Native and invasive species

What is an invasive species?

• A species that is native to the land

• A species that is introduced to a new environment and typically causes damage to their new ecosystem.

• A species that is in an ecosystem as a result of primary succession

Invasive species can have a major negative impact on the ecosystem

• true

• false

What is a native species?

• • A. A plant or animal that lives in a place naturally and has always been there.

• • B. A plant or animal that moves from one country to another.

• • C. A plant or animal that only lives in zoos.

• • D. A plant or animal that was recently discovered.

Why are invasive species a problem for native species?

• A. Invasive species often help native species by providing extra food.

• B. Invasive species usually stay in one place and do not affect other species.

• C. Invasive species can compete with native species for food and resources, spread diseases, and sometimes harm or outnumber the native species.

• D. Invasive species always improve the environment by cleaning the air and water.

Which of the following is an example of an invasive species in the UAE?

• A. Arabian oryx

• B. Ghaf tree

• C. Redback spider

• D. Palm tree