The living and nonliving things in an area make up the

All the organisms of the same species that live in the same area at the same time

The potential growth of a population if it could grow in perfect conditions with no limiting factors

A tick attaches itself to a person and drinks its blood. It passes on Lyme disease to the person. This is an example of

___ are formed when organisms of the same species work together for a common purpose

Usually, changes to ecosystems happen

Which of the following is first to grow during succession?

Ecological succession in new areas of land with little or no soil or vegetation.

What helps to fill the bottom of a pond?

What can happen if too much sediment enters a body of water

How are nutrients added to water?

Humans can contribute to eutrophication

Any activity that takes resources from nature is called

Cropland that has been left alone will go through

A close, long-term relationship between two species that usually involves an exchange of food or energy

If an organism has decreased in numbers but isn't close to being extinct, it is considered

How is a predator-prey relationship beneficial to the prey?

Any material broken down by the process of weathering and then transported to a different place

A symbiotic relationship that benefits one species but doesn't harm or benefit the other

Ravens like to eat the meat that wolves kill. The wolves scare the ravens away when they try to eat. This is

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