a region of earth where the climate determines the types of plants that live there.
What is a biome?
the non living things in an environment
What is an abiotic factor?
The law that states that energy cannot be created or destroyed.
What is the law of conservation of energy?
Both are a series of changes in an ecosystem
What are similarities of primary succession and secondary succession?
Three ways that human activities impact ocean ecosystems.
What are pollution, oil spills, over fishing, coastal development, and seawall construction.
has low average temperatures and very little precipitation
What is a tundra?
ecosystems that are found in lakes, ponds, wetlands, rivers and streams
What are freshwater ecosystems?
Energy enters most ecosystems as ____________, which some prodecers use to make food.
What is sunlight?
The type of succession that could successfully occur without pioneer species.
What is secondary succession.
Pollution that can be traced to a single-source, such as a leak from an oil tanker.
What is point-source pollution?
also called the boreal forest
What is taiga?
An area of land that is saturated, or soaked, with water for at least part of the year.
What iis a wetland?
The role of _________________________, such as bacteria and fungi, break down solid waste products and dead organsisms, returning matter to the physical environment.
What are decomposers?
The number and variety of species that are present in an area.
What is biodiversity?
The careful and responsible management of a resource
What is stewardship?
Tundra, taiga, desert, grassland, temperate forest, tropical forest
What are the 6 major land biomes?
A partially enclosed body of water formed where a river flows into an ocean.
What is an estuary?
The process used by bacteria in soil to change nitrogen gas into forms that plants can use.
What is nitrogen fixation?
The first organsim to live in an uninhabited area
What is a pioneer species?
The protection and wise use of natural resources
WHqat is conservation?
Ecosystems are smaller areas within biomes that include communities of organsisms and their non living environment
How are ecosystems different from biomes?
this zone of the ocean has the coldest , darkest conditions.
What is the abyssal zone?
True or false
Even though matter and energy enter and leave an ecosystem, they are never destroyed.
True
True or False
The changes in an ecosystem that change suddenly due to catastrophic natural disturbances is called eutrophication.
False
it is the process in which organic matter and nutrients slowly build up in a body of water.
According to your book , how is water quality affected by air pollution?
acid rain:
Burning fossil fuels releases chemicals into the air. Some combine with rain as it falls to form acid rains. This water can damage both aquatic and land ecosystems.