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Module #10 Test

Biology

QuestionAnswer
Define Ecology the study of the interactions between living and non-living things.
Define Population a group of interbreeding organisms coexisting together
Define Community a group of populations living and interacting in the same area
Define Ecosystem an association of living organisms and their physical environment
Define Biome a group of ecosystems classified by climate and plant life
Define Primary Consumers an organism that eats producers
Define Secondary Consumers an organism that eats primary consumers
Define Tertiary Consumers an organism that eats secondary consumers
Define Ecological Pyramid a diagram that shows the biomass of organisms at each trophic level
Define Biomass a measure of the total dry mass of organisms within a particular region
Define Transpiration evaporation of water from the leaves of a plant
Define Watershed an ecosystem where all water runoff drains into a single body of water
Define Greenhouse Effect the process by which certain gases trap heat that would otherwise escape the earth and radiate into space
When fruits and vegetables are important into the U.S. from a foreign country, they are always very closely inspected for insects, even though the majority of the insects are not really harmful. Why is the inspection done? because it can ruin the balance of the ecosystem
Which two trophic levels have the greatest disparity in biomass? primary consumers and secondary consumers
Between two trophic levels is the smallest amount of energy wasted? producer and primary consumers
Name the participants in the three new symbiotic relationships that we learned in this module. Clownfish and Sea Anemone, Oriental Sweet-lips and blue-streaked wrasse, and Blind Shrimp and Goby
What fundamental assumption of macroevolution does mutualism seem to contradict? they struggle for survival
Why doesn't the ocean lose water? because the excess water from land runs into the ocean
What does the water cycle accomplish besides balancing the water in an ecosystem? it transports the nutrients
What is the possible consequence if deforestation occurs in a watershed? too many nutrients would flow into the water, causing the ecosystem to become off balance
What is the principal means by which oxygen is taken from the air? What is the principal means it is restored to the air? respiration; photosynthesis
Name the other ways that oxygen is removed from the air. ozone formation, rusting of metals and mineral, and fire
Name the other ways that oxygen is replenished in the air. ozone destruction and water vapor destruction
Name the ways carbon dioxide is removed from the air. dissolving into the ocean and photosynthesis
Name the ways in which carbon dioxide is replenished in the air. fuel burning, fire, respiration, and decomposition
What human activity worries those who think that global warming is a problem? Burning fuel
Is human-produced global warming occurring now? No
What is nitrogen-fixation? What type of organisms perform it? It converts nitrogen gas into chemically active molecules that many organisms can use; nitrogen-fixing bacteria
What two ways does that nitrogen in organisms get put back in to the environment? Waste and Decomposition
Created by: liv2dance
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