Lesson 15 Aquatic life

Aquatic plants can be divided into........ groups.

• 2

• 3

• 5

Plants that float on water are called.............plants

• rooted floating

• submerged floating

• free floating

...........is an example of free floating plants.

• Water lettuce

• Lotus

• Hydrilla

These plants have long, light,hollow stem with broad and floating leaves.

• Submerged plants

• Rooted floating plants

• Free floating plants

Submerged plants grow...........bodies

• above water

• under water

• on water

............are examples of aquatic mammals.

• Whale

• Crab

• Fish

Water birds breathe through..........

• gills

• lungs

• blowhole

Mosquitoes are......... insects

• parasitic

• normal

• harmless

Malaria is caused by a..........

• Protozoan

• Amoeba

• Animal

Lobsters have a.........on their back.

• gill

• shell

• sting