Definitions
Components of Ecosystem
Nutrition in Ecosystem
Humans and the environment
100

What is an ecosystem?

Living and nonliving things interacting with each other in a given area.

100

Species is? Give an example.

One of a kind. One cow, elephant, etc.

100

Producers are? Give an example.

Living things that are able to create their own food and nutrients. Plants and seaweed.

100

How can humans affect or damage an ecosystem?

Pollution, endangered species and deforestation.

200

Types of ecosystems and size.

Ecosystem could be terrestial and aquatic and they coul be big or small.

200

Population is? Give an example.

All the species from a specific place. A group of elephants.

200

Consumers are? Give an example.

Living things that eat other living thngs. Lion, rabbit, etc.

200

What is pollution? Defintion and things humans can contaminate.

Accumulation of garbage and harmful substances.

We can contaminate or pollute the:

  • AIR

  • WATER

  • SOIL

 

300

Can the environment be modified by the living things? Give an example.

Yes, the beaver buils dams that stop the normal course of a river.

300

Community is? Give an example.

Different populations of the same place. The group of elephants and the giraffes from the same palce.

300

Decomposers are? Give an example.

Living thing that changes the organic matter into soil. Fungi and bacterias.

300

What is deforestation? Definition, causes and consequence.

Definition lost of forests.

Caused by human activity, forest fires and intense cutting trees.

Consequence desertification.

400

What is the difference between habitat and ecosystem?

Ecosystem are the living and nonliving things interacting with each other in a given area and the habitat are the non living things and the place of the ecosystem.

400

Habitat is? Give an example.

The non living things and the place of the ecosystem. The rocks, water and sand from the ocean.

400

Types of consumers? What do each one of them eat?

Primary consumers eat producers.

Secondary consumers eat primary consumers.

Tertiary consumers eat secondary consumers.

Scavengers eat dead animals.

400

What is endangered species? Definition and causes.

Definition living things at risk of disappearing from the planet.

Causes, Pesticides, Indiscriminate Hunting and Introduction of new species.


500

What does the arrows shows in a food chain?

The arrows show how the energy is transfered form one living thing to the other.

500

Give and example of an ecosystem indicating the different components.

Sabana

500

All consumers are omnivores? Yes, no and why.

No, because, the primary consumers only eat plants and to be onmivores you have to eat meat too.

500

Give a real example of pollution, endangered species or deforestation and how can we prevent it.

Amazonas, pudĂș, smog en santiago, etc.

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