person who strongly and actively supports an issue or point of view.
to stick to or support.
species at the top of the food chain, with no predators of its own. Also called an alpha predator or top predator.
reason or set of reasons given with the aim of persuading others that an action or idea is right or wrong.
observers or listeners of an event or production.
to prohibit or not allow.
standard of conduct.
process by which chemicals are absorbed by an organism, either from exposure to a substance with the chemical or by consumption of food containing the chemical.
able to decompose naturally.
process of a material being broken down by decomposing organisms into harmless particles.
process in which the concentration of a substance increases as it passes up the food chain.
social group whose members share common heritage, interests, or culture.
forceful or persuasive.
items gathered closely together in one place.
limitation or obstacle.
tool to enhance the teaching and learning process; highlighting strengths and achievements as well as areas for improvement.
the result of Earth's rotation on weather patterns and ocean currents. The Coriolis effect makes storms swirl clockwise in the Southern hemisphere and counterclockwise in the Northern Hemisphere.
event or situation leading to dramatic change.
set of standards or rules.
to decay or break down.
organism that breaks down dead organic material; also sometimes referred to as detritivores
to scatter or spread out widely.
having to do with money.
community and interactions of living and nonliving things in an area.
study of substances that are harmful to the environment.
the state of being trapped or caught in something
process by which natural resources are extracted and removed from the earth.
all related food chains in an ecosystem. Also called a food cycle.
coal, oil, or natural gas. Fossil fuels formed from the remains of ancient plants and animals.
statement or suggestion that explains certain questions about certain facts. A hypothesis is tested to determine if it is accurate.
to influence or have an effect on something.
to take material, such as food or medicine, into a body.
the act of eating or consuming.
garbage, refuse, or other objects that enter the coastal or ocean environment.
to engage in deep thought, contemplation, or introspection.
piece of plastic between 0.3 and 5 millimeters in diameter.
having to do with the smallest physical unit of a substance.
something that slows or stops progress.
an area of ocean that slowly rotates in an enormous circle.
process by which a substance is broken down by exposure to light.
chemical or other substance that harms a natural resource.
introduction of harmful materials into the environment.
compound of high molecular weight derived by the addition of many smaller molecules.
organism that eats producers; herbivores.
organisms, such as plants and phytoplankton, that can produce their own food through photosynthesis or chemosynthesis; also called autotrophs.
organism on the food chain that can produce its own energy and nutrients. Also called an autotroph.
early version or model.
to provide a written piece of work, such as a book or newspaper, for sale or distribution.
organism that eats meat.
processes involved in the production or manufacture of a good or service.
use of resources in such a manner that they will never be exhausted.
able to be continued at the same rate for a long period of time.
manufactured by people, not occurring naturally.
following an orderly method or plan.
carnivore that mostly eats other carnivores.
poisonous substance, usually one produced by a living organism.
one of three positions on the food chain: autotrophs (first), herbivores (second), and carnivores and omnivores (third).
existing or seeming to exist everywhere.
able to adjust to different conditions.
material that has been used and thrown away.
collection, transport, and destruction or storage of garbage and byproducts.