a community of living and nonliving things

the home of a living thing (plant or animal)

something not alive and has never been alive

a group of things that interact or work together

to observe something closely to gain information

a scientist that studies interactions among the living things in the environment

any type of plant or animal that is in danger of disappearing forever

no more of a species is alive anywhere in the world - the species has died out

very tiny grains made by a plant that is carried to other plants of the same kind so that the plants can produce seeds

to give a plant the pollen from another plant of the same kind so that seeds will be produced