Adaptations

Which of the following is an adaptation?

• Eating

• Drinking

• Hibernating

• Reproducing

Which of the following is a structural adaptation?

• Feathers

• Predation

• Migration

• Hibernation

Which internal adaptation allows fish to breathe underwater?

• Fins

• Gills

• Scales

• Spawning

Which internal adaptation allows a bird to fly?

• Feathers

• Wings

• Hollow Bones

• Beaks

Which internal adaptation allows water to be transported through the roots of a plant?

• Xylem

• Phloem

• Stem

• Pollen

Which internal adaptation transports sugar from the leaves throughout a plant?

• Xylem

• Phloem

• Stem

• Pollen

Which of these is NOT an internal structural adaptation?

• Light Skeleton

• Large Lungs

• Thick Fur

• Four-chambered Heart

Which of the following is an example of natural selection?

• Hummingbirds drinking nectar from a plant.

• Whales and dolphins swim to the water’s surface to breathe.

• Sloths make their homes high in trees to protect themselves from predators.

• Brown-colored lizards survive and reproduce because they are better able to camouflage themselves from predators.

A gradual change over time in a species that enables the species to better survive in its environment is known as a(n) __________.

• adaptation

• habitat

• population

• competition

Which of the following statements about variations in species or populations is TRUE?

• Variations help species and populations survive.

• All organisms in a population have the same variations.

• Physical variations are the only traits that help species or populations survive.

• Behavior variations are the only traits that help species or populations survive.