Adaptations 2 Question Preview (ID: 13736)
Characteristics And Survival Instincts.
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Which characteristic of the tomato plant is inherited and could change over several generations?
a) color of the skin
b) size of rotten spots
c) length of worms inside
d) number of broken branches
Which statement best explains why bears are found in very cold regions of the world but lizards are not?
a) Bears and lizards depend on external sources of heat, but bears have fur to keep themselves warm.
b) Bears increase their body temperature to keep themselves warm when the outside temperature gets cold
c) Bears maintain a constant body temperature through internal processes, but lizards depend on externa
d) Bears and lizards maintain a constant body temperature through internal processes, but lizards get t
How did the work of Gregor Mendel change the scientific explanation about how traits were inherited?
a) Mendel showed that every trait is controlled by two inherited elements.
b) Mendel showed that an organism contains miniature forms of its future offspring.
c) Mendel showed that traits skip a generation and are inherited grandparent to grandchild.
d) Mendel showed that tiny particles from every part of the body of each parent became blended and prod
Which characteristic of roses is most likely to evolve over several generations?
a) the structure of the plant's cells
b) how the plant makes food
c) the scent of the flowers
d) how the plant responds to sunlight
Which characteristic of mice is most likely to evolve over several generations?
a) the number of limbs they have
b) the way in which they breathe
c) the structure of their cells
d) the sensitivity of their smell
What is the most likely reason it may be dangerous for an animal to arouse from hibernation when the ground is still covered in snow?
a) It may not be able to find food.
b) It may not be able to keep itself warm.
c) It may not be able to mate for some time.
d) It may not be able to increase its heart rate.
Kestrels have a small, sharp beak. How does this characteristic best help kestrels survive?
a) It allows them to tear the flesh of their prey.
b) It allows them to carry materials for building nests.
c) It allows them to preen their feathers to keep clean and dry.
d) It allows them to frighten predators by making screeching sounds.
Which statement best describes protective coloration?
a) coloration that helps an organism produce offspring
b) coloration that helps an organism locate its habitat
c) coloration that helps an organism prepare for hibernation
d) coloration that helps an organism hide in its environment
Which statement best explains why an organism's vital functions decrease during torpor?
a) A decrease in vital functions prevents the organism from eating.
b) A decrease in vital functions allows the organism to enter a deep sleep.
c) A decrease in vital functions helps the organism conserve energy.
d) A decrease in vital functions raises the organism's body temperature.
Which statement best describes a migrator?
a) It must travel great distances to survive.
b) It requires moderate temperatures.
c) It can live on many different food sources.
d) It mates and gives birth in different regions.
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