Fins and gills

Wings and lungs

Legs and skin

Beaks and feathers

It helps them breathe and grow

It makes them swim faster

It changes their color

It helps them fly

They maintain the food chain by eating smaller creatures and being food for bigger animals

They clean the water by filtering it through their gills

They provide oxygen to the water

They build nests for other aquatic animals

Pollution and changes in temperature

Too much sunlight

Lack of food

Too many predators

Humans can impact fish habitats through activities and can help protect water bodies

Humans provide food for fish

Humans teach fish how to swim

Humans clean fish scales

the ecosystem

the climate

amphibian

reptile

Harm them and make it hard for them to swim.

Help them and make it easier for them to swim.

Help them get more food.