct regarding serous membranes. Visceral pericardium covers the outer surface of the heart, and parietal pericardium lines the internal walls of the heart.

A population of lizards that originally had no predators lived on a small isolated island. Predators of the lizards were accidently introduced to the island from a visiting ship.

If there are 50 kcal of energy in the tertiary consumer trophic level, how many kcal would you expect to find in the primary consumer level

The plasma membranes of some plant cells use transport proteins to move protons out of the cell against their concentration gradient (from areas of low proton concentration to areas of high proton concentration). this is an example of:

What is algae? and where is come from?

Are mushrooms biotic or abiotic