Chapter 4 Interactions Within Ecosystems A

Multiple Choice

Which of the following best describes the focus of ecology?

• The study of chemical reactions in living organisms

• The study of the interactions between living organisms and their environments

• The classification of living organisms

• The study of the physical structure of plants and animals

Multiple Choice

Which of the following best defines the environment?

• The surroundings of an organism that affect its life and development.

• Only the living things around an organism.

• Only the non-living things around an organism.

• The place where an organism sleeps.

Multiple Select

Which of the following are examples of abiotic factors?

• Water

• Plants

• Animals

• Air quality

Fill in the Blanks

The biosphere is all the parts of Earth that support

.

Multiple Choice

Which of the following correctly represents the order of classification for biotic factors?

• Kingdom - Phylum - Class - Order - Family - Genus - Species

• Kingdom - Class - Phylum - Order - Family - Genus - Species

• Species - Genus - Family - Order - Class - Phylum - Kingdom

• Phylum - Kingdom - Class - Order - Family - Genus - Species

Multiple Select

Which of the following statements about an organism's niche is/are correct?

• A niche includes both living and non-living parts of an ecosystem.

• If two species share the same niche, they will have various interactions.

• Habitat and niche mean exactly the same thing.

• An organism's niche determines its role in the ecosystem.

Fill in the Blanks

Niche refers to an organism's role or

in the ecosystem.

Fill in the Blanks

Ecology is the study of the interactions between living organisms and their

and abiotic environments.