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WorksheetsPopulation Ecology Review
Total questions: 12
Worksheet time: 15mins
What is ecology?
the study of interactions between organisms and their environments
the study of animals
the study of how genes are passed down from generation to generation
the study of rocks
Match the following levels of classification to the pictures:
Organism
Population
Community
Ecosystem
Match the following levels of classification to their definitions:
1 individual
Organism
All the same species
Population
All the different living things
Community
All the biotic and abiotic things
Ecosystem
All the living things in an ecosystem are the (a) factos. The nonliving things are (b) .
Select all that apply: Which of the following are biotic factors?
Rocks
Water
Moss
Bacteria
Select all that apply: Which of the following are abiotic factors?
Sand
Water
Animals
Plants
What two factors increase the population size?
Births
Deaths
Immigration
Emigration
What two factors decrease the population size?
Births
Deaths
Immigration
Emigration
Carrying capacity is the (a) number of organisms that can survive in an area based on the available (b) , such as food and water.
Draw a line to show the carrying capacity
In a forest, the carrying capacity for squirrels is about 100. If humans cut down part of the forest to build houses, what will happen to the carrying capacity for the squirrels?
it will increase
it will decrease
it will stay the same
A population of foxes has 36 individuals. In one year, 10 baby foxes are born and 6 older foxes die. The population at the end of the year is (a) .
