WorksheetsComparing Ecosystems
Total questions: 16
Worksheet time: 12mins
A disease reduces the number of young salmon in a river. Which population will MOST likely increase as a result?
trout and eagle
algae and trout
sculpin and algae
Which lists animals that live in an aquatic ecosystem?
black bear, deer, vole
ducks, turtles, amphibians
panthers, monkeys, snakes
Bryson is comparing two different ecosystems and creates the following list of similarities: aquatic, diverse fish life, high salt concentration, plentiful light at the water's surface. Which two ecosystems is Bryson most likely comparing?
ocean and lake
estuary and ocean
grassland and pond
Which is a difference between abiotic and biotic factors?
Abiotic factors are plants and biotic factors are animals.
Abiotic factors are all living things and biotic factors are all nonliving things.
Abiotic factors are all nonliving things and biotic factors are all living things.
Which is most accurate in describing an estuary ecosystem?
High salt levels keep the water clear of nutrients and proteins.
Freshwater mixes with saltwater to provide a nutrient-rich environment.
Cold water mixes with saltwater to create a cooling effect that encourages growth.
Which type of ecosystem has the greatest variation in temperature from its top to its bottom?
lake
pond
ocean
estuary
Which ecosystem is most similar to an estuary?
salt marsh
ocean
pond
Which ecosystem has lifeforms most similar to those of the ocean?
estuary
lake
pond
swamp
