Vocabulario
A diagram that shows the biomass of organisms at each trophic level.
What is an ecological pyramid?
Scientific study of interactions among organisms and between organisms and their environment.
What is ecology?
A biological community of biotic and abiotic factors that interact in their physical environment.
What is an ecosystem?
A negatively charged particle located outside of the atomic nucleus.
What is an electron?
A pure substance made of only one kind of atom.
What is an element?
A diagram that shows the amount of energy that moves from one feeding level to another in a food web.
What is an energy pyramid?
A widespread outbreak of an infectious disease.
What is an epidemic?
A habitat in which the freshwater of a river meets the salt water of the ocean.
What is an estuary?
A cell that contains a nucleus and membrane-bound organelles.
What is a eukaryote?
Rapid growth of algae in bodies of water due to high levels of nitrogen and phosphate.
What is eutrophication?
The change of a substance from liquid to gas.
What is evaporation?
The change over time (can be living or nonliving).
What is evolution?
A term that describes a species that no longer has any known living individuals.
What is extinct?
Organisms that survive in extreme environments like the bottom of the ocean.
What is an extremophile?
Nutrients that store energy, cushion organs, and helps the body absorb vitamins.
What are fats?
A crack in the earth's crust resulting from the the movement of tectonic plates.
What is a fault?
A series of steps in which organisms transfer by eating and being eaten, shows trophic levels.
What is a food chain?
A diagram which shows the transfer of energy within a community of organisms where there are several interconnected food chains.
What is a food web?
A trace of an ancient organism that has been preserved in rock.
What is a fossil?
A nonrenewable energy source formed from the remains of organisms that lived a long time ago, like gas, oil, and coal.
What is a fossil fuel?
The temperature at which a liquid changes into a solid.
What is the freezing point?
A decomposer that usually reproduces through spores, can be pathogenic.
What is fungus?
Does not contain any salt water and can be rivers, lakes, streams, ponds, and wetlands.
What is freshwater?
Differences among individuals in the composition of their genes or other DNA segments.
What is genetic variation?
Scale used by paleontologists and geologists to represent evolutionary time.
What is the geologic time scale?