A term that refers to the amount of different species living in an ecosystem. A rainforest has a large _______ and an arctic biome has a little _______.

The part of the earth’s crust that supports life, approximately 14 miles thick, is called the _______.

Living parts of an ecosystem, such as bacteria, animals, plants, fungi or protists are called _______ factors.

An area that contains all the populations that interact together is called a _______.

An organism that must consume nutrients because it cannot make its own like a producer is called a _______.

An organism, usually bacteria, that breaks down dead organisms so that the nutrients can be recycled in the soil to be used by producers is called a _______.

Part of biology that studies the interaction of biotic and abiotic parts of an ecosystem is called _______.

The job or role of an organism in an ecosystem is called its _______. A bee’s _______ is to pollinate flowers.

An area where organisms interact with living and non-living parts of an organism is called an _______.

A diagram that shows how energy is lost; 90% is lost at each trophic level in the form of heat is called an _______.

A simple diagram that shows the direction of energy flow in an ecosystem; grass..rabbit..fox is called a _______.

A complex diagram that shows the energy flow in an ecosystem through many organisms is called a _______.

The area where an organism lives and sleeps is called its _______.

The organism that a parasite lives on; usually harming the organism but not killing it, is called the _______.

The number of organisms of one species that live in a particular ecosystem is called the _______.

An organism that can make its own food; aka an autotroph; usually green like most plants is called a _______.

A relationship where both organisms benefit, such as a bee and a flower, is called _______.

Relationships where one organism benefits and the other is unaffected; bird’s nest in a tree, is called _______.