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- 1. Multiple Choice
One type of adaptation is the type of teeth an animal has. Lions have pointed teeth, while sows have flat molars. Why do you think their teeth are shaped this way?
the type of teeth they need to eat the type of organisms they consume
the color of their fur
the shape of their ears and how well they hear
the biome they live in
- 2. Multiple Choice
Desert plants have adaptations that help them survive the lack of rain and the high temperature of a desert biome. All of the following are adaptations that help these plants survive except,
horizontal roots to catch water at the surface of the soil
waxy outer skin to hold moisture in
the ability to capture fish for nutrients
the structure of their branches to provide shade
- 3. Multiple Choice
Why do aquatic animals like dolphins, seals, and sea turtles have flippers?
to fan themselves when they are hot in the sun
to run quickly away from predators on land
to swim, dive, and propel themselves quickly in the water
to dig holes for their eggs and build nests for their young
- 4. Multiple Choice
Which two traits best help a cactus CONSERVE WATER in the dry conditions of a West Texas desert ecosystem?
large flowers and sweet fruit
sweet fruit and sharp spines
sharp spines and waxy stems
waxy stems and large flowers
- 5. Multiple Choice
Not all birds fly. Penguins' wings have adapted to help them swim in the water. What adaptation do they have that is different from flying birds, thus allowing them to be better swimmers?
they have teeth that are sharp to bite down on prey
they have flippers and use their wings to swim
they have dark features
they have beaks that help them catch fish
- 6. Multiple Choice
What is an adaptation of a plant that lives in a rainforest and has to compete for sunlight with other plants?
In drier, temperate deciduous forests a thick bark helps to limit moisture evaporation from the tree's trunk. Since this is not a concern in the high humidity of tropical rainforests, most trees have a thin, smooth bark. The smoothness of the bark may also make it difficult for other plants to grow on their surface.
Some plants have the adaptation of living on the surface of other plants. These plants are called Epiphytes. They grow on trees to take advantage of the sunlight in the canopy. Most are orchids, bromeliads, ferns, and Philodendron relatives. Tiny plants called epiphylls, mostly mosses, liverworts and lichens, live on the surface of leaves.
Many large trees have massive ridges near the base that can rise 30 feet high before blending into the trunk. These are called Buttress roots and they provide extra stability, especially since roots of tropical rainforest trees are not typically as deep as those of trees in temperate zones.
The leaves of forest trees have adapted to cope with exceptionally high rainfall. Many tropical rainforest leaves have a drip tip. It is thought that these drip tips enable rain drops to run off quickly. Plants need to shed water to avoid growth of fungus and bacteria in the warm, wet tropical rainforest.
- 7. Multiple Choice
Which is a likely reason for an animal to have an adaptation of hooves?
The hooves are strong and powerful to be used in hunting.
To aid swimming, many animals have adapted webbed feet. Webbed feet help animals propel themselves through the water with ease. This can help the animal swim faster to catch prey or escape a predator.
In most cases, animals with hooves use their specially adapted feet to maneuver in a rocky environment. Hooves protect the feet of these animals and allow for greater mobility than unprotected feet.
Sharp claws can be used for many different purposes. For instance, many herbivores use their sharp claws for digging for berries, roots, and herbs or burrowing for shelter. Animals that eat meat may use their claws for killing their prey or tearing meat from their kills
- 8. Multiple Choice
Which adaptation is most likely to help animals swim in the water?
mimicry
webbed feet
long tail
camouflage
- 9. Multiple Choice
Which adaptation helps a predator see its prey easily?
feathers
molars for teeth
eyes in the front of the skull
eyes on the side of the skull
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