Science Flashcards
What cycle is primarily conducted in soil and plants?
Phosphorous cycle
What is the Clean air and water act?
An act made in 1948 that focuses on maintaining clean air and water.
What process describes intake of oxygen to convert glucose into energy
Respiration
What is the first species to colonize an area primarily succession are known as?
Pioneer Species
What are the positive ecological interactions between organisms.
Commensalism and mutualism
What is The mass expansion of urban areas that rapidly destroys surrounding environments
Urban sprawl
What percentage of the earth do rain forest cover?
6%
Breaking up habitats so they can no longer remain functional is called?
Habitat Fragmentation
Act of complete loss of habitat through direct human involvement is called?
Habitat Destruction
Act of polluting a habitat until the quality of the habitat can no longer support life is called?
Habitat Degradation
What habitats does grassland typically exist between?
Forest & Desserts
What is the Farm bill?
An act created in 1933, this act provides incentives for landowners to conserve grasslands habitats
What are controlled fires and are created by experts to clear fire fuel?
Prescribed burns
What are decaying grass roots that enrich the soil, making this biome’s soil the most fertile?
Temperate Grasslands.
what invasive species destroys young trees and causes soil erosion in forest habitats.
Feral hogs
What percentage of the earth do grass lands cover?
40-45%/ 20-40%
What evergreen trees dominate the boreal forest?
Coniferous trees
what are wetlands classified by woody plants, slow-moving water, and low oxygen soil?
Swamps
What is the Duck stamp act?
An act made in 1934, that funds wildlife refuges.
What do wetlands filter to protect freshwater quality?
Sedimentation
What percentage of fresh water is trapped in glaciers or underground aquifers?
99%
What are the factors that the wetlands are classified by?
Hydrological regime, vegetation cover, and landscape position.
What is the maximum population size of a species habitat can support?
Carrying capacity
What term refers to the number of deaths per 1,000 individuals per unit of time
Death rate
What is method of measuring populations records signs of animals, such as tracks and droppings?
The index of population size
What is a fertility control type of method for managing wildlife populations?
Non-lethal
What is a principle that states that fish and wildlife belong to all North American citizens?
A Public Trust Doctrine
Ecosystem management was broadened by what establishment 1978?
Conservation Biology