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

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.