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Biomes of North America

Hayley Coon

Table of Contents

2-Freshwater Biomes

3-Marine Biomes

4-Desert Biomes

5-Tundra Biomes

6-Grassland Biomes

7-Deciduous Biomes

8-Temperate Forest biomes

9- Coniferous Biomes

The American crocodile is an endangered species found in freshwater areas. The are found in Mexico, Ecuador, and in southern Florida. Previously this crocodile was hunted by Americans, now it is danger due to the lack of wetlands. Scientists are searching for ways to protect wetlands and secure their habitats.

American Crocodile


Freshwater climates vary based on the climate in that area. Water temperatures change and vary depending on the light concentration and other surrounding environment.

Freshwater Biomes

Freshwater Biomes are:

-Areas of water that are not salty

-Organisms living in a certain freshwater area are affected by water temperature, light penetration, dissolved materials

-Freshwater can be of different water quality, such as: clean, murky, dirty, and muddy

American Crocodile

Examples of Plants and Animals:

Plants near or in swamp areas:

1) Phytoplankton

2)Various trees

Animals in Swamp Areas:

1) Shrimp

2) Crawfish

Snake River

Marine temperatures can vary depending on the area. Some areas of the ocean can be as warm as over 100 degrees fahrenheit to over -40 degrees fahrenheit. This temperature rises the closer the water is to the equator and the amount of sun that directly hits the water. Water temperature also varies depending on the depth. The climate can also vary based on currents and area where it is.

Temperature and Climates

Marine Areas

Characteristics of Marine Biomes:

-Salt concentrations of 3% to 3.7%

-The Marine Biome makes up 71% of the Earth's surface

-Diverse due to the area it covers which varies from hot southern areas to more north cold areas


Marine Biome

Vaquita Porpoise

Only an estimated 97 of these dolphins remain. Scientists are petitioning to ban the types of activity that are eliminating this species.

Endangered Species


1) Algae

2) Kelp


1) Orca Whales

2) Sea Otter


1) Cactus

2) Shrubs


1) Peninsular Bighorn Sheep

2) Amargosa Voles

Temperature and Climates

Temperatures in deserts vary but they usually always have about less than 10 inches of precipitation, whether it is rain or snow. Deserts are usually formed due to the lack of precipitation in the air.

Characteristics of Desert Biomes

-Precipitation is usually less than 10 inches per year

-Desert conditions are found on approximately 35% of the Earth's land

-Daytime temperatures are usually hot and the nights very cold

Desert Biomes

The Peninsular bighorn sheep are a member of the sheep family. They reside in the southern area of the western side of the United States. They have been deemed endangered due to the human interference and habitat destruction.  Scientist have created a recovery plan to replenish the population.

Endangered Species

Climate and Temperature

The temperature in the tundra is extremely cold. Usually an average of -18 degrees fahrenheit, but temperatures can even drop to -94 degrees. The climate is similar to the desert in the way that it does not receive more than 6-10 inches of precipitation, which is usually always snow.  

Endangered Species 

Polar bears are an endangered species. They are threatened by multiple reasons. One of the main causes is the habitats of the animals are being altered by rising temperatures. Human causes are leading the animals to decrease in population. Scientists are working on recovery plans but have already deemed millions of acres as protected habitat for the polar bears in Alaska.

Tundra Biomes

Characteristics of the Tundra:

1) Minimal precipitation(6-10 inches annually)

2) 1,700 different variations of vegitation

3) 48 different land mammals found in the tundra


1) Shrubs

2) Moss


1) Peary caribou

2) Arctic fox

Temperature and Climate

The temperature and climate of the grassland areas is usually warm in the summer and spring. Some areas can even reach above 100 degrees farenheit in the warmer months. Some areas can reach -40 degrees in some areas during the colder months. Precipitation is not vast but is enough to suffice for many plants, not many trees survive though. Fires are common in many grassland areas.

Characteristics of Grasslands:

-An area where annual precipitation is enough to support grasses and few other plants, but little trees

-There are over 80 species of animals and over 300 species of birds

-Certain areas of grassland can be more moist depending on the humidity and nearby waters

Grassland Biomes

Endangered Species

The swift fox is an animal that once used to flourish in the grassland areas. It lived amongst short and mixed-grass areas. These animals are being out hunted by coyotes, being hit by vehicles, and is missing suitable habitat. Scientists are working to find the best place to reintroduce swift foxes back into habitats. They are also monitoring the animals to gain knowledge.


1) Foxtail

2) Oats


1) Bison

2) Coyotes

Temperature and Climate

The temperature of the deciduous forest biome is usually around 50 degrees. The precipitation for the deciduous forest biome is usually around 30-60 inches annually. Most leaves stay on the trees throughout the winter months due to their specific adapted qualities.

Characteristics of the Deciduous Forest Biome:

-Primarily in the Eastern United States

-Certain trees have special adaptations to stay alive during the winter

-Large amounts of various flowers 


1) Dogwood Leaves

2) Evergreen Trees


1) Black Bear

2) Fox

Deciduous Forest Biome

Endangered Species

The gray and red wolves are both wolves that are extinct or near extinction. The red wolf entered extinction in the wild between the 1980's to the 1990's. They are now living in captivity and being bred to be able to enter the wild again. There are now only 5,000 or less gray wolves left in the United States between the West and East areas of the United States.

Temperature and Climate

The temperatures can vary from -22 degrees fahrenheit to upwards of 80 degrees fahrenheit in the summer time.  Rain and snow can usually go from 20 inches to upwards of 60 inches of precipitation of rain and snow a year. 

Temperate Forest Biomes

Endangered Species:

An endangered species that was is indigenous to asia is the giant panda. The giant panda is the most recognizable endangered animal on the planet. Due to human population ruining habitat as well as poachers.Scientists and zoologists have put in methods to prevent further endangerment to the animal.

Characteristics of Temperate Forests:

-Able to support and maintain large amounts of vegetation

-Large amount of plant and animal variety

-Contains many animals who hibernate in the winter


1) Wild sarsaparilla

2) Indian cucumber


1) Bears 

2) Raccoons

Endangered Animal

An endangered animal in the coniferous forest would be the woodland caribou. Industrial development, gas and oil exploration, amongst other activities are the leading cause of the declining population. Scientists are exploring possible recovery options.

Characteristics of Coniferous Forests:

-Known for long cold winters and short summers

-Trees in these forests usually have extra thick bark to protect from the cold

-Temperatures rarely surpass 10 degrees celsius

Coniferous Forest Biomes

Temperature and Climate

The climate is known for its long winters and short summers. There is little growing time available throughout the year, so the more north you get the less dense the trees are. Rain and snow averages 25 to 35 inches a year.


1) Douglas Fir

2) Spruce


1) Deer

2) Vole

Works Cited,,

“Endangered Animals in Freshwater Biomes.” Sciencing,

“Characteristics of a Marine Biome.” Sciencing,

“Tundra.” Alpine Biome,

“Grasslands.” Grasslands Biome,

Parks Canada Agency, Government of Canada. “Index.” Parks Canada Agency, Government of Canada, 1 Apr. 2017,

“Deciduous Forest.” Deciduous Forest,

Bailey, Regina. “What's It Like in a Temperate Forest Land Biome?” ThoughtCo,

“GCSE Bitesize: Characteristics.” BBC, BBC,