quiz4 Flashcards
(15 cards)
what is water pollution+examples?
harmful substances that could harm the ecosystem and marine life.
ex: human/ animal waste, plastic , litter, chemical fertilizers)
How can water pollution affect our oceans?
harm marine life(sea animals) , contaminate our water ways, damage coral reefs.
what can we do to reduce water pollution?
recycle, use less plastic, using eco friendly products.
what’s the difference between big pollutants and small pollutants?
small pollutants are tiny microscopic toxins which we can’t see while
big pollutants are types of waste that you can see such as plastic bags,leaves, dead animals,dog waste and wrappers.
name 3 sources of water pollution
leaking pipes, litter, farming activities (chemical fertilizers)
what are human activities that can cause pollution?
throwing litter and using chemical fertilizers
what damage does litter in out water cause.
can be ingested by animals or trap them
what damage does chemical in out water cause?
poison animals
what damage do fertilizers in our water cause?
can cause a lack of oxygen in the water and ends up killing the animals.
define aquifer
an underground rock layer containing water
define marine protected layer
a region in or near an ocean where human activity is limited in order to preserve marine life.
define oceanographer
a scientist who studies the ocean and marine life.
define pollutant
a substance that makes the environment and water dirty.
define tributary
a smaller river or stream that flows into a larger river
define algae
plantlike organisms