6.12A Biotic & Abiotic Factors

Plants that live on the floors of densely populated forests must compete for sunlight.

Which type of leaves are most likely found on plants that are best suited to living on the floor of a dense forest?

• Leaves that are needle-shaped

• Leaves that are smallest

• Leaves that store the greatest amount of water

• Leaves with the greatest amount of surface area

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An arctic blast pushed its way through several of the Northern state in the United State. The temperatures dropped below freezing for several days. Temperature is an example of which type of factor?

• Biotic

• Abiotic

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An angler fish has a fleshy growth on its head that gives off light. This part acts as a lure to help the angler fish catch its prey. An anglerfish is an example of which type of factor?

• Biotic

• Abiotic

What is the difference between the biotic and abiotic factors?

• Biotic factors are living things and abiotic factors are nonliving things.

• Biotic factors are nonliving things and abiotic factors are living things.

Which is an example of an abiotic factor in a pond environment?

• The water

• A frog

• A grasshopper

• A snake

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What abiotic factor would plants compete for?

• Food

• Sunlight

• Parasites

• predators

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What does the Bacteria use as a food source?

• small mammals

• grasses, brush, cacti

• dead plants, dead animals

• small frogs, worms, insects

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Choose all the biotic factors listed

• sunlight

• food

• predators

• disease

• water

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Choose all the abiotic factors listed

• water

• mates

• space

• temperature

• predators

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What are the abiotic factors in this image?

• water, sunlight, dirt, air

• birds, trees, and sunlight

• water, trees, and birds

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