Life Science Quiz

1. A plant's leaves get sunlight for the plant. They also let water leave the plant. Where a plant grows can affect the shape and size of a plant's leaves. In some places, the weather is cold and windy. There is little rain. These areas are called tundras. In tundras, plants have small leaves. Why does this plant have such small leaves?

• It needs to lose most of its water because it is so cold.
• It needs to have less shade because of the long winters.
• It needs to keep most of its water because it does not get much rain.
• It needs to move more because of the strong winds.

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

2. Look at the picture of the fish below. The arrow points to the part that is mainly used for _________.

• hearing
• movement
• protection
• breathing

3. Many types of trees grow a thick layer of bark. This bark helps trees to live in a number of different ways. Which of these is a way that bark helps trees to live?

• It turns into food for trees.
• It takes in water from the environment.
• It takes in light from the Sun.
• It protects trees from animals that want to eat them.

Tags

NGSS.4-LS1-1

4. The picture below shows a skunk. Skunks have structures called scent glands which help the skunks produce very bad-smelling odors. Why do skunks use their scent glands to produce the odors?

• to attract a mate
• to blend in better with the environment
• to protect themselves
• to get rid of wastes

5. The image below shows zebras in a large group called a herd. Which of the following best explains why zebras stay together in herds?

• to look for food and water
• to protect themselves from predators
• to have more space to live in
• to find a mate

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-4

6. Honeybees live in groups called colonies. When one honeybee finds a group of flowers, it returns and tells the other honeybees where to find the flowers. How does this help the other honeybees in the colony?

• It helps them get food.
• It helps them stay warm.
• It helps them compete with one another.
• It helps them defend the colony.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

7. Dolphins hunt in a group called a pod. They work together to hunt smaller fish. The dolphins swim around and under the fish. This makes the fish swim in a tight ball. Then, each dolphin swims through the ball of fish and takes big bites full of fish. How does hunting in a pod most likely help a dolphin survive?

• A dolphin hunting in a pod can hide from prey better.
• A dolphin hunting in a pod can find a mate.
• A dolphin hunting in a pod travels farther to find prey.
• A dolphin hunting in a pod can catch more prey.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-3

8. In forest habitats, squirrels depend on trees for food and shelter. However, as people cut down more and more trees to use for wood and paper products, many forests are getting smaller. Which of these would most likely happen to the squirrels living in a forest if the trees in the forest were cut down?

• The squirrels would have less food to eat.
• The squirrels would be able to have more babies.
• The squirrels would be able to hide from predators more easily.
• The squirrels would have more places to live.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

9. A wildfire destroys most of the plant life in a forest. What would most likely happen to the animals that lived in the forest?

• There would be no animals. They would not be able to adapt to the changes.
• There would be fewer animals. There would be less food available.
• There would be the same number of animals. They would be able to avoid the fire.
• There would be more animals. They would not have to compete with plants for water.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

10. If all the plants in a habitat suddenly died, what would happen to the animals?

• The animals would immediately start eating each other.
• The animals would plant new plants.
• The animals would leave the habitat to find food.
• The animal population would grow because they would have more space.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4