Exam (elaborations)
FLVS MARINE SCIENCE MODULE 5
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FLVS MARINE SCIENCE MODULE 5...
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FLVS MARINE SCIENCE MODULE 5Wetlands - ANSWER is a land area that is saturated with water, either permanently
or seasonally. They preserve water quality by removing nitrogen, phosphorus and
pesticides from agricultural runoff.
Species abundance - ANSWER the number of individuals per species in an area. It
can be used to determine the health of an ecosystem.
Agricultural runoff - ANSWER water leaving farm fields because of rain, melted
snow, or irrigation. As runoff moves, it picks up and carries pollution, which it can
deposit into ponds, lakes, coastal waters, and underground sources of drinking
water.
Producers - ANSWER Organisms that can make their food through either
photosynthesis or chemosynthesis. Examples: all plants, algae
Consumers - ANSWER Organisms that cannot make their food so they must eat
other organisms. Examples: all animals
Decomposers - ANSWER Organisms that get their food from breaking down
decomposing organisms. Examples: all fungi and bacteria
Primary consumers - ANSWER herbivores - they eat plants (producers)
Secondary consumers - ANSWER carnivores - they eat animals (primary
consumers)
Tertiary or Top level Consumers - ANSWER eat secondary consumers,
Energy transfer - 10% rule - ANSWER when energy is passed in an ecosystem
from one trophic level to the next, only ten percent of the energy will be passed on.
A trophic level is the position of an organism in a food chain or energy pyramid.
Commensalism - ANSWER a relationship between two organisms where one
organism benefits and the other is not affected. (crabs and barnacles)
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