Making food without sunlight - Answers Chemosynthesis
The water column - Answers pelagic
One path of energy in an ecosystem - Answers Food chain
A close association between two organisms - Answers Symbiosis
Animal-like plankton - Answers Zooplankton
A Benthic organism that moves - Answers Motile
Area between high and low tide - Answers Eullitoral
Type of reproduction that is similar to cloning - Answers Asexual
A floating organism - Answers Plankton
Photosynthetic plankton - Answers Phytoplankton
An organism that lives its entire life as plankton - Answers Holoplankton
Both sexes present in the same individual - Answers Monoecious
Zone of no sunlight - Answers Aphotic
All of the feeding relationships in an ecosystem - Answers Food web
A swimming organism - Answers Nekton
Special cells filled with pigment that allow an organism to change color - Answers Chromatophores
The interactions between two organisms and their environment - Answers ecology
Ocean floor habitat - Answers pelagic
The role of an organism in an ecosystem - Answers Niche
One organism benefits and the other is neither helped nor harmed - Answers Commensalism
Extends to the edge of the continental shelf - Answers Sublittoral
All of the populations in an area - Answers Community
Organism capable of making its own food - Answers Autotroph
Deeper than 6000 meters - Answers Hadal