The amount of land and ocean needed to support one person's standard of living - also, the environmental impact of one person's decisions
What is an ecological footprint?
100
All the blue jays that live and reproduce in a certain area
What is a population?
100
Soil is very dry with large sand particles and little organic matter and plants have deep roots or stems that store water in this biome.
What is the desert?
100
This is the birth rate minus the death rate.
What is the growth rate?
100
A species that is CRITICAL to the functioning of an ecosystem is known as this.
What is a keystone species?
200
This essay discussed the social responsibility of each person to take only what they need to survive
What is the "Tragedy of the Commons"?
200
When humans breed corn with specific characteristics and desirable traits (controlling the cross-breeding, NOT the genetics)
What is artificial selection?
200
In this biome, soil is very poor in nutrients because of the heavy rainfall, there is a large diversity of plants and animals, and the trees create a canopy.
What is a tropical rainforest?
200
This category of country is exemplified by nations with high birth rates, high poverty, and agriculturally based societies.
What is a developing nation?
200
These are areas of high biodiversity that are threatened.
What are biodiversity hotspots?
300
When a resource is replenished at the same or a greater rate than it is used, it is considered to be this.
What is sustainable?
300
When bacteria are no longer killed by an antibiotic, they have developed this.
What is resistance?
300
In this biome, the soil is moist and rich with nutrients from humus created by oak and maple leaves.
What is the deciduous forest?
300
These are the basic facilities and services, like roads, schools, and hospitals, that support a community.
What is infrastructure?
300
A species whose population is so low it may BECOME endangered is currently this.
What is threatened?
400
The process of assessing both the merits and expenses involved in implementing a particular environmental solution.
What is a cost-benefit analysis?
400
Consumers that get their food by breaking down and absorbing nutrients from dead organisms are called this.
What are decomposers?
400
This biome has definitive wet and dry seasons and animals such as zebras, lions, and giraffes (in the African region) live in herds and have brown fur to blend in with dry grasses.
What is the savanna?
400
Factor such as food or water that determines the carrying capacity of an ecosystem
What is a limiting factor?
400
Illegal hunting, especially for ivory or other valuable parts of animals
What is poaching?
500
During this period of human history, human populations increased due to advances in farming methods.
What is the agricultural revolution?
500
The primary and ultimate source of energy for almost all organisms is this.
What is the sun?
500
This biome has hot summers and cold winters, animals live in herds or burrow and have brown fur to blend in with dry grasses (ex: buffalo, deer, prairie dogs in the USA).
What is the temperate grasslands?
500
This material is used by people in developing nations to boil and purify drinking water.
What is fuelwood?
500
A place where sperm, eggs, pollen and seed are stored for future use in research or in species recovery.