Natural Selection Question Preview (ID: 46469)


How Animals Adapt To Their Environments. TEACHERS: click here for quick copy question ID numbers.

Why was genetic diversity important for the banana?
a) Genetic diversity gives us more variety of flavors in bananas.
b) Genetic diversity allows the plants to spread their seeds to far-off locations.
c) Genetic diversity attracts pollinators for the banana trees.
d) If all bananas had identical DNA, they could be wiped out by a single disease.

________ drive adaptations in species over time.
a) Genetic diversity gives us more variety of flavors in bananas.
b) Genetic diversity allows the plants to spread their seeds to far-off locations.
c) Genetic diversity attracts pollinators for the banana trees.
d) If all bananas had identical DNA, they could be wiped out by a single disease.

A(n) _______ is any variation that makes an organism better suited to its environment.
a) Genetic variation
b) Adaptation
c) Gene
d) Homologous structure

A skunk spraying a predator is an example of a ______.
a) Behavior adaptation
b) Structural adaptation
c) mimicry
d) Relative dating

A bird making loud calls to attract a mate is an example of _____.
a) Behavior adaptation
b) structural adaptation
c) mimicry
d) Relative dating

Why do bison live in herds?
a) To gather more food
b) To attract mates
c) To provide camouflage
d) To protect their young

The viceroy butterfly, which is harmless, has adapted to look like the monarch butterfly, which is poisonous to birds. This provides the viceroy protection from predators. This is an example of what type of adaptation?
a) Mimicry
b) Mirroring
c) Camouflage
d) Symbiosis

In undisturbed areas, older rock layers lie ______ younger rock layers.
a) Below
b) In between
c) Above
d) On top of

Which of the following is not a principle of natural selection?
a) Some variations are passed onto offspring.
b) Differences, or variations, occur among individuals of a species.
c) Organisms will adapt to help members of another species survive.
d) Some variations are helpful. Individuals with helpful variations survive and reproduce better than those without these variat

Which of the following is NOT a fossil?
a) Outline of a fern found in a rock
b) baby mammoth found in a glacier
c) Petrified wood in the desert
d) Old stone tools found in a cave

Remains of life from an earlier time are ______.
a) Sedimentary rocks
b) Variations
c) Fossils
d) Limestones

Body parts that are similar in origin and structure between different species are called _______.
a) Vestigial structures
b) Adaptations
c) Homologous structures
d) Chemical defenses

______ is often referred to as “survival of the fittest.”
a) Biodiversity
b) Artificial selection
c) Genetic variation
d) Natural selection

A trait that makes an individual different from other members of its species is a(n) _____.
a) Index fossil
b) Embryo
c) Genetic variation
d) Species

Body parts that are reduced in size with no apparent function are called ____.
a) Embryos
b) Vestigial structures
c) Chemical defenses
d) genes

Over many generations, what would the number of well-adapted organisms in a population be expected to do?
a) Increase
b) Decrease
c) Stay constant
d) Never change

Scientists use _____ to estimate the age of fossils from sedimentary rocks.
a) hypotheses
b) natural selection
c) relative dating
d) metamorphic rocks

The study of the development of the earliest stage of organisms is ____.
a) Relative dating
b) Homologous structures
c) Infantology
d) Embryology

_____ is when an organism blends into its environment.
a) Mimicry
b) camouflage
c) chemical defense
d) embryology

____ is the breeding of plants and animals to produce desirable traits.
a) Artificial selection
b) Biodiversity
c) Natural selection
d) Relative dating

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