Number and variety of life forms that exist or have existed on Earth.

All of the living things on a coral reef form a ... . 1. Population 2. community 3. interspecific relationship 4. Mutualism

When the relatioship is beneficial for both living things, it is called...

When one animal kills and eats another, it is an example of ... . 1. predation 2. mutualism 3. parasitism

The relationship in a population is ...

Name the four types of interspecific relationships.

Choose an example of an interspecific relationship. 1. A group of wolves hunting together. 2. An insect helping a plant to reproduce. 3. A fox hunting a rabbit. 4. A flea living on a dog

Organisms cannot live in isolation.

It happens when we use a natural resource faster than it can regenerate.

How many types of interspecific relationships are there?

When the relationship is harmful for one organism, but it´s not killed, it is called...

Choose the odd one out. 1. Loss of habitat 2. Kingdom 3. Pollution 4. Invasive species

We fish to many fish, so they can´t reproduce. It´s ....