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WorksheetsWhen Fish First Walked
Total questions: 8
Worksheet time: 8mins
What is natural selection?
the process by which humans evolved from fish and monkeys
the process by which species change as unsuccessful traits are passed on to the next generation
small changes in individual organisms that are not passed on to the next generation
the process by which species change as successful traits are passed on to the next generation
What does the author list and describe in the passage?
examples of natural selection in various species
how the dodo bird adapted to the invasive human population
the different wing sizes of Galápagos finches
how the Industrial Revolution affected London’s human population
Peppered moths became darker colored because the dark moths were better suited to the sooty environment than the light moths.
What details from the passage support this statement?
Male peacocks with impressive tail feathers are able to find mates more easily.
Deer mice are dark brown, which makes it easier for them to hide from owls and other predators in the dark soil of the woods.
The light moths could be easily seen by predators, while the dark moths were nearly invisible on dark backgrounds.
During the Industrial Revolution, London became polluted and the smog turned everything black
Read the following sentences
“Another case that has to do with survival through camouflage involves the little deer mouse. Typically, deer mice are dark brown, which makes it easier for them to hide from owls and other predators in the dark soil of the woods. The deer mouse that lives in Nebraska’s light-colored Sand Hills, however, has gone from brunette to blonde so it can blend in and have a better chance at survival.”
Which of the following conclusions about deer mice is supported by the text?
Deer mice migrated from Nebraska to the woods.
The color of deer mice changes based on the environment.
Deer mice that are blonde will survive easier in the woods.
Owls do not hunt deer mice in Nebraska.
What is this passage mostly about?
Charles Darwin
the evolution of fish
natural selection
Galápagos finches
Read the following sentences:
“An organism that develops a trait that helps it survive in its environment will have a better chance of reproducing and passing that trait on to the next generation. As a consequence, organisms with this helpful trait will become more prominent while other organisms of the same species die out.”
As used in the passage, what does “prominent” most nearly mean?
widely seen
unpopular
scarce
large
Choose the answer that best completes the sentence below.
Female peacocks prefer to mate with males that have brightly colored plumage; ___________, male peacocks with dull feathers have become quite rare.
however
finally
specifically
as a result
Why did the dodo bird never develop the ability to fly?
Lack of Predators
Lack of Prey
Lack of Desire
Lack of Territory
