What does a food web diagram illustrate?

A.

all feeding relationships in an ecosystem

B.

the cycle of carbon through an ecosystem

C.

a single pathway of feeding in an ecosystem

D.

the cycle of water through an ecosystem

Why might the type of rock in the hanging wall of the Lewis thrust be different from the type of rock in the footwall?

Think about the process of DNA replication, the enzymes involved in the process, and the results of the process. Select the statements that accurately describe DNA replication.

Actually the answer is the flow of blood to the skin.

A scientist is observing a worm that was found inside a host. The worm that's an outer body that is smooth and soft. Which worm is the scientist least likely to be observing. An earthworm, a pinworm, a hookworm or a tapeworm

Martha has determined, through scientific investigation, that pigs prefer warm mud over cold mud. Martha watched her pet pig, Porky, and Porky chose the warm mud every time. Has Martha reached a valid conclusion?

Which statement best describes the relationship between activation energy and rate of reaction? O Increasing the activation energy can increase the rate of a reaction. O Reducing the activation energy can increase the rate of a reaction.

Definition: this is a haploid cell with half the reproductive information from the parent.

Does a cell use energy when molecules diffuse in or out of the cell? Why?

Below is a list of possible challenges. Check all errors that you mentioned in your answer. Traits other than beak type might affect natural selection. It could take many generations to observe adaptions to a population.

A farmer dug a well but did not find any water Which reasons most likely explain why the farmer did not find water? Check all that apply.