The bacterias from our mouth feed from the sugar left when we don’t clean our teeth properly, and depending on how many days it is there, they can cause tooth pain. What type of relationship is that?

In a food chain full of animals, if a single one get extinted, will it affect the whole chain? If yes, how?

What type of mixture is showing on the picture?

Give one example of a solution.

What is this theory?

The anteater and an ant for example, Which one of them is the prey and predators?

Name the three types of symbiotic relationships in the ecosystem.

What is the name of the organisms that start the food chain?

Give one example of a consumer.

A animal that feeds on what other animal has killed is known as:

Which type of ecological relationship benefits just one organism and the other is neither benefited or harmed?

Give an example of producers.

What are the three states of matter?