Biotic and Abiotic Review

Which of the following best describes the biosphere?

• A small community of plants and animals.

• The part of Earth that supports life.

• A single type of ecosystem.

• A specific region of a forest.

Which of the following is considered a biotic factor?

• Water

• Sunlight

• Plants

• Rocks

Which of these is NOT a biotic factor?

• Animals

• Bacteria

• Soil

• Fungi

What are abiotic factors in an ecosystem?

• Living parts of an ecosystem

• Nonliving parts of an ecosystem

• Animals in an ecosystem

• Plants in an ecosystem

Which of the following is a component of weather as an abiotic factor?

• Soil

• Light

• Air

• Animals

Why is a habitat important for an organism?

• It provides entertainment

• It supplies necessary survival factors

• It is a place to hide from predators

• It is a place to find friends

What is a niche in an ecosystem?

• The physical space an organism occupies

• The role or function of an organism within its ecosystem

• The food an organism eats

• The lifespan of an organism

What is a species?

• A group of organisms that share most characteristics and can breed with one another.

• A single organism living in isolation.

• A group of organisms that cannot breed with one another.

• A random collection of different organisms.

Which animal is used as an example of a population in the text?

• Black bears

• White tail deer

• Gray wolves

• Red foxes

Which animal is NOT mentioned as part of the wetland community in NC?

• White-tailed deer

• Black bears

• Elephants

• Raccoons