A scientific law can become a scientific theory. True or false

Why are decomposers important? They break down dead and decaying organic material. They return nutrients and elements to a usable form in the environment. They consume the most energy of all the trophic levels. Both A & B are correct.

What is hemoglobin in the blood?

The creature in the photograph is a protist, which is composed of only one cell. This means that a protist A) cannot reproduce. B) is a living organism. Eliminate C) cannot survive in water. D) gets energy directly from sunlight.

What are the major causes of anaemia

1. Write a small paragraph explaining how yeast are made in the industry to make bread and alcohol. 2. Describe in your own words how yeast respire. Include the word equation for yeast respiration.

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