Biotic/Abiotic Quiz

A prickly pear cactus takes in carbon dioxide. Which of the following was described?

• Two organisms interacting

• An organism interacting with a nonliving component of its ecosystem

• Two organisms competing for space

• A producer helping another producer

A bee consumes nectar from a flower. Which of the following was described?

• Two organisms competing for food

• A producer helping another producer

• An organism interacting with a nonliving component of its ecosystem

• An organism depending on another organism for energy

Bacteria live in the digestive system of an antelope. Which of the following was described?

• A consumer interacting with a producer

• A producer helping another producer

• An organism interacting with a nonliving component of its ecosystem

• An organism depending on another organism

Some bats live in a cave. Which of the following was described?

• Different species competing for food

• Organisms using nonliving components of their environment for food

• Organisms using nonliving components of their environment for shelter

• Organisms using living components of their environment for shelter

Which of the following does an oak tree need to survive?

• Carbon dioxide

• Wind

• Predators

• Oxygen

A student observed an open container filled with soil, decaying plants, and worms. Which of the following is most important to the worms’ survival?

• Carbon dioxide

• Oxygen

• Plastic

• Sunlight

Which of these describes a living organism that uses a nonliving component of its ecosystem to survive?

• A hermit crab inside a shell

• A bird nesting in a tree hollow

• Rabbits consuming grass

• A tree producing acorns

Which of the following is a nonliving component required by a red cardinal to survive?

• Carbon dioxide

• Seeds, berries, and insects

• Oxygen

• All of the above

Which organism obtains energy without directly depending on another organism?

• Mushroom

• Meadow lark

• Hawk

• Milkweed

Which of these describes how a ghost crab depends on living organisms to survive?

• A ghost crab preys on small crabs and clams.

• A ghost crab can run forward, backward, and sideways on the tips of its legs.

• A ghost crab hides by burrowing in the sand.

• Camouflage helps a ghost crab blend in with the sandy beach.