Life Science - Ch. 4 Test

Which of these plant adaptations reduces water loss?

• thorns on the stem

• brightly colored flowers

• waxy covering on leaves

• seeds covered with hooks

Berries are a type of fruit found on a blackberry plant. How do berries help the blackberry plant?

• They make food for the plant

• They absorb water for the plant

• They protect the plant from predators

• They disperse seeds for the plant to new areas

Alligators live in swamps. They are able to lie so still that they look like floating logs in the water. How does this adaptation help the alligator to survive?

• It helps the alligator to swim better

• It helps the alligator to be able to reproduce

• It helps the alligator to surprise and catch its food

• It helps the alligator to travel to other nearby swamps

Some turtles have a tongue that looks like a worm. How does this most likely help the turtle?

• The tongue attracts prey, making it easier to catch food

• The tongue helps the turtle find other turtles for reproduction

• The tongue makes the turtle's predators think that the turtle is a worm

• The tongue makes the turtle look like it already at and is not looking for food

Rock pocket mice can have brown or black fur. More of the mice with brown fur survive in areas with light-colored rocks. More of the mice with black fur survive in areas with dark-colored rocks. Which statement best compares adaptation and variation in pocket mice?

• Variation is the different colors of fur, and adaptation is how the colors help the mice survive

• Adaptation is the different colors of fur, and variation is how the colors help the mice survive

• Both the development and number of colors of fur are adaptations, but mice have no variations

• Both the development and number of colors of fur are variations, but mice have no adaptations

Bats sleep during the day and hunt for food at night. Which adaptation would be most helpful to them in finding their food?

• small teeth

• dark coloring

• poor eyesight

• excellent hearing

Some monkeys screech and bare their teeth as a warning that they will fight back if attacked. What advantage would this most likely give the monkeys?

• It could let other monkeys know that they are hungry

• It could convince predators not to come near the monkeys

• It could allow mother monkeys to be able to find their babies

• It could signal to the monkeys nearby that prey is in the area

Which example best explains an adaptation that is for reproduction?

• Chameleons can change color

• Cheetahs can run extremely fast for short distances

• Emperor penguins can make sounds to attract a mate

• Sloths can hang upside down from trees for long periods of time

Lions will not usually hunt after they finish a big meal. Which of these will make the lions hunt for food?

• thirst

• hunger

• camouflage

• extinction

Some grasses do not taste good. How does this adaptation most likely help these grasses?

• It helps the grass to make food

• It helps the grass to store water

• It helps the grass to protect itself

• It helps the grass to absorb sunlight