What is the main source of carbon in an ecosystem?

Why is only a small amount of energy stored in foods available to the next organism in a food chain?

What is the Golgi in the animal cell

What is the genotype of exconjugants in experiment 2?

Skin color in a certain species of fish is inherited via a single gene with four different alleles. One fish of this type has alleles 1 and 3 (S1S and its mate has alleles 2 and 4 (S2S4).

Jill has a beaker. In this beaker there are two layers. The top layer is transparent with a yellow tint to it, and the bottom layer is transparent and clear. Jill decides that the bottom layer is probably water.

It is important for a plant to make a hormone that keeps its seeds dormant. what do you think is the reason?

Explain how traits can be affected by inheritance and the environment?

Do any of the proteins in your plasma come from food proteins

After 5 divisions, how many cells are there?

A student monitored tides using a webcam. She noticed that the tide reached different parts of the shore at different times of day. Which factors can explain the student's observations?