Ecosystem and Community Dynamics Flashcard

Front

A symbiotic relationship where 2 or more organisms benefit is called-

Back

mutualism

Front

Fungi is an example of a(n)-

Back

decomposer

Front

What is the primary energy source for all living things on the surface of Earth?

Back

the sun

Front

Energy pyramids are broader at the base and narrow at the apex, as energy-

Back

decreases along the food chain

Front

What are organisms that eat both plants and animals called?

Back

omnivore

Front

What do arrows on a food web represent?

Back

the flow of energy through the food web

Front

Living or dead (once living) organisms

Back

biotic factors

Front

Air, water, rocks-

Back

abiotic factors

Front

If a leaf from a tree contains 30 calories of energy and the leaf is totally consumed by a grasshopper, which is then consumed by a songbird, about how much energy from the leaf is available to the songbird?

Back

.3

Front

What can we call an organism that feeds on producers?

Back

primary consumers