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Decomposers such as fungi, insects, and molds get their energy from __________.

• Water

• Decaying plants and animals

• Fertilizer

• All of the above

The student draws a diagram to show the roles of the producers, consumers, and decomposers in the rainforest. How is the role of the decomposers different from the role of the producers?

• The decomposers eat the plants to get energy.

• The decomposers make food using energy from the sun

• The decomposers provide nutrients for the atmosphere.

• They decomposers break down dead organisms.

Which of the following statements about producers is CORRECT?

• they make their own food

• they eat other organisms

• they make things other than food

• they obtain food by breaking down the remains of other living things

All animals in an ecosystem depend on __________ for energy.

• Decomposers

• Producers

• Consumers

• Herbivores

A student wants to build a model of a grasslands food chain that includes a frog, grasshopper, snake, and grass. Which organism belongs in this food chain immediately after the Sun?

• Grass

• Frog

• Snake

• Mosquito

Non-living things in an ecosystem

• abiotic
• biotic
• limiting factors
• carrying capacity

Which is an abiotic part of an ecosystem?

• feather
• dead log
• spider web
• clouds

Populations contain more than one member of the species. Which one of these is a population?

• Deer and mice
• 10 squirrels
• squirrel
• squirrel, deer, and mice

What does the word organism mean?

• Living thing
• Nonliving thing
• Organs in your body
• Organ player

The role of plants in a food web is 

• consumer
• decomposer
• predator
• producer