Introduction to Ecology Review Worksheet

What is the biosphere?

• The part of Earth with living organisms

• The study of how organisms interact with their environment

• A community of different populations

• The movement of cougars and their care for young

What does an ecosystem include?

• Only living organisms like plants and animals

• Only nonliving things like soil and water

• Both living and nonliving things in an area

• Only the study of animal behavior

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What would an ecologist possibly study at Laguna Atascosa National Wildlife Refuge?

• The effect of rain on the Rio Grande Valley

• The interaction between hawks and snakes

• The migration patterns of the monarch butterflies

• The care of young by cougars

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What is a community in ecological terms?

• A group of people living in the same place

• A single population of a species in an ecosystem

• All the populations in an ecosystem

• The nonliving components of an ecosystem

The biosphere is

• A single living organism

• The layer of Earth where life exists

• A group of ecosystems that share similar climates and organisms

• A collection of all the continents

An ecosystem is

• A community and its nonliving surroundings

• A group of interacting populations

• A single species in its natural habitat

• The same as a biosphere

Ecology is

• The study of human environments

• The study of weather patterns

• The study of interactions among organisms and their environment

• The study of geological formations

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A population is

• A group of different species living together

• All the members of one species in a particular area

• The total number of ecosystems in a region

• A community of nonliving elements

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A community is

• A single species and its nonliving environment

• A group of people living in the same place

• All the living organisms in an ecosystem

• The same as a population

A habitat is

• A place where an organism goes for vacation

• The role an organism plays in the community

• A place where an organism lives and which provides its needs

• A large area like a rainforest or desert