Changing Population Trends

The total number of organisms in a population.

• Population Size
• 632,000
• Immigration
• Community

2 factors which increase population size

• Birth Rate, Immigration
• Death Rate, Immigration
• Birth Rate, Emigration
• Death Rate, Emigration

What do you call the population size represented by the dashed-Line

• Carrying Capacity
• Limiting Factor
• Ecosystem
• Death Rate

What type of population change does this graph represent

• Exponential Growth
• Massive Die-off
• Linear Growth
• Decrease in Birth-Rate

Tags

NGSS.HS-LS4-2

The number of organisms in a population which die each year 

• Death Rate
• Birth Rate
• Immigration
• Emigration

When organisms move into and join a new population

• Immigration
• Birth Rate
• Death Rate
• Emigration

When organisms leave a population and move away

• Emigration
• Immigration
• Birth Rate
• Death Rate

The number of organisms in a population that an ecosystem can support

• Carrying Capacity
• Limiting Factor
• Birth Rate
• Ecology

2 factors which decrease population size

• Birth Rate, Immigration
• Death Rate, Immigration
• Birth Rate, Emigration
• Death Rate, Emigration

From 1901-1981 how would you describe the Raven Population

• Below Carrying Capacity
• Above Carrying Capacity
• At Carrying Capacity
• Bird-Like

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4