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Systems of the Body
Immune System and Disease
Ecology
Communities and Populations
Evolution
100
A cluster of cells with similar functions.
What is Tissue.
100
Fluid that leaks out of capillaries into spaces between cells and circulates in the vessels of the lymphatic system.
What is Lymph.
100
The role of a species in its ecosystem, which includes the way that the species interacts with the abiotic and biotic factors in its environment.
What is Niche.
100
A relationship in which a member of one species, the predator, eats or preys on a member of another species, the prey.
What is Predation.
100
Change in characteristics of living things over time.
What is Evolution.
200
Flexible connective tissue.
What is Cartilage.
200
Disease-causing agent such as a bacterium, virus, fungus, or protozoan.
What is Pathogen.
200
The total mass of organisms at a specific trophic level.
What is Biomass.
200
When part of a population joins another population elsewhere.
What is Immigration.
200
A human practice to select certain traits wanted in a certain species.
What is Artificial Selection.
300
Fibrous connective tissue.
What is Ligament.
300
Any antigen that causes an allergy.
What is Allergen.
300
The continuous movement of water in our biosphere.
What is Water Cycle.
300
Changes in population that occurred in Europe and North America around the 18th century.
What is Demographic Transition.
300
All genes in a population.
What is Gene Pool.
400
Tough connective tissues which attach skeletal muscles to the skeleton.
What is Tendon.
400
: Disease in which the immune system makes an inflammatory response to a harmless antigen.
What is Allergy.
400
Precipitation that is absorbed into the ground.
What is Groundwater.
400
The variety of life and its processes.
What is Biodiversity.
400
A change in allele frequencies in a small population.
What is Genetic Drift.
500
The organ system that carries electrical messages throughout the body.
What is Nervous System.
500
Disease that occurs when the cell cycle is no longer regulated and cells divide out of control.
What is Cancer.
500
Climatically and geographically similar areas with similar conditions on the Earth. This includes communities of plants, animals, and soil organisms.
What is Biome.
500
A material supplied by nature that supports life.
What is Natural Resource.
500
The formation of a new species.
What is Speciation.