Ecology

Front

The diagram below shows the cycling of nutrients in an ecosystem.
The removal of which group would cause an immediate decrease in the amount of energy flowing through the system? Options: Producers, Consumers, Decomposers, Inorganic nutrients

Back

Producers

Front

Green plants are: producers, consumers, herbivores, omnivores

Back

producers

Front

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

Back

sunlight

Front

An organism that produces its own food supply from inorganic compounds is called a(an)

Back

autotroph

Front

What is an ecological model of the relationships that form a network of complex interactions among organisms in a community from producers to decomposers? Options: food web, an ecosystem, food chain, a population

Back

food chain

Front

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

Back

trophic level

Front

Which symbiosis is this? Options: parasitism, mutualism, commensalism, nonalism

Back

parasitism

Front

Symbiotic relationship in which both organisms benefit

Back

Mutualism

Front

The energy at each trophic level in the pyramid of energy decreases by a factor of ____.

Back

10

Front

What does a food web represent?

Back

All connections of energy flow throughout all organisms in a habitat.