Land Biomes
Aquatic Ecosystems
Energy & matter in ecosystems
changes in ecosystems
Human activity and ecosystems
100

a region of earth where the climate determines the types of plants that live there.

What is a biome?

100

the non living things in an environment

What is an abiotic factor?

100

The law that states that energy cannot be created or destroyed.

What is the law of conservation of energy?

100

Both are a series of changes in an ecosystem

What are similarities of primary succession and secondary succession?

100

Three ways that human activities impact ocean ecosystems.

What are pollution, oil spills, over fishing, coastal development, and seawall construction.

200

has low average temperatures and very little precipitation

What is a tundra?

200

ecosystems that are found in lakes, ponds, wetlands, rivers and streams

What are freshwater ecosystems?

200

Energy enters most ecosystems as ____________, which some prodecers use to make food.

What is sunlight?

200

The type of succession that could successfully occur without pioneer species.

What is secondary succession.

200

Pollution that can be traced to a single-source, such as a leak from an oil tanker.

What is point-source pollution?

300

also called the boreal forest

What is taiga?

300

An area of land that is saturated, or soaked, with water for at least part of the year.

What iis a wetland?

300

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?

300

The number and variety of species that are present in an area.

What is biodiversity?

300

The careful and responsible management of a resource

What is stewardship?

400

Tundra, taiga, desert, grassland, temperate forest, tropical forest

What are the 6 major land biomes?

400

A partially enclosed body of water formed where a river flows into an ocean.

What is an estuary?

400

The process used by bacteria in soil to change nitrogen gas into forms that plants can use.

What is nitrogen fixation?

400

The first organsim to live in an uninhabited area

What is a pioneer species?

400

The protection and wise use of natural resources

WHqat is conservation?

500

Ecosystems are smaller areas within biomes that include communities of organsisms and their non living environment

How are ecosystems different from biomes?

500

this zone of the ocean has the coldest , darkest conditions.

What is the abyssal zone?

500

True or false

Even though matter and energy enter and leave an ecosystem, they are never destroyed.

True

500

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.

500

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.

M
e
n
u