Vocabulary
groups positioned close together
clusters
________________create their own energy
producers
The ______________ zone is the closest to the surface and has the most sunlight.
sunlight
What are the difference between biotic and abiotic factors in an ecosystem?
Biotic factors are the living parts of the ecosystem, and abiotic factors are the nonliving parts of an ecosystem.
micro means ___________
small
animals with soft bodies that live in shells
mollusk
_____________ obtain their energy from eating other organisms
consumers
Explain how bioluminescence helps organisms catch their prey in the twilight, midnight, abyssal, and hadal zones.
The light attracts prey to the predators, then they eat it.
Name one abiotic and one biotic factor in an ocean ecosystem.
abiotic: salt levels, temperature, sunlight
biotic: algae, bacteria, animals, fungi
photo means __________
light
the characteristic of easily understood
clarity
____________ are at the bottom of the trophic pyramid
producers
This zone contains the most producers.
sunlight zone
Estuaries and mangrove forests
bio means
life
bioluminescence is an example of one
adaptation
detritivores are ______________
decomposers
This zone is made up of deep ocean trenches.
hadal zone
Name TWO reasons plastic is harmful to ocean ecosystems.
Plastic blocks sunlight, causing producers to die. Plastic contains toxins that can sicken or kill marine life.
What is photosynthesis?
to appear as the opposite
contradict
True or false: coral is a plant
false
How did the hadal zone get its name?
From the greek god of the underworld, Hades.
Explain how gyres form.
Permanent currents come together and move in a circular motion.
What is chemosynthesis?
creating energy from chemicals