An animal that obtains nutrients from eating other animals.

populations of different species of organisms living together in the same geographic area.

the process by which water is changed from a gas (water vapor) to a liquid; a stage of the water cycle

all living and non-living things that interact with each other in an environment

A species whose population is so small that it is in danger of extinction

the process by which water is changed from a liquid to a gas (water vapor); a stage in the water cycle

a species that no longer exists

a property of a mineral that describes how easily it can be scratched

an animal that obtains nutrients only from plants

a trait or characteristic that is passed from parent to offspring.

an animal that lacks a backbone

amount of matter a substance or object has

anything that takes up space and has mass

a substance that an organism needs to survive and grow

all members of the same species living together at the same time in the same area

a form of water (hail, rain, sleet, snow) that condenses in the atmosphere and falls to Earth's atmosphere

to force away or apart

A stage in the life cycle of an insect that occurs between larva and adult

an organism that kills and eats other organisms

an organism that is killed and eaten by another organism

a group of the same kind of organisms that can mate and produce offspring that can reproduce.

a physical property of a solid used to describe its surface.

an animal that has a backbone

the continuous movement of water through the environment by evaporation, condensation, precipitation and runoff

the gas state of water

the condition of the atmosphere at a given time and place