p222 Task 2

The word marine means anything that has to do _____________.

• with the oceans or sea

• with the oceans or seas

• with the oceans or seas animals

Food webs are very important to humans. Any change to one organism in a 1_______ affects all the other 2________ in the food web.

Natural events, such as 1_________ and 2__________, cause some major changes to food webs.

Humans cause changes to marine food webs by _________________.

• overfish and pollution

• overfishing and pollution

• overfishing or pollution

It is important to learn about _______ so that you can help to keep them balanced .

• food webs/ balanced

• food web/ balanced

• food webs/ balance

Zooplankton are very __________________.

They move through the ______ and eat _______________.

• water/ phytoplankton

• fish/ phytoplankton

• water/ phytoplanktons

This makes zooplankton __________ connection in the marine food web.

• the first

• the second

• the last

__________________, and krill are examples of zooplankton.