What is made up of all the populations in an area?

An ongoing relationship in which one organism benefits and the other is harmed.

There are birds that eat the food from between the teeth of alligators, leaving the alligators with clean teeth and the birds with a meal. What type of ongoing relationship is this?

Which of the following is a predator and prey relationship?

Some limiting factors that affect populations include lack of food, lack of water, lack of living space, and the spread of disease.

An organism’s habitat is where it lives.

Tell if the item is an abiotic factor or biotic factor.....

Tree Frog

Tell if the item is an abiotic factor or biotic.....

Sandy Soil

The living world is organized in levels. Biotic and abiotic factors also can be arranged into levels of biological organization. Put the words below in order from the least complex to the most complex

In the country of Georgeville there is an average of 4.5 births for every 3.3 deaths. That means the population of Georgeville is most likely

If there are not enough predators and too many prey, the prey population may eventually starve.

A common food web in a grassland would be grass > mice > snake > hawk. If there were an increase of mice in the ecosystem, what would be directly affected? (hint. Multiple answers)