Wetland Review

Look at the picture. What two natural resources can you find in this wetland?

See the picture of a marsh rabbit found in some wetland environments.  They eat plants, live in nests, and are prey to many other Wetland animals including snakes and coyotes. Marsh rabbits have large ears, whiskers, and strong powerful legs.  All three of these structures work together to allow the marsh rabbit to meet which one of the following needs?

• protect itself

• stay warm

• breathe oxygen

• get food

Here is a picture of a beaver. Beavers have many structures that allow them to survive in a wetland ecosystem.

• protects eyes underwater

• long, sharp teeth

• swims easily through the water

• clear eyelids

• keeps beavers warm and dry

• webbed feet

• cut trees for food and shelter

• waterproof coat

Here is a picture of a blue heron.

What structure is most helpful for the blue heron to get food?

• large wings and feathers

• long legs and neck

• blue color

• hollow bones

Cause: ​ (a)   ​ Effect: The birds migrate south during the winter.

• Cause:  It is cold in the north.
• Cause: The plants do not have enough water.

Cause: The plants do not have enough water during the winter. Effect: ​ ​ (a)  

• Effect:  They become dormant.
• Effect: They grow taller to save water.

The following pictures show the life cycles of a mealworm beetle and a ladybug. Which statement about the two life cycles is true?

• The ladybug life cycle has more stages than the mealworm beetle.

• The larvae of the mealworm beetle look like the larvae of the ladybug.

• There is a pupa stage in both life cycles.

• In both life cycles, the larvae stage looks like the adult stage.

What effect would most likely occur to this wetland ecosystem if it was drained in order to build a new store?

• More natural resources would be available.

• Frog populations would decrease.

• Frog populations would increase.

• Water pollution would decrease.

If all of the aquatic plants were removed from this food chain, which plant or animal population would decrease first?

• Pond snail

• Largemouth bass

• Bullfrog tadpole

If all of the largemouth bass were removed from this food chain, which plant or animal population would increase first?

• Pond snail

• Aquatic plant

• Bullfrog tadpole