A rapid increase in population of an algae

A relationship between two organisms where the parasite obtains benefit at the expensive of the host

A parasite, such as a flea or louse, which lives on the outside of its host

The production of organic compounds by bacteria or other living organisms using the energy derived from reactions with inorganic chemicals

An animal which feeds only on producers (plants or phytoplankton) 

The position an organism occupies in the food chain or food web

An organism that is able to use chemical energy to synthesis organic materials

The process by which a body of water becomes enriched in dissolved nutrients (such as nitrates and phosphates) that simulate growth of producers, usually resulting in the depletion of dissolved oxygen 

The movement and exchange of elements that are essential to life, from inorganic molecules, through fixation, and then back into living organisms, before being decomposed back into inorganic molecules

A large molecule made from many repeating subunits

A type of lipid which is made from a glycerol molecule joined to three fatty acid chains

The process of eliminating the waste formed from the chemical reactions within living cells

Carbon dioxide dissolves in the ocean to form carbonic acid

The process of using light energy to synthesize glucose from carbon dioxide and water to produce chemical energy

All different populations interacting in one habitat at the same time

A relationship between two organisms where both species are negatively affecting as they are trying to use the same resources

A parasite, such as a tapeworm, which lives inside the body of its host

An organism that cannot make its own food and instead relies on consuming other organisms; all animals, fungi, and protozoans are --------s, as well as most bacteria

An animal which feeds on other animals

Bacteria and fungi which break down dead organic matter and release the nutrients back into the environment

An organism at the end of the food chain which has no natural predators

An organism that is adapted to survive extreme temperature, salinity, or pH

a diagram that shows the number of

organisms in each trophic level of a food chain

A chemical that provides what is needed for organisms to grow, repair damaged cells or tissues, release energy or for their metabolism

The smallest unit of a polymer; -------(e)s are able to join chemically to form longer molecules

Lipid molecules that are a major constituent of triglycerides and phospholipids 

An area where there is a net loss of material (for example, where more gas dissolve into the ocean diffuses into the atmosphere) 

Rock formed by the deposition of particles on the ocean floor

organic compound, made up of C, H, O ex: glucose

The rate of production of new biomass through photosynthesis or chemosynthesis

A relationship between two different organisms where both organisms benefit

A relationship between two or more organisms of different species which live physically close to each other

A commensal relationship where one organism attaches itself to another in order to travel

An animal which hunt, kills, and eats other animals

A way to show all the different feeding relationships in an ecosystem

An organism that is able to use light energy to synthesize organic compounds 

The process by which all living things release energy from their food by oxidizing glucose

A diagram that shows the biomass present in each trophic level of a food chain

The conversion of a nutrient into a useable form that can be incorporated into the tissues of an organism

A carbohydrate made from chains of glucose molecules joined together

A molecule without a charge which repels water molecules

An area where there is net gain of material (for example, where more gasses dissolve into the atmosphere than dissolves in the ocean. 

A process by which the floor of the ocean rises, possibly to the extent that it is no longer beneath the water

An animal which feeds in other organisms to gain energy from food

A relationship between two organisms where a predator hunts, kills, and eats a prey animal

A relationship between two organisms where one organism benefits and the other is neither harmed nor benefited

An organism that can capture the energy in light or chemicals and use it to produce carbohydrates from simple molecules such as carbon dioxide

A way to describe the feeding relationships between organisms

The mass of living material in an area; it can be measured as dry mass (without the water) or wet mass (with the water) 

The surface layer of the ocean which receives sunlight

The light intensity in which the rate if photosynthesis and the rate of respiration are equal 

A diagram that shows the amount of energy in each trophic level of a food chain

Organisms that produce biomass from inorganic compounds; in almost all cases these are photosynthetically active organisms

An important component of plant cell walls which is made from many straight chains of glucose molecules held together by hydrogen bonds

The average amount of time that a particle spends in a particular system

Particles of organic material that fall from surface waters to the deeper ocean

Buried organic materials from dead plants and animals which have been converted into oil, coal, or natural gas by exposure to heat and pressure in the Earth’s crust