WorksheetsEcosystems Review - Part 1
Total questions: 10
Worksheet time: 8mins
The chart shows the human population and the fox population in an area. Which best explains the relationship between the human and fox populations in the ecosystem?
Humans compete for the same prey as foxes, causing the fox population to drop.
Humans compete for the same space as foxes, causing the fox population to drop.
Humans are affected by the same diseases as foxes, causing both populations to change in the same way.
Humans are affected by the same predators as foxes, causing both populations to change in the same way.
The graph shows the relationship between available space in an ecosystem and a population of rabbits. How would the rabbit population be affected if land was cleared to build a housing development?
The rabbit population would increase.
The rabbit population would decrease.
The rabbit population would remain stable.
The rabbit population would rise temporarily, then fall.
A forest food web includes rodents, snakes, and great horned owls.
Snakes eat rats.
Great horned owls eat mice and snakes.
How will the owls most likely be affected by a sudden sharp increase in local populations of rodents?
The owl population will either stabilize or increase.
The owl population will migrate to another area.
The owls will have to find another food source or risk starvation.
Owls will have to compete with each other for available food.
The diagram shows the food web of a forest ecosystem.
Which would be negatively affected by an increase in the beetle population?
Frog
Grass
Robin
Snake
The diagram shows the feeding relationships between six organisms.
Which organism would most likely compete for food resources?
R and S
S and T
T and W
V and W
Which would a drought most likely affect?
all organisms in a particular ecosystem
only the plants in a particular ecosystem
only the animals in a particular ecosystem
What best describes the reaction of a new population to an increase in the amount of space it occupies?
The population will die out.
The population will remain constant.
The population will grow exponentially.
Which would happen to fish in a pond where the population of algae increases?
A decrease in oxygen causes many fish to die.
An increase in nutrients allows for healthier fish.
A decrease in nutrients causes fish to become malnourished.
What term describes how a species meets its need for food and shelter and how it reproduces?
niche
habitat
environment
Which is the place where a member of a population lives and finds food?
space
habitat
shelter
population
