Question

helppp meee

1. Ostriches are found in Africa. Rheas are found in South America. Emus are found in
Australia. Darwin noted that all of these birds look very similar. Which biodiversity
pattern does this represent?
a. Species vary locally
b. Species vary globally
c. Species vary over time
d. Species are all the same
2. Lamarck’s ideas about evolution were wrong because he proposed that
a. species change over time
b. species descended from other species
c. acquired characteristics can be inherited
d. species are adapted to their environments
3. Through his observations made in the

Answer 1

1. Ostriches are found in Africa. Rheas are found in South America. Emus are found in
Australia. Darwin noted that all of these birds look very similar. Which biodiversity
pattern does this represent?
a. Species vary locally
b. Species vary globally
c. Species vary over time
d. Species are all the same
2. Lamarck’s ideas about evolution were wrong because he proposed that
a. species change over time
b. species descended from other species
c. acquired characteristics can be inherited
d. species are adapted to their environments
3. Through his observations made in the Galapagos Islands, _____ formulated a theory of
how species change over time, called natural selection.
a. Jean-Baptiste Lamarck
b. Thomas Malthus
c. Charles Darwin
d. James Hutton
4. Which of the following is an example of natural selection?
a. a species of corn is genetically modified to produce a natural insecticide, resulting
in an increase in crop growth and a decrease in insect population
b. a farmer breeds a certain cow that produces more milk than his other cows to
produce more cows that produce a lot of milk.
c. an aloe vera plant species possessing a trait for extra thick leaves survives a long
drought in a desert, and an aloe vera species that has thinner leaves does not.
d. owls sleep during the day, and doves sleep during the night
5. Some organisms have favorable traits that are well-suited to the environment at hand.
Organisms with this advantage are more likely to thrive, reproduce, and pass their traits
to future generations than organisms without favorable traits.
This process is known as:
a. natural selection
b. reproductive isolation
c. geographic isolation
d. mimicry
Page 2 of 8: Biology B: Evolution Test Part 1: Multiple Choice
6. Natural selection allows a species to change in response to its environment. What is the
term used to describe the characteristic that increases an organism’s ability to survive and
reproduce in its environment?
a. gradualism
b. speciation
c. natural selection
d. adaptation
7. A family of white rabbits is transferred from a snow-filled ecosystem to a prairie. Which
of the following adaptations would be most beneficial to the offspring of these white
rabbits?
a. ability to jump higher
b. increase in overall size
c. darkening of the fur
d. longer and sharper claws
8. Peppered moths use the adaptation of camouflage as protection from predators. They may
have a variety of colors or shades, but before the Industrial Revolution, they were
typically white with black speckles. The Industrial Revolution in the 1880s introduced
large-scale pollution into the environment. The pollution resulted in widespread, darkcolored
staining of buildings and trees.
Which of the following was the most likely effect of the Industrial Revolution on
peppered moths in cities?
a. The peppered moths developed a tolerance to smog and chemical waste.
b. The peppered moths adapted an improved sense of sight and smell.
c. The population of light-colored moths decreased and the population of darkcolored
moths increased.
d. Over time, the white, speckled moths were outnumbered by plain white moths.
9. In a population of a species of field mice, favorable traits in the mice are likely to
_______ over time, and unfavorable traits are likely to _______ over time.
a. increase, decrease
b. increase, increase
c. decrease, increase
d. decrease, decrease

Answer 2

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Answer 3

1. is B , because by "globaly" it literaly means "globaly"....and you would get more responces if you posted this one at a time.