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WorksheetsPRETEST: Ecosystems
Total questions: 15
Worksheet time: 75secs
an area that tends to receive little rain and has extreme temperatures with very hot days and cool nights
desert
tundra
grassland
a large system of animals, plants, and organisms that live together in a particular space
ecosystem
habitat
microhabitat
a treeless wetland with tall grasses
marsh
swamp
wetland
a wetland with tall trees and thick vines
swamp
marsh
lake
an area where the ground is covered by water most of the year
wetland
marsh
swamp
A/An ________ is a large system of plants, animals, and organisms as well as the types of climate and landforms in which they live.
land ecosystems
savannas
estuary
________ are tropical grasslands that have clumps of trees and many grasses.
Grasslands
Savannas
Land ecosystems
A/An ________ is a body of water that forms when freshwater from a river or stream mixes with salt water from a bay or ocean.
coral reef
estuary
lake
________ is the frozen layer of soils below the top layer of the ground in the tundra.
Permafrost
An estuary
An ecosystem
________ ecosystems are the most diverse ecosystems, containing a variety of plants, fish & marine animals.
Coral reef
Water
Ocean
A forest is an example of a ________ ecosystem.
land
desert
marine
________ ecosystems are examples of marine ecosystems.
Coral reef
Estuary
Both
________ ecosystems are sources for drinking water.
Freshwater
Marine
Estuary
What are the four main land ecosystems?
forest, grassland, desert, tundra
temperate forest, rain forest, coniferous forest
grassland, temperate forest, desert
What are the three freshwater ecosystems?
ocean, estuary, lake
lake, river, wetland
ocean, marine, river
