Population Dynamics Biology

What will happen to the population when the death rate is larger than the birth rate?

• grow
• shrink
• stay the same

Tags

NGSS.MS-LS2-4

What will happen to the population when the birth rate is larger than the death rate?

• grow
• shrink
• stay the same

There is a flock of 21 birds. 3 birds immigrate to the flock but 9 emigrate. 

• grow; 15 birds in the end
• shrink; 15 birds in the end
• grow; 27 birds in the end
• shrink; 27 birds in the end

Tags

NGSS.MS-LS2-4

There is a herd of 45 cattle. 1 is born and 2 die. 6 emigrate to another farm and 3 immigrate to the herd. 

• shrink; 41
• grow; 41
• grow; 47
• shrink; 47

What type of growth is represented behind?

• exponential
• logistics
• a good kind
• representative

Tags

NGSS.MS-LS1-5

Which of the following is an EXAMPLE of a density-dependent limiting factor?

• Water
• Major flood.
• Migration
• Thick fur

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-1

The  number of individuals a habitat can sustain with the resources it has available

• Carrying capacity
• Limiting factors
• Resources
• Population

Tags

NGSS.MS-LS2-1

An environmental factor such as storms and extreme heat or cold that affects population regardless of their density

• density- dependent factor
• population density
• dispersion
• density- independent factor

Tags

NGSS.HS-LS2-6

NGSS.HS-LS4-5

An environmental factor such as predation, disease, and competition that depends on the number of members in a population per unit

• dispersion
• density- independent factor
• density- dependent factor
• population growth rate

Tags

NGSS.MS-LS2-4

What does a limiting factor do?

• makes a population grow large
• stops a population from growing large
• helps organisms adapt to abiotic factors
• provides geographical boundaries for migration

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-1