Environmental Science (6th grade)

41 terms by libylu

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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

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