Matter and Energy in Ecosystems

A consumer gets energy by

• absorbing sunlight.
• breaking down dead organisms.
• soaking it up from the ground.
• feeding on other organisms.

All the living and nonliving things interacting in a particular area create an ________________.

• ecosystem
• biodome
• playground
• park

Which are decomposers ?

• humans
• trees
• red wolves
• worms

The shrew provides energy for the _______?

• cricket
• grasshopper
• frog
• snake

What is this called?

• Food Web
• Food Chain
• Abiotic Factors

Which is the correct sequence to show how organisms live in an environment?

• decomposer-->consumer-->producer
• consumer-->decomposer-->producer
• producer-->decomposer-->consumer
• producer-->consumer-->decomposer

What does a Secondary Consumer eat?

• Tertiary Consumers
• Primary Consumers
• Producers
• Secondary Consumers

Which organism recieves the least amount of energy from the producer?

• Owl
• Grasshopper
• Lilypad
• Mouse

Which of the following is an example of a biotic factor in an ecosystem?

• sunlight
• stream
• rock
• tree

Most producers get energy from the Sun using the process of

• cellular respiration
• chemosynthesis
• photosynthesis
• consumption