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8.MS-LS4-4
Test Description: 8.MS-LS4-4
Instructions: Answer all questions to get your test result.
1) What is NOT an example of overproduction?
A
Spiders lay many more eggs than will survive
B
Fish spawn can contain hundreds of eggs
C
Turtles lay many eggs in a season, but there are always around the same number of turtles in a pond
D
Elephants usually only give birth to one calf at a time
2) In natural selection, what determines the best traits for an environment?
A
humans
B
the environment
C
time
D
the organisms
3) Which is NOT an example of an environmental pressure?
A
the amount of rainfall
B
the overall colors in an ecosystem
C
the numbers of offspring produced
D
the presence of predators
4) What does NOT when an environment changes faster than a species can adapt?
A
The species could no longer have a high level of fitness
B
The species could go extinct
C
The species can succumb to new environmental pressures
D
The species can choose to adapt faster
5) According to natural selection, who survives?
A
The organisms who produce the most offspring
B
The organisms best fit for the environment at that time
C
The organisms who are able to move around better
D
The organisms who correctly choose the best adaptations
6) What is the best explanation for why the dinosaurs went extinct?
A
they evolved into birds
B
they were hunted to extinction
C
an asteroid hit Earth
D
the environment changed faster than they could adapt
7) Which is the best definition of successful reproduction?
A
producing offspring that will survive and reproduce, as well
B
producing offspring
C
producing a large number of offspring
D
producing offspring who can reproduce sexually
8) Which is not an example of evolution?
A
A species of birds developing brown feathers as snow melts earlier
B
A bear cub being born with thicker fur
C
A species of fish being able to survive warmer waters as ocean temperatures rise
D
A species of butterflies migrating earlier as food sources change
9) What is the best explanation for why giraffes have long necks?
A
Over time, their food sources got sweeter so it made more sense for them to have long necks
B
Over time, the temperature increased so giraffe necks got longer
C
Over time, their food sources got higher off the ground so the giraffes stretched their necks longer arnd longer
D
Over time, their food sources got higher off the ground so the environment favored long necks
10) Over time, daisy flowers have evolved to be white. According to natural selection, in order for that to have happened, what must be true?
A
Earlier versions of daisy flowers must have been different heights
B
Earlier versions of daisy flowers must have been a variety of colors
C
Earlier versions of daisy flowers that were white were easier for herbivores to eat
D
Earlier versions of daisy flowers must have been exposed to different amounts of rain
*select an answer for all questions
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