Energy & Matter in an Ecosystem

What is the carrying capacity of the graph?

• 1000

• 8000

• 800

• 600

This may cause a population to increase

• increase of food supply

• removal of predators

• removal of disease

• all of these

If a disease destroying barley plants in a field swept through an ecosystem, what would happen to the barley eating bird population in the the field ?

• The bird population would stay the same
• The bird population would infinitely increase
• The bird population would decrease

Food, water, sunlight, shelter, and space are resources that are  __________.

• limiting factors
• wet
• messy
• found in rocks

The wolf goes extinct, and the deer population has no predator to worry about. They graze the land. Because there is no more food. Some of the deer begin to bite at each other, while others die of starvation. What is the limiting factor to the deep population?

• Competition

• Overcrowding

• Predator-Prey Relationships

• Herbivory Effect

What is an omnivore?

• The type of consumer that eats plants.

• The type of consumer that eats plants and animals.

• The type of consumer that eats only animals.

What type of organisms are called autotrophs?

• Omnivores.

• Consumers.

• Decomposers.

• Producers.

What are heterotrophs?

• Consumers that eat others.

• Consumers that eat plants.

• Consumers that create what they eat.

A pile of compost would be an example of this.

• Producers

• Consumers

• Herbivores

• Decomposers

How does Symbiosis occur?

• Only between species.

• Only between communities.

• Between different species in a community.

• Between different communities.