ECOLOGY

BIOSPHERE

• Size of the earth: 3959 miles
• Population: 7.122 billion

ECOSYSTEM

• Polar bears, arctic foxes, seals, penguin
• Average temperature: under 36 degrees
• Amount of precipitation: 6-10 inches a year
• Location: the arctic

COMMUNITY

• Polar bears habitat: the arctic region
• Niche of the polar bear: specialized predator of seals
• Polar bears diet: ringed seal
• Prey: seals

POPULATION

• Number of polar bears alive today: between 20,000-25,000

ORGANISM

• Name of organism: polar bear
• They are omnivores
• 25 years or less