The first vertebrates on land were A. reptiles. B. fishes. C. amphibians. D. arthropods.

What travel though a food chain or web

How can large amounts of food be heated or chilled quickly?

The cellular process which uses oxygen and suger to produce energy is called

What are the 4 main parts of the cardiovascular system?

In most plant-pollinator interactions, plants species are pollinated by

Plant cells have distinct differences from animal cells, such as cell walls, large vacuoles, and chloroplasts. how are these differences useful for a plant?

Skin cancer is to exposure to uv radiation as

A specific characteristic that varies from one individual to another

Two different trees have been classified as Pinus pinea and Pinus nigra. Which of the following statements is correct? A. Both trees belong to the same class but a different genus. B. Both trees belong to the same family and same genus. C.

What would happen to the supply of ATP in your cells if you ate too few carbohydrates