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41 terms

Environmental Science (6th grade)

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What are gray wolves in a forest an example of?
Population
Niche
an organism's particular role in its habitat, or how it makes its living
When a jellyfish paralyzes a tiny fish with its poisonous tentacles, the fish is considered:
prey
The Escherichia coli that llive in your intestine and help break down food is an example of what type of interaction?
mutualism
To carry out photosynthesis, algae and plants use the abiotic factors sunlight, carbon dioxide and what?
water
What is an example of a predator adaption?
a shark's powerful jaws
When a flea is living on a dog, the dog is what?
host
Mutualism, commensalism, and parasitism are the three types of what?
symbiotic relationships
A hawk building its nest on an arm of a saguaro cactus is an example of what
commensalism
True or False? A tapework living inside a wolf's body is a predator
False. It is a parasite
True or False: All of the members of a community belong to the same species
False. All members of a population belong to the same species
True or False? An insect looks like a leaf, so it blends in with its surroundings and is hard for predators to see. The insect's characteristic is an example of commensalism
False. It is prey adaptions
True or False? In predation ,the organism that kills another organism for food is the prey
False. It is predator
True or False. Both species benefit in the type of symbiosis is called mutualism
True
Complete this sentence: All the biotic and abiotic factors in an area together make up an ______
ecosystem
Complete this sentence: Prairie dogs, snakes and grass make up a level of ecological organization called a/an: __________
community
Complete this sentence: Two abiotic factors that are needed for photosynthesis are sunlight and __________
water
Complete this sentence: Scientists who study how living things interact with the environment are called __________
ecologists
Complete this sentence: The thick fur of a polar bear is an _________________ that allows the bear to live successfully in its environment
adaption
Complete this sentence: A close relationship between two species that benefit at least one of the species is known as __________________
symbiosis
Complete this sentence: The struggle of two species to occupy a certain niche in an ecosystem is an example of __________
competition
Complete this sentence: A hawk building a nest on the arm of a cactus without hurting the cactus is an example of the symbiotic relationship called__________
commensalism
What are two things prairie dogs need to live that they obtain from their habitat?
oxygen & water
What is the smallest unit of organization in an ecosystem?
an organism
Describe oen of the prairie dog's adaptions and how it helps the prairie dog to survive
it is good at digging so it can dig and get away
What level of ecological organization do all of the owls in a certain area represent?
population of owls in an area
Is the prairie soil a biotic factor or an abiotic factor? Explain your answer
abiotic factor, because it doesn't need certain things to live
Host
organism that is harmed in parasitism
Competition
struggle between organisms for limited resources in a habitat
Predator
organism that does the killing in predation
Prey
organism that is killed in predation
Ecosystem
all the living and nonliving things that interact in an area
Habitat
place where an organism lives that provides for its needs
Parasite
organism that benefits in parasitism
Predation
interaction in which one organism kills and eats another
Ecology
study of how living things interact with each other and their environment
Estimate
an approximation of a number
Commensalism
relationship in which one species benefits and one is unharmed
Species
a group of organism that are physically similar and can produce fertile offspring
Niche
an organism's particular role in an ecosystem
Symbiosis
relationship in which at least one species benefits