Unit 5 - Key Concepts Question Preview (ID: 58597)


This Is A Combination Of Unit 5 Vocabulary And Key Concepts For 7th Grade Science. TEACHERS: click here for quick copy question ID numbers.

Animals moving from one place to another for food or breeding.
a) Migration
b) Genetic Variation
c) Evolution
d) Estivation

A permanent heritable change in an organism's genetics
a) Mutation
b) Selective Breeding
c) Migration
d) Physiology

Differences in a population’s genetics.
a) Genetic variation
b) Appendages
c) Mutation
d) Natural Selection

The stopping or slowing of activity during winter; especially slowing of metabolism in some animals.
a) Hibernation
b) Camouflage
c) Migration
d) Mutation

The change in genetic composition of a population over time. May be caused by natural selection, inbreeding, hybridization, or mutation.
a) Evolution
b) Mutation
c) Dichotomous Key
d) Selective Breeding

A key used to identify a plant or animal
a) Dichotomous Key
b) Hibernation
c) House Key
d) Genetic Variation

A temporary state of inactivity during a time that the animal is usually active.
a) Estivation
b) Physiology
c) Appendages
d) Migration

Changes in behavior or physical structure of an organism to become more suited to an environment.
a) Adaptation
b) Appendages
c) Physiology
d) Selective Breeding

An animal's color/shape that protects it from predators
a) Camouflage
b) Evolution
c) Migration
d) Mutation

A part or organ, such as an arm, leg, tail, or fin that is joined to the axis or trunk of a body.
a) Appendages
b) Camouflage
c) Estivation
d) Hibernation

Organisms survive to reproduce and pass on their genes - improves the species over time.
a) Natural selection
b) Selective Breeding
c) Mutation
d) Evolution

A branch of biology that deals with the functions, mechanisms, and activities of organisms at the cellular or organ system level.
a) Physiology
b) Chemistry
c) Geology
d) Meteorology

Humans selecting and breeding organisms for desired traits
a) Selective breeding
b) Dichotomous Key
c) Hibernation
d) Natural Selection

What adaptation do animals such as birds have that allows them to fly?
a) Lite weight hollow bones
b) They are incredibly strong
c) They have sacs of helium in them like balloons
d) Mini-jet engines

What adaptations to organisms such as fish have that allow them to survive underwater?
a) Gills that absorb oxygen from the water.
b) Fish can hold their breath a really long time
c) Fish somehow break the O from H2O and absorb that
d) Fish do not have to breathe

Animals burrow into the ground in the desert because....
a) It provides a place to hide and cooler temperatures
b) Animals do not burrow in the desert
c) They don't know how to build houses
d) .. they are bored

How do some animals in the desert store water?
a) Water is is stored in the fat of the body
b) Water is stored in big water sacs in the body
c) Water is store in water sacs on the outside of the body
d) No animals can store water

Animals that are active at night to avoid the daytime heat are ...
a) Nocturnal
b) Diurnal
c) Paternal
d) Bipedal

Animals like the sea turtle produce a huge number of offspring because...
a) Only the best adapted organisms will survive
b) So they can take over the world
c) There is no good reason
d) So that there will be more competition for the parent

The greater the genetic variation .....
a) ..the greater chance that organisms can adapt to their environment
b) ..the lower the sustainability
c) .. the greater chance of extinction
d) .. the less chance for beneficial mutations

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