Biosphere and Ecosystem

What is the term for each step in the transfer of energy and matter within a food web?

An animal that hunts other animals for food is a

Green plants are

Primary succession can begin after

An organism that cannot make its own food is called a (an)

Cool air over the poles will

The series of predictable changes that occur in a community over time is called

The average year-after-year conditions of temperature and precipitation in a region is called

All the interconnected feeding relationships in an ecosystem make up a food

The combined portions of Earth in which all living things exist is called the

What is the original source of almost all the energy in most ecosystems?

A bird that stalks, kills and then eats an insect would be classified as what two terms?

The tendency for warm air to rise and cool air to sink results in

A group of the same type or species of living things

All of the members of a particular species that live in one area are called a(an)

Which biome is characterized by very low temperatures, little precipitation and permafrost?

An interaction in which one organism captures and feeds on another organism is called

The algae at the beginning of a food chain are

Temperatures on Earth remain within a suitable range for life because of the

Symbiosis in which both species benefit is called

An organism that uses energy to produce its own food supply is called a(an)

A specific place in which a plant or animal lives is called:

Each of the following is an abiotic factor in the environment except

The role (or job) that each living thing plays in its environment is called:

A group of communities and its non-living environment (air, water, rocks, sunlight, soil)