LESSON 2 - 5th

What are the elements of an ecosystem?

• non living things

• space

• living things

• plants and animals

The type of ecosystem depends on the quantity of water and light.

• terrestrial

• aquatic

• mixed

• urban

A terrestrial ecosystem with very high temperatures during the day is usually dry.

Aquatic ecosystems depend on _________

Marine ecosystems characteristics are:

• contains salt

• not so deep

• contains freshwater

• great depths

The type of interactions when an animal eats another.

• competition

• cooperation

• depredation

Competition is:

• It is established between two species with mutual benefit.

• It is beneficial to the predator and harmful to the prey.

• It occurs between two species that compete for the same resource.

In a food chain, what are the producers of food?

• herbivores

• plants

• carnivores

• decomposers

What are the types of consumers?

• herbivores

• carnivores

• decomposers

• producers

What are the main characteristics of the plant cell?

• nucleus

• cellular wall

• chloroplasts

• cytoplasm