Checkpoint review

Compare the penguin and pumpkin life cycles below.

Describe how the two life cycles are the same.
(SELECT ALL THAT APPLY)

• They both have a 

  repeating cycle.

• They both come from eggs

• They both have  adults.

• They both grow 

  throughout their life cycle.

• They both come from seeds

Compare the penguin and pumpkin life cycles below.

Describe the differences between the two life cycles.

(SELECT ALL THAT APPLY)

• Penguins life cycle repeats but the pumpkins life cycle doesn't

• Penguins come from eggs but pumpkins come from seeds

• The pumpkin needs soil to grow

• The pumpkin has more stages in their life cycle than a penguin

• The pumpkin has a flower stage and a fruit stage and the penguin doesn't

Students read a book about animals from Australia and recorded notes in a table. The animals listed eat eucalyptus leaves in tall trees.

How are the animals' structures helpful for getting food?

• All three animals have fur that protects them from the bark of the eucalyptus trees.
• All three animals use their tails like a leg to climb up to the eucalyptus leaves.
• All three animals use their sharp claws to climb up to the eucalyptus leaves.

Tags

3.13.A

The drawing below shows the fossils found in four rock layers.

Which of these lists the fossils from oldest to youngest?

• 
• 
• 
• 

Tags

3.12.D [S]

3.3.A

The picture shows a pond environment.
Which is most likely to happen if this pond environment stops getting rain?

• The number of herons near the pond will rise. The snapping turtles will die. More ducks will move into the pond.
• Fish in the pond will die. Alligators will move to a new location. Land plants will start to grow in the soil of the pond.
• Alligators in the pond will die. The ducks will move to a new pond. The number of water lilies in the pond will increase.
• The number of snapping turtles in the pond will rise. The fish will swim to a new pond. More alligators will move into the pond.

Tags

3.12.C

Observe the food chain above. Which organism’s population would increase if finches were removed from the ecosystem?

• Grass
• Grasshopper
• Snake
• Hawk

Tags

3.12.B

A student observed a picture of a pond ecosystem.

The Sun provides energy to the plants. Some animals eat plants to survive. Other animals, like frogs, eat insects and other animals.

What would most likely happen if the frog were removed from the ecosystem?

• There would be an increase in plant populations.
• There would be a decrease in sunlight.
• There would be an increase in insect populations.
• There would be a decrease in water levels.

Tags

3.12.B

During the fall, bears will eat extra food and chipmunks will find seeds to store for eating later. Why are these animals most likely eating and storing extra food?

• These animals are preparing to hibernate during the cold winter.
• These animals are preparing to migrate and will need the food for the journey.
• These animals are preparing to survive a flood, and all their food will be washed away.

Tags

3.12.A

• 
• 
• 
• 
• 

Explain why this apple orchard is in dormancy.

• The temperature becomes too cold during the winter
• The temperature becomes too warm during the summer
• The temperature becomes too cold during the summer

Tags

3.12.A