Grade 7

What are the organisms that depend on decaying matter as their source of food?

•  Consumers

• Scavengers

• Producers

• Decomposers

Mutualism is a positive type of relationship because?

• One organism is killed and eaten by the other organism.

• Both organisms benefit from each other.

• One organism is benefiting while the other is harmed.

•  One organism is benefiting while the other is not affected.

What do you call the limit on the maximum population size that an ecosystem can withstand?

•  Carrying capacity

• Area of capacity

• Carryon capacity

• Carrying maximum

What do you call the component of the ecosystem on which the biotic factors depend?

• Living things

• Abiotic factors

• Unliving things

• Biotic factors

A lion hunts for its food. What type of ecological relationship does the situation present?

• Predation

• Parasitism

• Mutualism

• Commensalism

All of these are examples of Abiotic factors EXCEPT?

• Light

• Humidity

• Plants

• Air

Tapeworms are living in the stomach of a dog. This type of ecological relationship is called?

• Parasitism

•  Predation

• Mutualism

• Commensalism

Clownfish live in anemones. What type of ecological relationship does the situation present?

• Parasitism

• Commensalism

• Mutualism

• Parasitism

These are also known as heterotrophs, because they consume food by eating producers or other organisms.

• Consumers

• Decomposers

• Scavengers

• Producers

The words distance, displacement, speed, velocity, and speed are commonly known as?

• Descriptors of gravity

• Descriptors of motion

• Descriptors of distance

• Descriptors of speed