Ecosystems

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

• yes

• 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.

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?

• The deer will plant more crops.

• The deer will leave the area to find food.

• None of the Above

Answer explanation

With the cornfield destroyed, the deer will no longer have food available in that area. Therefore, it will leave to find food elsewhere, making 'The deer will leave the area to find food' the correct choice.

The parts of the food chain in the picture are out of order.  Which picture should be second in the food chain shown?

• snake

• sun

• carrot

• rabbit

Answer explanation

In a food chain, the sun provides energy to plants, which are primary producers. The carrot, as a plant, should be second in the food chain, following the sun, as it converts sunlight into energy for the next consumers.

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

• yes

• 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.

Which of these organisms is a producer?

• strawberries

• insect

• mouse

• owl

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.

The parts of the food chain in the picture are out of order.  Which picture should be last in the food chain shown?

• snake

• sun

• carrot

• rabbit

Answer explanation

In a food chain, the snake is a predator that feeds on the rabbit, which in turn eats the carrot. Therefore, the snake should be last in the food chain as it is at the top of this sequence.

What is the primary source of light and food energy on Earth?

• the Stars

• the Moon

• the Sun

Answer explanation

The primary source of light and food energy on Earth is the Sun. It provides the necessary sunlight for photosynthesis, which is essential for plant growth and, consequently, the food chain.

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

• yes

• no

Answer explanation

Yes, floods are natural events caused by excessive rainfall or other factors, leading to the overflow of water onto land. They significantly alter the environment, affecting ecosystems, landscapes, and human settlements.

What would the insect be considered?

• Producer

• Consumer

• Fungus

Answer explanation

The insect is classified as a consumer because it feeds on other organisms for energy, unlike producers that create their own food through photosynthesis.

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

• yes

• 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.