Ch 6: Biomes & Aquatic Ecosystems

grasses thrive despite droughts & plants adapted to promote burning of wildfires

characterized by woody plants

In lakes and ponds, the _____ zone is the area farther from the shore.

The NERITIC ZONE contains over 90% of the ocean's water.

In the graph, solid line means precipitation & dashline means temperature. What type of conditions does A indicate

Name the type of large brown alge that grows from the ocean floor of continental shelves, reaching up toward the sunlit.

characterized by grasses

Ecologist use similarities between ecosystems to classify them into broad categories called

Which statement about the littoral zone in a lake or pond is true?

In temp. rain forests, trees such as cedars & spruces, which DON'T lose their leaves @ anytime of the year, are called

The uppermost layer of an aquatic ecosystem, there is enough sunlight for photosynthesis to occur, is called _____ zone

has very acidic soil, so blueberry bushes grow well in this biome.

Where ocean meets land, _____ ecosystems spread between the uppermost reach of high tide & the lower limit of low tide

lowest diversity

driest biome, but not hot

treeless biome, with grasses and tough shrubs that grow in frozen soil

standing water

Rivers and stream are types of STANDING freshwater ecosystems.

_____ is the vertical flow of cold, nutrient-rich water toward the surface.

Where rivers flow into the ocean, mixing freshwater w/ saltwater, brackish ecosystems occur which are called

Also known as the boreal forest

extremely poor soil

Why do short trees & plants that make up the understory in tropical rain forests have large, flat leaves?

Which zone of a aquatic ecosystem tends to have the highest temperatures?

Which biome would have the lowest new primary production.

Under water, photosynthesis by aquatic plants & phytoplankton is mostly limited by the amount of OXYGEN available.

Water with a salinity that is greater than fresh water but less than saltwater is classified as

Most trees in tropical dry forest are

Criteria such as salinity, depth, & whether the water is flowing or standing are used by scientists to

WARM & WET biomes have the lowest net primary production.

To help them survive in the tundra, caribou have various adaptations, such as

What is the difference between swamps and freshwater marshes?

not enough precipitations to support large trees and has very rich soil

In which ocean zones do crabs, mussels, anemone, barnacles, & sea stars live?

The rate @ which plants & algae convert solar or chemical energy into energy stored in the bonds of organic sugars is

WEATHER describes the average conditions, including temperature & precipitation, over long periods in a given area.

are colonial structures found in the shallow areas of the neritic zone and are highly diverse

experiences extreme seasonal variations and trees shed their leaves

has a Mediterranean type climate

Marshes, swamps, and bogs are examples of