Cycles In Nature And Interactions In Ecosystems: Question Preview (ID: 29884)

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Which of the following might be a limiting factor for a population of rabbits?
a) Food b) water c) potential mates d) All of the choices are correct.
Which of the following describes an organism's niche?
a) the abiotic factors that affect it. b) its role in an ecosystem c) the physical location where it lives d) the food the organism eats
Which of the following is an example of predation?
a) a yucca plant and a yucca moth have a partnership in which both benefit b) A wolf kills and eats an elk. c) a tapeworm lives in the intestines of a human; the tapeworm doesn't kill the human. d) None of the choices are correct.
A food chain shows ________.
a) what foods are most nutritious for an organism b) how matter on Earth is recycled c) how energy from food passes from one organism to another d) how energy passes from the sun to organisms
What is the most common way that nitrogen fixation occurs?
a) lightning b) fossil fuel combustion c) forest fires d) nitrogen fixing bacteria
Animals get their source of nitrogen
a) from their food. b) directly from the atmosphere. c) from nitrates in the soil. d) from the water they drink
What organisms remove carbon dioxide gas from the air during photosynthesis?
a) consumers b) decomposers c) producers d) herbivores
The two major processes in the carbon cycle are…
a) Weathering and respiration b) Evaporation and Condensation c) Combustion and Photosynthesis d) Photosynthesis and Respiration
When water vapor cools into a liquid, it’s called
a) transpiration. b) evaporation. c) condensation. d) precipitation.
The water cycle describes
a) the continuous natural recycling of water on the earth. b) when we can expect heavy rains and floods. c) why three-fourths of the earth’s surface is covered by water. d) the eventual loss of all water from the earth.
Why can matter cycle through the biosphere?
a) biological systems use only carbon, oxygen, hydrogen, and nitrogen b) biological systems do not use up matter, they transform it. c) matter is assembled into chemical compounds. d) matter does not change into new compounds.
What abiotic factor is responsible for providing almost all the energy for life on earth?
a) air b) water c) sunlight d) soil
Groups of populations that interact with each other in a given area form a ______.
a) habitat b) community c) niche d) biosphere
Abiotic factors include ______.
a) air, light temperature b) populations c) trees, flowers, shrubs d) communities
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