Unit Test Review 2 Question Preview (ID: 40690)


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Organisms that must rely on other organisms for food are called _________
a) food chain
b) niche
c) consumers
d) producers

The sequence in which organisms feed on each other is called a(n) ______
a) Food chain
b) Food web
c) niche
d) distribution

The unique role that an organism plays in its ecosystem is called its_______
a) habitat
b) food chain
c) niche
d) ecology

Why are all animals considered consumers
a) they make their own food
b) they aren't
c) they need to eat another thing to live
d) they use gas

How does a food chain differ from a food web?
a) they are the same
b) a chain shows many paths of energy, a web doesnt
c) the both show frogs and flies
d) a chain shows one path, a web shows many

all the different forms of life on earth
a) biodiversity
b) ecosystems
c) symbiosis
d) mutation

a close relationship between two species
a) biodiversity
b) taxonomy
c) symbiosis
d) extinction

a sudden change in an organism’s genes
a) mutation
b) extinction
c) taxonomy
d) symbiosis

the science of the classification of species
a) symbiosis
b) mutation
c) taxonomy
d) ecosystem

the loss of all members of a species
a) symbiosis
b) extinction
c) taxonomy
d) mutation

a person who wants to preserve and protect species
a) conservationist
b) taxonomy
c) mutation
d) biodiversity

examples include beaches, rivers, forests, and marshes
a) symbiosis
b) exintction
c) ecosystems
d) mutations

Removing a(n) _______ species from an ecosystem can reduce biodiversity
a) endangered
b) keystone
c) parasitic
d) touchstone

The relationship where one organism benefits and the other is unaffected is called_______
a) commensalism
b) mutualism
c) parasitism
d) diversity

A(n) ______ is an organism that provides food for a parasite.
a) tentacle
b) adaption
c) mutualism
d) host

The English scientist who studied finches on the Galapagos Islands was named
a) Hooke
b) Darwin
c) Johnson
d) Irwin

A(n) _______ is a trait that makes an organism better suited to the environment.
a) endemic
b) adaptation
c) immunity
d) symbiosis

The different forms of genes in living things, or _____, can increase Earth’s biodiversity
a) genetic diversity
b) immunity
c) symbiosis
d) hosts

A small part of a larger unit is called____
a) adaptation
b) specimen
c) rapid assessment
d) sample

Green plants provide humans with________
a) water
b) carbon monoxide
c) oxygen
d) carbon dioxide

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