Is fungus a producer, consumer, decomposer, or scavenger?
decomposer
100
What type of organism is a cactus?
producer
100
What is the primary source of energy for a tree?
sunlight
100
Which of the following returns nutrients to the soil?
consumers, producers, or decomposers
decomposers
200
Complete the following sentence
In an energy pyramid, the higher the level is, the ___________ the animals
fewer
200
Name the three types of organisms
producers, consumers, decomposers
200
Why are decomposers important in an ecosystem?
They break down dead plants and animals
200
Which level consumer is a deer?
first-level consumer
200
What is the role of people in the food chain?
consumer
300
A tree in the forest grows old and dies. It gradually falls apart inside, and finally falls over. In time, fungus is visible on the fallen log. What is this process called?
decomposition
300
In a rotting log ecosystem, how are both the fungi that grow on dead bark and the beetles that eat the wood alike?
They are both decomposers
300
On an energy pyramid, which level has the most organisms?
producers
300
What do plants take in the process of making food?
What do plants release in the process of making food?
Plants take in carbon dioxide and release oxygen
300
How are decomposers like consumers?
They get their energy from producers and other consumers