Life Science 4th Grade

What does "abiotic" mean?

• Only organisms that are alive today.

• Non-living factors in an ecosystem.

• Anything that is living or was once living.

• Animals that are now extinct.

Which group of organisms shows only abiotic organisms?

• dead leaf, lily pad, water, air

• sunshine, air, water, soil

• rocks, ladybug, fish, trees

• ladybug, fish, trees, cricket

"Biotic" factors in an ecosystem are _____________.

• Only organisms that are alive today.

• Non-living factors in an ecosystem.

• Anything that is living or was once living.

• Things that support living things, like sunshine and water.

Which group of organisms shows only biotic organisms?

• water, sunlight, rocks, air

• ladybug, lily pad, fish, soil

• dead leaf, lily pad, trees, lady bug

• rocks, air, fish, sunlight

Which organism uses sunlight to produce food that others eat?

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Which organism in the pond ecosystem completely changes its physical appearance and food source when it becomes an adult?

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Select two effects that weather has on Ohio's ecosystems.

• Too much rain can cause flooding and destroy farmland.

• Pollution can be bad for animals.

• Too little rain (drought) can dry up ponds and streams and animals won't have enough water.

• Oil spills can hurt or kill animals.

_____________ are producers who make food with sunlight, carbon dioxide, water, minerals, and chlorophyll, through photosynthesis.

• Animals

• Decomposers

• Plants

• Scavengers

Select the three types of animals, classified by their eating habits.

• Carnivores

• Omnivores

• Herbivores

• Bengalvores

Select the animal that can live in water,

but also can breathe on land, if the water dries up.

• sunfish

• turtle

• tadpole

• trout

  (fish)