Ecosystems

Front

Which of the following is an example of an interaction between a living and nonliving organism? a snake using a mouse for food, a worm using the soil as shelter, a bird using an insect for food

Back

a worm using the soil as shelter

Answer explanation

The correct choice is 'a worm using the soil as shelter' because it illustrates an interaction between a living organism (the worm) and a nonliving component (the soil), unlike the other options which involve interactions between living organisms.

Front

Is fire a natural event that causes a change in the environment?

Back

Yes

Answer explanation

Yes, fire is a natural event that can occur due to lightning or volcanic activity. It significantly alters the environment by affecting ecosystems, soil composition, and air quality, making it a natural event that causes change.

Front

Is a hurricane a natural event that causes a change in the environment?

Back

yes

Answer explanation

Yes, a hurricane is a natural event characterized by strong winds and heavy rain, which significantly alters the environment, causing damage to ecosystems, landscapes, and human structures.

Front

Is people cutting down trees a natural event that causes a change in the environment?

Back

no

Answer explanation

No, people cutting down trees is not a natural event; it is a human activity that significantly alters the environment, leading to deforestation and habitat loss.

Front

Are floods a natural event that causes a change in the environment?

Back

yes

Answer explanation

Yes, floods are natural events caused by excessive rainfall or other factors. They significantly alter the environment by reshaping landscapes, affecting ecosystems, and impacting human settlements.

Front

Is building roads a natural event that causes a change in the environment?

Back

no

Answer explanation

No, building roads is not a natural event; it is a human-made activity that intentionally alters the environment, unlike natural events which occur without human intervention.

Front

A deer eats from Farmer McClard's cornfield. A flood destroyed the field of crops. What will happen to the deer now that the corn is destroyed?

Back

The deer will leave the area to find food.

Answer explanation

With the cornfield destroyed, the deer will no longer have food available. Therefore, it will leave the area to search for alternative food sources, making 'The deer will leave the area to find food' the correct choice.

Front

To solve the flood hurting the cornfield, the community decided to build a grocery store in the field. Is this a good solution to the problem?

Back

no

Answer explanation

Building a grocery store in the cornfield does not address the flooding issue. Instead, it could worsen the problem by covering the land and preventing proper drainage, making it an ineffective solution.

Front

Which of these organisms is a producer? strawberries, insect, mouse, owl

Back

strawberries

Answer explanation

Strawberries are producers because they perform photosynthesis, converting sunlight into energy. In contrast, insects, mice, and owls are consumers that rely on other organisms for food.

Front

What is a source of energy for the mouse? Options: strawberries, insects, other mice, owls

Back

insects

Answer explanation

Insects are a primary food source for mice, providing essential nutrients and energy. While strawberries and other mice can be food sources, insects are more commonly consumed by mice in the wild.