Ecosystems (Mayfield)
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
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| What is a habitat? | a place where an organism lives
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| What do species require organisms to do? | share similar characteristics & be able to breed with one another
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| What are biotic factors? | living parts of an ecosystem
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| What is a host? | an organism that a parasite lives on or in
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| What does it mean to cooperate? | when organisms work together and have helpful interactions
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| Would a bird be considered a prey or predator to a worm? | a predator
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| Where can carbon naturally be found? | the air, ground, plants & animals
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| Where can extremophiles be found? | in very cold places, deep ocean vents and hot springs
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| What human activity contributes the most to the Carbon cycle? | burning fossil fuels
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| What are abiotic factors? | nonliving parts of an ecosystem
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| What is a community? | it is made up of all the populations that live in an area at the same time
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| What is decomposition? | a process where bacteria and other decomposers break down dead organisms
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| What is population? | when all the organisms of a species live in the same place at the same time
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| When does competion occur? | when organisms in an ecosystem try to get the same resources
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| What is predation? | a relationship in which one animal hunts, kills & eats another
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| What does an ecosystem include? | all the living and nonliving parts of an environment as well as the interactions among them
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| What is nitrogen fixation? | a natural process that converts nitrogen from the atmosphere into forms that are useful to a variety of organisms
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| What is a niche? | how an organism acts within its ecosystem
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| What is dentrification? | it takes nitrogen from nitrates and other compounds in the soil and releases it as nitrogen gas
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| What are the three types of ecosystems? | terrestrial, marine & freshwater
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| What is an example of a terrestrial ecosystem? | land, desert or forest
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| What is an example of a marine ecosystem? | salt water or oceans
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| What is an example of a freshwater ecosystem? | rivers, lakes or streams
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| What is the main terrestrial ecosystem in North Carolina? | temperate deciduous forest - meaning a mild climate and the trees lose their leaves in the fall
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| What does symbiosis mean? | a close relationship
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| What are the three types of symbiosis? | mutualism, commensalism, and parasitism
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| What is mutualism? | both species benefit
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| What is commensalism? | one species benefits without benefiting or harming the other
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| What is parasitism? | one species harms the other species such as fleas and ticks on dogs
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| Why is nitrogen important to the ecosystem? | all living things need nitrogen to make proteins
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| Why is carbon important to the ecosystem? | carbon is in every living thing
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| Where is carbon found? | in the air and the ground
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| What is the most common form of carbon that is released as a product of cellular respiration? | CO2
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| When can carbon in animals be used? | animals have to be eaten and decomposed
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| How do humans increase carbon? | burning fossil fuels
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| How do humans rise nitrogen levels? | by fertilizers
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| What do all living things need to make proteins? | nitrogen
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| Where is most nitrogen located? | in the atmosphere
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| How does nitrogen fixation bacteria benefit animals? | it makes nitrogen available to plants and then animals eat the plants
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