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WorksheetsUnit Review
Total questions: 30
Worksheet time: 1hrs 3mins
Using food web which of the following is a secondary consumer?
snake
worm
butterfy
squirrel
Using the food web what would happen if the eagle became extinct?
The frog population would decrease.
The frog population would increase.
The butterfly population would increase.
The snake population would decrease.
Which of the following would be the most likely effect, if there were a sudden increase in the cricket population?
There would be a decrease in the small bird population.
There would be a decrease in the grass/flowers population.
There would be a decrease in the mice population.
There would be an increase in the grass/flowers population.
Which is the most likely scenario to happen if the top predator in an ecosystem is eliminated from it?
decomposers will adjust to become the top predator
animals that are normally prey would overpopulate and over eat
herbivores would evolve and become carnivores
herbivores would reproduce more and eat less producers.
A hollow, sealed glass sphere contains sand, water, air, algae, and tiny brine shrimp. The sphere is a model ecosystem. Which of these is a biotic factor of this ecosystem?
air
algae
sand
water
Refer to the diagram. Which list includes abiotic factors only?
Items A, C, D
Items B, C, E
Items A, D
Items A, B, C, D, E
In many desert ecosystems, days are hot and nights are cold. Water is scarce, so animals seek water wherever possible. The spines of a cactus are actually leaves adapted to conserve water. The cactus plants have also adapted to live in thin, sandy soil. Which of the following is a biotic component of a desert ecosystem?
the thin, sandy soil
the wide temperature range
the scarcity of water
the spiny cactus leaves
Which of the following MOST completely describes the components of a pond ecosystem?
the soil and water that make up the pond
the organisms and non-living environment in and around the pond
the plants and animals that live in and around the pond
the fish and other aquatic animals in the pond
What terms should replace X and Y in the table?
elements; compounds
abiotic; biotic
microscopic; macroscopic
natural; man-made
Which is an example of a biotic factor in the environment?
The climate in the region
Carnivores that consume other animals
Amount of helium gas in the air
Flow of water in a river
Which of the following is an abioitic factor that could affect biotic factors?
Population of rabbits.
Length of daylight.
Presence of harmful bacteria.
Number of herbivores.
Which diagram models the process of compaction leading to the formation of sedimentary rock? (5.7A)
What is this landform?
delta
canyon
valley
sand dune
This landform is formed by
water erosion
weathering
deposition of sediments
glaciers
A triangular landform where a river empties into another body of water.
Landform
Canyon
Delta
Valley
A deep gorge in the surface of Earth formed by the erosion of moving water and sediment.
Valley
Delta
Canyon
Landform
The build up of land by the settlement of sediments and soil in a new location.
Weathering
Erosion
Deposition
River
A glacier is a large piece of ICE that moves down hill.
True
False
This landform is formed by
water erosion
wind erosion and deposition
glaciers
weathering
What is this landform?
canyon
delta
valley (U-shaped)
arch
This landform was formed by
ice erosion (from a glacier)
water erosion
wind erosion
weathering
