EnviroSci -- Chapter 6: Biomes & Aquatic Ecosystems

Which of the following are NOT classified as biomes?

What percentage of Earth's surface is covered in water?

For an aquatic biome to be considered salt water, the salinity must be at least this low:

Life underwater is greated affected by light availability, which is directly related to

Under water, photosynthesis is mostly limited by the amount of ___________ available.

Biomes that are _______________ have the highest net primary production.

A plant that grows on other plants instead of soil is called a/an

In ponds, lakes, and inland seas, the shallow near-shore portion of the photic zone is called

Areas of land that are flooded with water at least part of the year are called

Biomes that are _______________ have the lowest net primary production.

A dense covering formed by tall trees is called the

The layer of shorter trees and plants that exist beneath a canopy is called the

The ocean’s _____ zone extends out from the low-tide mark to the edge of the continental shelf.

True or False: A body of water's benthic zone will always be in its aphotic zone.

The vertical flow of cold, nutrient-rich water towards the surface is called

Which ecosystems are considered standing freshwater ecosystems?

In lakes and ponds, the ________ zone is the area farther from the shore with no rooted plants.

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

The _______ zone is the area of shoreline covered during high tide & uncovered during low tide.

Marshes, swamps, and bogs are examples of

Some animals deal with dry seasons by entering a dormant state called ____________________.

How many major biomes are there?

In temperate rain forests, trees that do not lose their leaves at any time of year, are called

Scientists use criteria such as salinity, depth and whether the water is flowing or standing to

Which of the following describes the frozen underground soil found in the tundra?

Which zone of an aquatic ecosystem tends to have more life—both producers and consumers?

For an aquatic biome to be considered salt water, the salinity must be at least this high:

Rivers and streams are types of _____________ freshwater ecosystems.

What ocean zone begins at the edge of the continental shelf and then extends into deeper water?

The very bottom of a body of water is called the ____________________ zone.

An area's average conditions, including temperature and precipitation, over long periods is its

Some animals avoid the winter by going into ____________________, a deep, sleeplike state.

Area where rivers flow into the ocean and mix fresh with salt water, brackish ecosystems occur.

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

The tallest trees which pop out through a canopy is called the

The day-to-day conditions in Earth's atmosphere, such as "sunny and humid", describe the

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

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

____________________ trees lose their leaves and stop photosynthesis during part of the year.

Which of the following describes the aphotic zone in an aquatic ecosystem?