Adaptations
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Adaptations
1. If you were to genetically engineer soybeans, which change would be most useful for farmers bothered by leafmunching bugs?
A. physiological, faster plant growth
B. physiological, addition of a bitter taste to the plant 's leaves
C. structural, increased leaf cuticle thickness
D. structural, change in leaf color
2. An animal that lives in a desert biome will most likely have adaptations that help the animal to
A. insulate its body.
B. store body fat.
C. conserve water.
D. swim efficiently.
3. Which of the following resulted from a genetic variation that was favored by natural selection?
A. cancer in a lab rat
B. the long neck of a giraffe
C. the small size of a Chihuahua
D. smoothness of a river rock
4. Which of these adaptations would most directly assist a plant in reproducing?
A. shallow roots
B. waxy leaves
C. thick stems
D. bright flowers
5.
Polar bears live in very cold climates. Which of the following adaptations most likely helps polar bears to survive the extremely cold temperatures of the Arctic?
A. Polar bears have large teeth, including four sharp canine teeth.
B. Polar bears have a thick layer of blubber under their skin.
B. Polar bears have a thick layer of blubber under their skin.
C. Polar bears have large paws and short, sharp claws.
D. Polar bears have a black nose surrounded by a dark muzzle.
6. Which of the following adaptations would most likely help an animal survive the stressful environmental conditions found in the Arctic?
A. Bats can emit high-pitched sounds and navigate by echolocation.
B. Ducks have webbed feet and an elongated body.
C. Reindeer have dense, woolly fur and hooves with high traction.
D. Rattlesnakes have modified scales on the tips of their tails that form a rattle.
7. Succulent plants have fleshy leaves with thick surface layers. These characteristics help the plant
A. slow photosynthesis.
B. conserve water.
C. promote nutrient uptake.
D. reduce carbon
Adaptations
1. If you were to genetically engineer soybeans, which change would be most useful for farmers bothered by leafmunching bugs?
A. physiological, faster plant growth
B. physiological, addition of a bitter taste to the plant 's leaves
C. structural, increased leaf cuticle thickness
D. structural, change in leaf color
2. An animal that lives in a desert biome will most likely have adaptations that help the animal to
A. insulate its body.
B. store body fat.
C. conserve water.
D. swim efficiently.
3. Which of the following resulted from a genetic variation that was favored by natural selection?
A. cancer in a lab rat
B. the long neck of a giraffe
C. the small size of a Chihuahua
D. smoothness of a river rock
4. Which of these adaptations would most directly assist a plant in reproducing?
A. shallow roots
B. waxy leaves
C. thick stems
D. bright flowers
5.
Polar bears live in very cold climates. Which of the following adaptations most likely helps polar bears to survive the extremely cold temperatures of the Arctic?
A. Polar bears have large teeth, including four sharp canine teeth.
B. Polar bears have a thick layer of blubber under their skin.
B. Polar bears have a thick layer of blubber under their skin.
C. Polar bears have large paws and short, sharp claws.
D. Polar bears have a black nose surrounded by a dark muzzle.
6. Which of the following adaptations would most likely help an animal survive the stressful environmental conditions found in the Arctic?
A. Bats can emit high-pitched sounds and navigate by echolocation.
B. Ducks have webbed feet and an elongated body.
C. Reindeer have dense, woolly fur and hooves with high traction.
D. Rattlesnakes have modified scales on the tips of their tails that form a rattle.
7. Succulent plants have fleshy leaves with thick surface layers. These characteristics help the plant
A. slow photosynthesis.
B. conserve water.
C. promote nutrient uptake.
D. reduce carbon