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9GHS Final

Final for 9th Grade Enviro

Fields that contribute to environmental science biology, earth, chemistry, physics and social sciences
the law of supply and demand describes the relationship between the availability and the worth of resources.
Type geological activity that formed the Himalaya Mountains colliding tectonic plates
In nature what do wind and water erosion affect the most? mountains, rocks and soil
Examples of an ecosystem vacant lot, oak forest, coral reef
WheretThe energy in most ecosystems comes from the sun
Plants and other producers get their energy directly from the sun
Animals get their energy from the sun indirectly
Rare bacteria that live deep in the ocean get their energy from hydrogen sulfide in hot water
Consumers get their energy indirectly from the sun
organism obtains energy only from producers herbivores
Examples of savanna animals rhinos, gazelles, and giraffes
These are threatened by soil erosion because native grasses have been damaged or destroyed by plowing and overgrazing. Grasslands, such as the prairies of North America
An environmental function of wetlands absorbing and removing pollutants from water
An environmental function of wetlands trapping carbon that would otherwise be released into the air
An environmental function of wetlands controlling floods
These are very productive ecosystems because they receive fresh nutrients from rivers and oceans Estuaries
An adaptation that evolves in response to other organisms is known as coevolution
All of the organisms of the same species (such as a forest of maple trees) is an example of a population
Professionals who study and make predictions about human populations are called demographers
A population pyramid is created by graphing the distribution of this ages in a population at a specific time.
An endangered species is... a species in danger of extinction.
Number of species estimated to be living on Earth 10 to 50 million
effective strategy in slowing the loss of biodiversity creating large parks/preserves in biodiversity hotspots
factor contributing highly to the exponential growth of the human population more food, better hygiene
The density of a population is the number of individuals per unit area.
What causes most coastal pollution in the United States industrial waste and sewage
The adaptation of phytoplankton which prevents them from sinking into deep waters flagella
a tropical rain forest has species of animals with specialized ways of surviving in order to avoid this? competition
amount of energy carried through from organism to organism in the food chain 10 percent
Humans are an example of organisms most likely to belong to the same… species
most geologically active region on the surface of Earth boundaries between tectonic plates
an example of a renewable resource wood, water, sun, wind
an example of a non-renewable resource gasoline, metal, coal, oil
Most of today’s environmental problems began during which period(s) in human history? Industrial
Refers to the number and variety of species that live in an area biodiversity
Created by: rseneta