Food webs are models that show how energy flows in an ecosystem. What is the ultimate source of energy for all of the organisms in the food web shown above?

Hawks and owls eat the same type of food and struggle with one another to get their food. What is this an example of?

What is a predator?

Which statement is true about symbiotic relationships?

In which type of symbiotic relationship does one species benefit while the other species is unaffected?

In which type of symbiotic relationship do both species benefit?

In which type of symbiotic relationship does one species benefit while the other species is harmed?

A shrimp is warned of danger by a fish and the fish gets a home dug by the shrimp. Which type of symbiotic relationship is this?

Rabbits and sheep both graze on shrubs, grasses, and other plants. The sharp rise in the population of rabbits in a region may result in a shortage of plants for sheep to graze upon. This relationship between sheep and rabbits is an example of _________.

A dodder plant wraps itself around the stem of a clover plant, seriously damaging the clover. Small root-like structures from the dodder allow it to gain nutrients and water from the clover. Which type of relationship does this represent?

As a bee feeds upon the nectar produced by a flower, the bee may become coated with the flower's pollen. As the bee flies from flower to flower, some of this pollen may contact a flower's pistil, resulting in pollination.

This relationship between the bee and the flower is an example of _________.