Marine Science AS Level Final

Variable being measured in an experiment

• Dependent variable

• Independent variable

• Control variable

Numerical data that give quantity, can be counted or measured using instrument

• Qualitative data

• Quantitative data

Explanation of an observation that can be tested through experimentation

• Prediction

• Hypothesis

• Refute

• Theory

Cleaner fish removed the parasites from other marine animals.

• Parasitism

• Mutualism

• Predation

Parasite that live inside the host

• Endoparasite

• Ectoparasite

the change in community structure over time

• succession

• ecosystem

• food web

• trophic level

Net primary productivity is higher than gross primary productivity

• True

• False

Boundary between two layers of water with different DENSITY

• Thermocline

• Pycnocline

• Halocline

Add nutrients to the surface water

• Harvesting

• Marine Snow

• Upwelling

• Downwelling

Biological use of magnesium

• Needed for DNA and bone

• Needed for chlorophyll

• Needed for proteins

• Needed for bones, shells, and coral