Case Test Review

What is an organism that makes their own food?

• consumer

• producer

• stomata

• vegetarian

What 3 things do plants need for the process of photosynthesis?

• Sunlight, oxygen and sugar.

• Water, soil and oxygen.

• Sunlight, carbon dioxide and water.

• Sunlight, soil and water.

What are the products of photosynthesis?

• water and carbon dioxide
• oxygen and glucose
• oxygen and carbon dioxide
• oxygen and water

What do the arrows show in a food chain picture?

• They always point to the smallest animals.
• They point to the animal that tastes the best.
• They always point to the producers.
• They point in the direction that energy is flowing.

Based on the food chain, what effect would be the most likely direct result of increasing the number of fish?

• Beetles would have trouble finding food.

• There would be more kinds of plants.

• The population of beetles decreased.

• Plants would no longer survive in this habitat.

Organisms that eat plants and animals are called:

• producers.

• consumers.

• decomposers.

• herbivores.

Which is NOT true about earthworms' role in the environment?

• They mix and loosen soil

• They break down decaying plant material

• They eat plants' roots

• They release nutrients plants need to grow

The dropping off of eroded soil and bits of rock

• weathering

• vegetation

• erosion

• deposition

The weathering of rocks caused by growth of tree roots

• gravity

• frost wedging

• abrasion

• tree root wedging

The side of Earth facing towards the Sun is _____.

• Daytime

• Nighttime