Resources in Ecosystems

Resources in Ecosystems

Poll

Scientists use the word's population and community when they study ecosystems. Which best describes how scientists use these words?

• Population is used to describe the number of organisms in an area; community describes the place where organisms live.

• Population is used to describe all the different species living together in an area; community describes all the non living features of the areas species live in.

• population describes all the organisms of the same species living in the same area at the same time; community describes all the population living together in the same area at the same time.

• population describes the changing types and numbers of organisms in an area; community describe the types and numbers of organisms in an area that do not change.

Ecosystem

an ecosystem consists of all living and nonliving things in an area. All of the earth's ecosystems make up the biosphere, the regions of the earth, and the atmosphere that contain life.

Multiple Select

Can you give me an example of an ecosystem?

• Lake

• Bacteria

• Lions

• Insects

• Sunlight and heat

Population and Community

• The population is any group of individuals of the same species living in the same place at the same time.

• Community is 2 or more population

Multiple Choice

How does a population relate to a community?

• Communities are made up of populations.

• Populations are made up of communities.

Multiple Choice

How does a community relate to an ecosystem?

• Communities are made up of ecosystems.

• Ecosystems are made up of communities.

Multiple Choice

How does an ecosystem relate to the biosphere?

• Biosphere are made up of ecosystems.

• Ecosystems are made up of biosphere.

Multiple Select

Which levels of the organization include nonliving things?

• Individual

• Population

• Community

• Ecosystem

• Biosphere

Multiple Select

Which levels of the organization include living things?

• Individual

• Population

• Community

• Ecosystem

• Biosphere

What are the resources in the ecosystem?

Resources can be consumed by one organism and, as a result, become unavailable to another organism. For plants, key resources are light, nutrients, water, and a place to grow. For animals, key resources are food, water, and territory.

What can disrupt an ecosystem?

Wildfires

Flooding

Volcanic Eruptions

Habitat Destruction

Introduced Species

Overhunting

Open Ended

Give as many examples as you can of what can disrupt an ecosystem?

Multiple Select

Which of the following considered to be biotic limiting factor to affect a population?

• Competitors

• Disease

• Sunlight

• water

• food

Multiple Select

Which of the following considered to be an abiotic limiting factor to affect a population?

• Competitors

• Disease

• Sunlight

• water

• space

Multiple Choice

Scientists use the word's population and community when they study ecosystems. Which best describes how scientists use these words?

• Population is used to describe the number of organisms in an area; community describes the place where organisms live.

• Population is used to describe all the different species living together in an area; community describes all the non living features of the areas species live in.

• population describes all the organisms of the same species living in the same area at the same time; community describes all the population living together in the same area at the same time.

• population describes the changing types and numbers of organisms in an area; community describe the types and numbers of organisms in an area that do not change.