Inherited Traits And Environment Test Question Preview (ID: 30028)
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Why do dogs grows thicker fur in the winter and shed it in the summer?
a) They are better able to survive different weather patterns
b) They grow hair to get rid of extra food they eat in the winter
c) They have to replace the hair because it becomes brittle
d) They used to build their dens out of hair they shed
Grasses are very difficult to pull away from the ground. How do their root systems benefit grasses?
a) Grasses are very difficult to pull away from the ground. How do their root systems benefit grasses?
b) they make food for the plant
c) they firmly anchor the plant to the ground
d) they make it impossible for the plant to die
A tangelo is a cross between a tangerine and a grapefruit. Why do plant scientists make genetic crosses like this?
a) the new offspring may have desirable traits
b) we need to keep discovering new fruits to stay healthy
c) they are accidents that scientists cannot prevent from happening
d) artificially produced foods are better for people than natural ones
Human beings walk upright. What adaptive advantage does this provide?
a) we run faster than other animals
b) we see in more colors than other animals
c) it allows us to use our hands
d) it gives us the ability to hear better
Dairy cows now produce more milk per cow than ever before
a) people have changed the genetic make-up of cows
b) cows are always changing in nature
c) cows live in feedlots without grass
d) there are more cows now than ever before
Which animal has traits adapted for a water environment but not a land environment?
a) cat
b) spider
c) lizard
d) fish
What adaptive advantage do the stripes on a tiger provide?
a) protection from the cold
b) camouflage in tall grass
c) improvements in eyesight
d) corrects for excessive sunlight
Why do wolves have large sharp teeth?
a) to help them dig burrows to live in
b) to help them kill their prey
c) to help them care for their offspring
d) to help them attract a mate
How do the large, flat teeth of a cow help it survive?
a) it can fight off predators
b) it can eat every kind of food
c) flat teeth rarely decay
d) it can grind grasses better
Which organism would be most likely to survive if placed in another ecosystem
a) fern
b) monkey
c) insect
d) mouse
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