9.3 Quiz - 8th

What is the best description of a wetland?

• An area where the ground is always covered by water, and the water is saltwater.

• An area where the ground is polluted and flooded.

• An area where the ground is soaked or covered for most of the year, and can be freshwater or a combination of fresh and saltwater.

Temperature, light, air, water, soil, and climate are all __________ parts of the environment.

• biotic
• abiotic
• living
• biome

Which of these is NOT a freshwater ecosystem?

• a river

• a lake

• an estuary

• a stream

What do you call water with very low salinity?

• Freshwater
• Saltwater
• Marine
• Estuarine

A semi-enclosed area where fresh water from a river meets salty water from the sea.

• Watershed

• Groundwater

• Estuary

• Ocean

What is an example of a parasite/host relationship in a freshwater ecosystem?

• An insect eats algae

• bacteria lives in a deer's intestines

• A bear finds shelter in a cave

• A bat hunts a mosquito

An alligator eats a fish. How would you describe this interaction.

• parasite/host

• host/producer

• predator/prey

• producer/consumer

a tapeworm lives inside a fish and takes energy and nutrients from it. What is the fish in this relationship?

• producer

• prey

• parasite

• host

Which one is not an abiotic factor that affects an estuary?

• Temperature

• Water depth

• Oxygen levels

• Algae

Where are examples of freshwater ecosystems found?

• In Still Water

• In the ocean

• In moving water

• In coral reefs