4.14 Fresh water

4.14 Fresh water

Multiple Select

What are examples of wetlands?

Choose all that apply.

• estuaries

• bogs

• marshes

• wet meadows

Multiple Choice

Estuaries are the place where rivers flow into the sea, and the freshwater they contain meets and mixes with salty seawater.

• True

• False

Multiple Choice

_________ are special features or body parts that living things use to help them survive in a biome.

• habitats

• rivers

• biomes

• adaptations

Multiple Choice

Freshwater biomes depend on the ___________.

• carbon cycle

• water cycle

• nitrogen cycle

• phosphorus cycle

Multiple Choice

River plants have to cope with moving water. Plants, like eelgrass, have short wide leaves so they don't get washed away.

• True

• False

Multiple Select

Choose ALL that apply for mangroves.

• Mangroves have bladders in their leaves to dilute the seawater.

• Holes in the central stem take in air for the roots of the mangrove.

• Mangroves have leaves that contain glands, which expel salty water

• Aerial roots act as support to hold their tops above water.

Multiple Choice

Glasswort and samphire plants store freshwater in pouches, called bladders, in their leaves to dilute the saltwater

• True

• False

Multiple Choice

Crabs, lobsters, and crayfish have a suit of armor that protects their soft bodies called an ____________.

• thorax

• calcium

• exoskeleton

• abdomen

Multiple Select

Choose ALL that apply for raft spiders

• Raft spider's light weight and large surface area allow it to walk on water.

• Raft spider's heavy weight and small surface area allow it to walk on water

• Raft spider's legs have a waxy surface that repels water

• Raft spiders sprint along submerged plants to catch underwater prey.

Multiple Choice

Hippos feed on _____________ and use __________ and water to keep cool in the hot African sun.

• wetland mud, wetland grasses

• wetland mud, wetland trees

• wetland trees, wetland mud

• wetland grasses, wetland mud

Multiple Choice

River plants have to cope with moving water. Plants, like eelgrass, have short wide leaves so they don't get washed away.

• True

• False