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Heard animals are usually concentrated in the _____ biome.

Heard animals are usually concentrated in the _____ biome.

Microscopic organisms that float in the sunlit regions of the ocean are ____

Microscopic organisms that float in the sunlit regions of the ocean are ____

The great northern coniferous forest are part of the ___ biome

The great northern coniferous forest are part of the ___ biome

_____ is a layer of soil that remains frozen throughout the year

_____ is a layer of soil that remains frozen throughout the year

____ is a major limiting factor of the tundra biome.

____ is a major limiting factor of the tundra biome.

A body of water near the coast that is partly surrounded by land contains

A body of water near the coast that is partly surrounded by land contains both fresh and salt water is known as the ____

Phytoplankton, which obtain energy by photosynthesis, are usually found concentrated in the ____ zone

Phytoplankton, which obtain energy by photosynthesis, are usually found concentrated in the ____ zone of the ocean.

______ is the replacement of one community by another as environmental conditions change

______ is the replacement of one community by another as environmental conditions change

A _____ community is usually the stable result of succession.

A _____ community is usually the stable result of succession.

The region of the ocean shallow enough for sunlight to penetrate is the ____

The region of the ocean shallow enough for sunlight to penetrate is the ____

_____ factors restrict the numbers of organism that can exist.

_____ factors restrict the numbers of organism that can exist.

The portion of the shoreline that is affected by high and low tides is

The portion of the shoreline that is affected by high and low tides is the ______ zone.

Age, physical condition, and stage in its life cycle may all influence an organism’s

Age, physical condition, and stage in its life cycle may all influence an organism’s limits of ______

Conditions that restrict the existence, population size, reproductive success, or distribution of organism are

Conditions that restrict the existence, population size, reproductive success, or distribution of organism are called ______.

The range of factors under which an organism functions and survives is known as

The range of factors under which an organism functions and survives is known as ____

The _______ community is a stable, mature community that undergoes little or no succession.

The _______ community is a stable, mature community that undergoes little or no succession.

The _____ is a region dominated by deciduous trees.

The _____ is a region dominated by deciduous trees.

The colonization of new sites by communities of organism is _______ succession.

The colonization of new sites by communities of organism is _______ succession.

A large group of ecosystems characterized by the same type of climax community is

A large group of ecosystems characterized by the same type of climax community is called a _____

The ____ is an arid region characterized by little or no plant life.

The ____ is an arid region characterized by little or no plant life.

An uncut lawn becomes a meadow and eventually a forest. This process is an

An uncut lawn becomes a meadow and eventually a forest. This process is an example of _____ succession.

In oceans _____ produces food by photosynthesis. _____ eats phytoplankton, which is eaten by

In oceans _____ produces food by photosynthesis. _____ eats phytoplankton, which is eaten by _____

If fish in a tank of slightly alkaline water, the fish stop reproducing if

If fish in a tank of slightly alkaline water, the fish stop reproducing if the water becomes too alkaline. This is an example of _____

The factor that differentiates the photic and aphotic zones in oceans is _______.

The factor that differentiates the photic and aphotic zones in oceans is _______.

The stable ecosystem that develops due to succession is called a ______

The stable ecosystem that develops due to succession is called a ______

_______ is the ability of an organism to withstand changes in abiotic and biotic

_______ is the ability of an organism to withstand changes in abiotic and biotic factors in an ecosystem

What is a succulent plants with thorns that are common in desert biomes?

What is a succulent plants with thorns that are common in desert biomes?

The first organisms to appear in an area undergoing succession are known as _______

The first organisms to appear in an area undergoing succession are known as _______

The absence of permafrost and presence of coniferous trees as the dominant climax plants

The absence of permafrost and presence of coniferous trees as the dominant climax plants characterize the ____ biome.

Salt marsh ecosystems are usually associated with _______.

Salt marsh ecosystems are usually associated with _______.

The concentration of dissolved salt in estuary water would be between the concentration of

The concentration of dissolved salt in estuary water would be between the concentration of salt in river water and _____ water.

In a _____ biome, decomposition occurs too quickly for humus to form.

In a _____ biome, decomposition occurs too quickly for humus to form.

Water temperature and light are two ____ (abiotic or biotic) factors that affect the

Water temperature and light are two ____ (abiotic or biotic) factors that affect the tolerance range of organisms in a lake.

Fires, natural disasters, and human intervention are possible causes of _______ succession.

Fires, natural disasters, and human intervention are possible causes of _______ succession.

______ communities are characterized by complex food webs, many different species of organisms, and

______ communities are characterized by complex food webs, many different species of organisms, and little or no succession.

Intertidal zone produces (few or many) produce Why?

Intertidal zone produces (few or many) produce Why?

In which biome would you find only shallow-rooted grasses and small plants like lichens

In which biome would you find only shallow-rooted grasses and small plants like lichens and moss.

In which biome would you expect to find the greatest biomass?

In which biome would you expect to find the greatest biomass?

Another name for grasslands is ____

Another name for grasslands is ____

The floating protists, animal eggs and larvae in photic zones are known as ____

The floating protists, animal eggs and larvae in photic zones are known as ____

The top layer of the rain forest is called?

The top layer of the rain forest is called?

The lowest layer of the tropical rain forest is the ______.

The lowest layer of the tropical rain forest is the ______.

The middle sections of the tropical rain forest is the ______

The middle sections of the tropical rain forest is the ______

Another name for the Taiga is _______

Another name for the Taiga is _______

The causes of ocean tides rising and falling is ______

The causes of ocean tides rising and falling is ______

The thick matt of grass that traps organic material in the aquatic biomes.

The thick matt of grass that traps organic material in the aquatic biomes.

Two examples of pioneer species are ____.

Two examples of pioneer species are ____.