Semester 1 Eco Review

Front

What percentage of energy is lost as heat or used by organisms for survival in an energy pyramid?

Back

90%

Front

What term describes multiple organisms of the same species?

Back

Population

Front

During photosynthesis, what happens to the atoms in water and carbon dioxide?

Back

They rearrange to form oxygen and glucose.

Front

What do we call organisms that do not make their own food?

Back

Consumer

Front

What do overlapping food chains in an ecosystem make up?

Back

Food web

Front

What is the primary source of energy for most ecosystems?

Back

The Sun

Front

What is the process by which plants convert sunlight into chemical energy?

Back

Photosynthesis

Front

What term describes a group of different species living in the same area?

Back

Community

Front

What is the role of producers in an ecosystem?

Back

They create energy through photosynthesis.

Front

What is a food chain?

Back

A linear sequence of organisms through which nutrients and energy pass.