Exploring Ecosystems and Food Chains

What is the primary source of energy for most ecosystems?

• Decomposers

• The Sun

• Consumers

• Owl pellets

Which of the following is a producer in an ecosystem?

• Owl

• Plant

• Worm

• Fox

What role do consumers play in a food chain?

• They produce energy from sunlight.

• They break down dead material.

• They eat other organisms for energy.

• They create waste for decomposers.

Tags

CCSS.RI.5.3

Why are decomposers important in an ecosystem?

• They produce food for plants.

• They recycle nutrients back into the soil.

• They provide energy for the Sun.

• They consume producers.

Tags

CCSS.RI.5.3

What is the function of a producer in an ecosystem?

• To decompose organic material

• To consume other organisms

• To create energy from sunlight

• To produce waste

Which of the following is an example of a decomposer?

• Grass

• Rabbit

• Mushroom

• Hawk

What is the impact of consumers on an ecosystem?

• They increase the amount of sunlight.

• They help control the population of other species.

• They produce oxygen for plants.

• They decompose dead organisms.

Tags

CCSS.RI.5.3

What can be learned from dissecting owl pellets?

• The types of plants in an area

• The diet of the owl

• The amount of sunlight in an ecosystem

• The role of decomposers

Tags

CCSS.RI.5.2

In a food chain, what is the role of the sun?

• To decompose organic matter

• To provide energy for producers

• To consume other organisms

• To create waste

Tags

CCSS.RI.5.3

Which of the following is a direct impact of waste created by consumers?

• It provides energy for the Sun.

• It is broken down by decomposers.

• It increases the number of producers.

• It decreases the amount of sunlight.