Ecosystems - NC EOG 5th grade

Which organism is a producer?

• Frog

• Mushroom

• Grass

• Lizard

Which is most responsible for recycling dead plants and animals in an ecosystem?

• Water

• Bacteria

• Fish

• Insects

How would the woodpecker population in a forest area most likely be affected if a housing development is built in that area?

• They would produce more offspring.

• They would change the colors of their feathers.

• They would experience a decrease in available food.

• They would experience a decrease in competition.

After it rains, a puddle remains on the sidewalk. After a day of sunshine, the puddle is gone. Which process is most responsible for the disappearance of the puddle?

• Precipitation

• Transpiration

• Evaporation

• Condensation

In a grassland ecosystem, if the population of eagles suddenly decreased, what will most likely be the effect on the rest of the ecosystem?

• The ecosystem will become overpopulated with snakes.

• There will be a decrease in the population of snakes in the ecosystem.

• The nutrition of the soil in the ecosystem will decrease.

• More types of plants will begin growing in the ecosystem.

Which process allows green plants to control the amount of water stored in their leaves?

• Photosynthesis

• Condensation

• Respiration

• Transpiration

One morning Jane notices drops of water outside her window. Later in the day, she notices that the drops have disappeared. What most likely caused the drops to disappear?

• The water condensed on the plants around the house.

• Energy from the sun caused the water to evaporate.

• The water cooled enough to turn into water vapor.

• Wind blowing on the window turned the water into vapor.

Which is an example of a decomposer?

• Hawk

• Mouse

• Flower

• Mushroom

As more people have moved to the beach, the sea turtle population has decreased. Which is most likely the cause of this decrease?

• Tropical storms

• Increase in predators

• Habitat loss

• Warmer Temperatures

Which will most likely cause a decrease in predator populations?

• An increase in prey populations

• A decrease in prey populations

• A decrease in decomposers

• An increase in producers