Ecosystems 4 Review

What is the main reason grasslands do not become deserts?

• High temperatures

• Enough rainfall

• Strong winds

• Longer Summers

What is the benefit of the dark soil in grasslands?

• It is sandy

• It is nutrient-rich

• It is rocky

• It is dry

What is the primary diet of large grass-eating animals in grasslands?

• A) Insects

• B) Seeds

• C) Grass

• D) Small animals

What is the role of bacteria in grasslands?

• A) Pollinating plants

• B) Breaking down matter

• C) Hunting prey

• D) Building nests

What is shown in the diagram?

• A food web

• A food chain

• List of producers

• Abiotic

What do deer, rabbits, beavers, crickets, and grasshoppers primarily eat in the forest?

• Only animals

• Only plants and berries

• Both plants and animals

• Mostly larger animals

Which of the following are examples of decomposers?

• Deer and rabbits

• Bears and cougars

• Bacteria, fungi, slugs, and worms

• Skunks and mice

What is the role of a producer in a food chain?

• To eat other animals

• To combine sunlight, air, and water to make food

• To decompose dead organisms

• To provide shelter for other animals

What does a food web show?

• The diet of a single animal

• How living things in an environment depend on one another for food

• The migration patterns of animals

• The growth rate of plants