Tag Archive | "biomass"

Environmental Sciences – Two More Please,-)?


1) The feeding relationships among plants and animals and among various animals in a biotic community is called a:
A) biomass.
B) food web.
C) trophic level.
D) niche.
E) symbiosis
2) Which of the following is NOT a consumer?
A) an oak tree
B) a fish
C) a deer
D) a clam
E) an insect

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Ap Biology Help Please?!!?


I have finished every question but this one. Please help?!
Invasive species often reach a large biomass because
A.) they are better competitors than native species
B.) they are usually producers and not top predators
C.) they often lack natural predators or pathogens
D.) their superior ability to disperse enables them to spread new niches
E.) they are often protected by the humans who have introduced them

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