Ecology #1- Relationships

Which example best illustrates the definition of a community?

• All the blue whales in the world.

• A herd of bison living in Yellowstone Park.

• The temperate grassland ecosystem in the American midwest.

• A tropical reef aquarium with many different types of fish and corals.

All the elephants living in a wildlife preserve would be considered a

• community

• group

• individual

• population

All the living things in a forest make up a(n)

• ecosystem

• community

• environment

• temperate zone

What level of organization is defined as the interaction between organisms in a community and the environment in which they live?

• organisms

• ecosytems

• populations

• communities

Plants and animals live together in the pond and interact. They are part of a ______ in the pond.

• community

• family

• habitat

• population

A nonliving element in an ecosystem is an 

• animal
• abiotic factor
• biotic factor
• organism

Which of the following is not an abiotic factor?

• sun
• temperature
• soil
• grass

The living parts of an ecosystem.

• biotic

• abiotic

A habitat where plants, animals, and microorganisms interact with each other other and their natural surroundings.

• environment

• ecosystem

• food web

• food chain

Which BEST represents the biotic components of an ecosystem?

• plants, animals, and climate
• producers, moisture, and consumers
• producers, decomposers, and consumers
• sunlight, atmospheric pressure, and temperature