What is the carrying capacity of the graph?

• around 500

• more than 800

• less than 300

• around 700

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Which of the following would INCREASE the carrying capacity of an ecosystem?

• increase in predators
• disease
• increase in available food
• drought

Tags

NGSS.MS-LS2-1

Match the following

• Parasitism

• 
• Symbiosis

• 
• Predation

• 

Tags

NGSS.MS-LS1-4

NGSS.MS-LS2-4

A scientist was studying a population of fish in a pond over a period of 10 years. He observed that

the population increased each year for 3 years, and then remained nearly constant for the rest of

the study. The best explanation for this observation is that the population had

• stopped reproducing

• reached carrying capacity

• mutated into a different species

• run out of food and all died

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

If there are 100 KJ of energy available at the secondary consumer level, how many KJ of energy are available at the producer level?

• 10 KJ

• 1,000 KJ

• 10,000 KJ

• 1 KJ

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

This graph shows an increase in the population of humans in a city. TWO ways that populations get bigger are...

• Births

• Deaths

• Immigration

• Emigration

Tags

HS-LS2-1

Which of these factors would cause a bear population to emigrate?

• More plants grow in a forest

• The size of a forest increases

• Plants produce fewer berries each year

• More bears are available to mate with

Tags

HS-LS2-1

This graph shows the size of a population of moths over time.

Select the part of the graph that shows the carrying capacity of the moths.

Tags

HS-LS2-1

The difference between immigration and emigration is that IMMIGRATION is when (a)   and emigration is when ​ (b)   .

• new members enter a population
• members of a population leave
• population size does not change

Tags

HS-LS2-1

An example of an abiotic factor that affects black bears is...

• Space

• Food

• Competition

• Predators

Tags

HS-LS2-1