A kind of fossil where an animal or plant leave only its body impression in the mud

Which of the following represents a coiled wiry structure that a grapevine stem modifies into? tendril spine rhizome NextReset

Topographic maps are used to:

What does penumbra mean

The stage during which a prenatal child can open and close its eyes and can cry is the

A group of field biologists goes out to mark beetles living in an area around a local pond in order to estimate population size. They capture 500 beetles on the first day.

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

What type of blood vessels join arteries to veins