Evolution Questions
A population of apes migrates to a northern habitat with colder temperatures. Over many generations their coat becomes thicker. Which selection pressure caused this?
a) predation b) food availability
c) flooding d) temperature
d) temperature
Which is an example of a physiological adaptation?
a) humans shivering when cold
b) a porcupines quills
c) birds migrating south during winter
a) humans shivering when cold
A trait that is gained during our lifetime is called a(n):
a) genetic trait
b) acquired trait
b) acquired trait
True or False:
New species can develop in ONE generation.
False
Webbed feet in ducks is which type of adaptation?
structural
behavioral
physiological
structural
Define mutation:
a) a major change in DNA
b) can change a trait, but doesn't affect DNA
c) can produce new variations in genetic traits
c) can produce new variations in genetic traits
Which is a behavioral adaptation?
a) humans shivering when cold
b) porcupine quills
c) birds migrating south during winter
c) birds migrating south during winter
This type of trait helps a species to survive changes to its environment:
a) adaptation
b) speciation
c) mutation
a) adaptation
Which of the following is not an example of an adaptation?
a) developing longer necks
b) change in fur color
c) ability to reproduce
c) ability to reproduce
Opossums "play dead" to confuse predators.
structural
behavioral
physiological
behavioral
Which defines genetic variation?
a) the amount of genetic diversity in a population
b) the amount of mutations in an organisms genes
c) passing down traits to offspring
a) the amount of genetic diversity in a population
Which is a structural adaptation?
a) humans shivering when cold
b) porcupine quills
c) birds migrating south during winter
b) porcupine quills
A change in genetic traits over many generations is called:
a) speciation
b) adaptations
c) evolution
c) evolution
When an organism survives to reproduce, we call this:
a) mutation
b)variation
c) natural selection
c) natural selection
Chipmunks collect & store food to survive winter.
structural
behavioral
physiological
behavioral
Which is an example of natural selection?
a) a volcano erupts wiping out a population of buffalo
b) coyotes are more likely to kill slower rabbits than faster ones
c) a population of deer are killed by disease
b) coyotes are more likely to kill slower rabbits than faster ones
A physiological adaptation is...
a) an action or behavior
b) an internal process
c) an anatomical structure
b) an internal process
Differences in traits among individuals of a species is:
a) mutations
b) competition
c) variation
c) variation
Which is NOT an example of a selection pressure?
a) time of day
b) predation
c) resource availability
a) time of day
Sharp claws of a hawk to catch & kill prey.
structural
behavioral
physiological
structural
Which is an example of natural selection?
a) rabbits in a habitat gradually change fur color
b) a flood kills a population of deer
c) a turtle warming itself on a rock in the sun
a) rabbits in a habitat gradually change fur color
Which is an example of both a behavioral & a physiological adaptation?
a) a bear hibernating in winter
b) a giraffe's long neck
c) a chameleon's ability to camouflage itself
a) a bear hibernating in winter
A group of similar organisms that can reproduce is a(n):
a) population
b) species
c) trait
b) species
a) showing changes in fur color
b) showing changes in bone structure
c) showing changes in muscle development
b) showing changes in bone structure
Electric eels can shock prey & defend themselves.
structural
behavioral
physiological
physiological