Modeling Population Changes

A population of rabbits experiences 500 births in 1 breeding season and 30 rabbits die of disease or predation.  This population will ________ because births are ______ than deaths.

• increase, greater

• decrease, greater

• remain constant, equal

• decrease, less

Tags

NGSS.MS-LS2-4

A population of wild horse experiences 5 births in 1 breeding season and 15 deaths due to disease, starvation, and natural disaster.  This population will ________ because births ________ than deaths.  

• increase, greater

• decrease, greater

• remain constant, equal

• decrease, less

Tags

NGSS.MS-LS2-4

A population of gray wolves experience 5 births in 1 breeding season and 5 deaths due to disease and starvation. This population will ________ because births ________ deaths.  

• increase, greater

• decrease, greater

• remain constant, equal

• decrease, less

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Examine the graph below. During which period of time did the births of lynx exceed the deaths of lynx?

• 1910-1913

• 1913-1919

• 1925-1929

• 1915-1916

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Examine the graph below. During which period of time did the births of lynx equal the deaths of lynx?

• 1910-1913

• 1913-1919

• 1925-1929

• 1915-1916

Tags

NGSS.MS-LS2-1

Examine the graph below. During which period of time did the deaths of lynx exceed the births of lynx? Select all that apply.

• 1910-1913

• 1913-1919

• 1925-1929

• 1915-1916

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

A population of 20 wolves lives on an island and survives by hunting a population of moose. Over a 5 year period they have 20 pups and 11 deaths. What is the population of the wolves after 5 years?

• 11

• 29

• 51

• 60

1. A flock of 25 birds lives in a sanctuary. Over a 6-year period, they have 60 chicks and 20 deaths. What is the population of the birds after 6 years?

• 20

• 25

• 60

• 65

Tags

NGSS.MS-LS2-1

1. A herd of 30 deer lives in a national park. Over a 4-year period, they have 15 fawns and 40 deaths. What is the population of the deer after 4 years?

• 0

• 5

• 55

• 70

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

1. A group of 15 foxes lives in a woodland area. Over a 5-year period, they have 25 kits and 25 deaths. What is the population of the foxes after 5 years?

• 0

• 5

• 10

• 15

Tags

NGSS.MS-LS2-4