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WorksheetsEcosystem Interactions Quiz
Total questions: 10
Worksheet time: 10mins
Which of the following are biological components of an ecosystem? Click ALL answers that apply!
Deer
Fish
Water
Grass
Sand
What are the physical components shown in this ecosystem picture? Click ALL answers that apply!
Water
Kelp (seaweed)
Rocks
Urchins
Sea floor
What is the correct definition of an ecosystem?
A community of living things living in an area.
A community of living and non-living things interacting in an area.
A group of sea otters living in the kelp forest.
A group of non-living things interacting in an area.
Which is NOT an example of a population?
Sea otters living in Monterey Bay
Grizzly bears living in Alaska
All of the people living in Fresno
All of the animal species in California
Which is NOT an ecological reason that people can only legally hunt bucks (male deer)?
Females are too small to eat
Females may be pregnant
Females need to be available to reproduce (have babies)
Females may be nursing young
True or False? Dead trees are considered a physical component of an ecosystem.
True
False
Which of the following is NOT an example of biological and physical components interacting in an ecosystem?
Urchins eating kelp in a kelp forest
Sea otter using rocks to open clams for food
Deer drinking water from a stream
Trees growing their roots into sediment
What could happen to the forest ecosystem if people do not follow the "game regulation" laws for hunting deer?
The deer will take over Fresno
The grass and trees will die
Deer will go extinct (die off)
Bucks will fight with each other too much
When sea otters were over hunted by humans in the 1800's, how did it effect the urchin population?
Urchin populations increased and they ate all of the kelp
Urchin populations decreased and they all died
When sea otters were over hunted by humans in the 1800's, how did it effect the kelp population?
The kelp population was happier and thrived
The kelp population grew too much and suffocated the fish
The kelp population died from pollution
The kelp population was completely eaten by urchins
