The relationship between an owl and a mouse is an example of
A coral reef and the organisms that live in it form
Where would you be most likely to find animals with thick fur coats?
A desert provides the resources needed to support a population of
The shortest food chains consist of
Which describes both a food chain and a food web?
Which event would cause an ecosystem to change quickly?
Nonnative animal populations can grow rapidly in a new ecosystem because
Which most likely limits a desert's ability to support plant life?
Which of the following is the best example of competition?
Arrows on a food chain and food web show
Plants make their own food by converting sunlight into energy through a process called __
Organisms that can breed and produce offspring that can also reproduce are known as a
Populations of organisms of different species in an area are known as a
The greatest amount of energy is located at the top of a food web.
The Sun is the ultimate source of energy and starts all food chains
Sunlight is an abiotic factor in an ecosystem.
The number of organisms that can live in a habitat is called the carrying capacity.
Unlike most organisms, people can change large parts of the environment.
Some events changed ecosystems permanently.
Changing the environment can upset the balance in ecosystems.
Explain how producers, consumers, and decomposers all help an ecosystem
support the populations within it.
List three ways that human development can negatively impact local ecosystems.