WorksheetsEvolution Unit Review
Total questions: 15
Worksheet time: 8mins
For small animals with many predators, laying multiple eggs is BENEFICIAL because....
there is a higher chance the offspring will survive
there is a lower chance the offspring will survive
Genetic variation most closely means....
the different types of traits in a population
how traits are the same in a population
When a wolf leaves its pack and joins another pack which of the following will increase?
natural selection
fossil record
variation
High levels of genetic variation will ______ survival.
increase
decrease
Low levels of genetic variation will ______ survival.
increase
decrease
The "fittest" organism is the one that....
is the strongest
is the fastest
is the best camouflaged
is the best adapted
Kylie Jenner had her lips injected to be bigger. Will she pass down that trait to her children?
No, the trait is not in her DNA and will not be passed down
Yes, the injections have changed her DNA and will be passed down
Maybe, there is a 50/50 chance
Those with increased "fitness" will most likely...
die from predator attacks
be the strongest in the population
survive and produce offspring
die after a short time and produce no offspring
Otters are prey to alligators. Recently bobcats have begun to eat otters and they are faster than alligators. What will happen to the otter population?
the otters will force a mutation in their DNA to become faster
the slow otters will workout and train until their legs are faster
the fast otters will survive and reproduce to create a population of fast runners
Fruit bats have developed long thumbs that help them eat fruits.
Some fruit bats have developed especially strong long thumbs that help them remove the pit (seed) from the fruit.
Which of the following most likely led to the development of the fruit bats adaptation?
limited water
competition
food type
Fossils are evidence of evolution because you can observe _______ in a species over time.
change
consistency
developments
Similarities in DNA between two different organisms most likely means...
they share a long lost relative
they share the same parents
they share a common ancestor
Which is more closely related?
Lamprey and tiger
Gorilla and Human
Salamander and Tiger
Which is least related to tiger?
lizard
human
shark
Which statement is true based on the cladogram?
tiger are more related to salamander than lamprey
gorilla are more related to shark than human
human are more related to lamprey than tiger
