A bird eats a worm. Who is the predator?

The scientific study of interactions among organisms and between organisms and their environment

Which is an example of an abiotic element changing an area?

A group of ecosystems that share similar climates and typical organisms

the natural home or environment of an animal, plant, or other organism.

A community is several species of animals interacting, while a population is

Two members of the same species fight over who gets a certain food. Members of different species try to take over a certain nesting area. These are both examples of

If scientists are studying the egrets, herons, marsh crabs, and cordgrass, but not the water or rocks in a salt marsh, what level of organization would they be studying?

When there is a lot of pollution, rain can be acidic, harming plants and animals. What is this an example of?

What effect does biodiversity have on a community?

Organisms that can make their own food from sunlight are called

The five levels of organization in the environment, from first to fifth level are

Which of the following is abiotic?

What do several different populations living together make?

Grass that gains energy from the sun is an example of a

n a food web arrows point in just one direction because they show

What word describes the mammals, fish, birds, and plants that live in an environment?

Grass is eaten by a prairie dog. The prairie dog is eaten by a coyote. This is an example of

The largest population an environment can support is its

Young wasps are eating the tomato hornworm that is their host. What is this an example of?

Rocks, temperature, and water are what part of the environment?

What do several different populations living together make?

Which is an example of an abiotic element changing an area?

In a food web, arrows point in just one direction because they show

After one species disappears, the other species in the ecosystem

Limiting factors determine an area’s carrying capacity because

An environmental study reporting on the way temperature, water quality, and minerals affect the animals in a salt marsh would be considering which level of organization?

The plants a ladybug lives on, the aphids the ladybug eats, and the birds that would eat the ladybug are all

Herbivores, carnivores, and omnivores are all

Animals that eat a variety of meats, fruits, and vegetables are

A scientist studying the way egrets, herons, and crabs interact, who is not interested in abiotic factors such as the rocks, water, and temperature, is studying what level of environmental organization?

What word describes a community of organisms and their environment?

When is food a limiting factor?

Rocks, temperature, and water are what kind of things?

In which relationship do living things help each other?

It has been a very harsh winter. The ground is covered in snow, and the trees are covered in ice. Many deer die because they cannot find food. This is an example of

In an energy pyramid, how much energy is transferred from on energy level to the next?

Suppose there were a bird that always sat on a horse's back and ate the insects that would bite the horse. What would this be an example of?

What is the origional source of almost all energy in mose ecosystems?

What is the term for each step in the transfer of energy and matter within a biological community?

The energy at each trophic level in the pryamid of energy decreases by a factor of

What does a food web represent?

Organisms that breaks down and absorbs nutrients from dead organisms

The image is that shows how much energy is passed on to each trophic level is called a