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Science
Earth Science
Environmental Science
Lesson 3: Consumers
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Gravity
Terms in this set (8)
Competition
The relationship between organisms needing the same limiting resources within one environment.
Consumer
An organism that gets energy from eating other organisms.
Dissect
To cut into separate parts.
Food Chain
The feeding relationships between organisms in an ecosystem.
Owl Pellet
The regurgitated parts of a consumed animal that cannot be digested by an owl.
Primary Consumer
An animal that feeds on plants.
Secondary Consumer
An animal that feeds on smaller, plant-eating animals, or primary consumers.
Tertiary Consumer
An animal at the top of the food chain that mainly eats secondary consumers.
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Verified questions
ENVIRONMENTAL SCIENCE
Which played an important role in the development of the "throw-away" society? (a) The increased use of glass and metals, (b) Objects made of many materials, (c) Attitude changes after World War I, (d) The shift in manufacturing to developing nations, (e) The rejection of planned obsolescence.
ENVIRONMENTAL SCIENCE
What are climate models? What is an advantage of using a climate model? What is a disadvantage?
ENVIRONMENTAL SCIENCE
Which of the below is NOT a human intervention in the nitrogen cycle? a. Large amounts of nitric oxide (NO) are released into the atmosphere by smokestacks which can cause acid rain. b. Nitrous oxide (N$_2$O) is added to the atmosphere through the action of bacteria on livestock waste. c. Large amounts of nitrogen are released into the atmosphere as forests are cleared. d. Large amounts of nitrates are added to the Chesapeake Bay causing a eutrophic dead zone. e. Specialized bacteria convert ammonia into nitrate and then into nitrogen gas reducing nitrogen available to plants.
ENVIRONMENTAL SCIENCE
Which worldview considers ecosystems to have intrinsic value? I. Anthropocentric, II. Biocentric, III. Ecocentric. (a) l only, (b) I and III only, (c) II only, (d) II and III only, (e) III only.
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