Chapter 6 Biomes and Aquatic Ecosystems

These trees in tropical dry forests lose their leaves & stop photosynthesis part of the year

Uppermost layer of an aquatic ecosystem with enough sunlight for photosynthesis to occur

The organic matter, or biomes, that remains after cellular respiration

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

A group of ecosystems that share similar abiotic and biotic conditions

Ecosystem spread between the uppermost reach of the high tide & the lower limit of the low tide

Type of large brown algae that grows from the ocean floor upward to the surface?

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

In temperate rain forests, trees like cedars & spruces don’t lose their leaves. They’re called

The very bottom of a body of water

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

The average conditions, including temperature and precipitation, over long periods in an area

Why do shorter trees &plants in the understory of tropical rain forests have large flat leaves?

Rivers flow into oceans, mixing fresh water with saltwater, brackish ecosystems called _ occur

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

In which ocean zones do crabs, mussels, anemone, barnicles, and sea stars live?

Which ecosystems are considered standing freshwater ecosystems?

A deep, sleeplike state that an animal enters for most of the winter in temperate forests

A bog is a wetland that

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

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

Day to Day conditions in Earth's atmosphere, such as "sunny and humid," describe

Marshes, swamps, and bogs are examples of

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

The layer below the photic zone where no sunlight penetrates and photosynthesis cannot occur

Areas nearest a river’s course that are flooded periodically are said to be within the river’s

The vertical flow of cold, nutrient-rich water toward the surface

Which biome would have the lowest net primary production?