Unit 2: Population Ecology (Set 1)

• 19

• 40

• 72

• 30

• 500

• 250

• 75

• 200

Which of the following is random-sampling used for?

• Vegetation/plants

• Animals

• People

• Bacteria

All the organisms that live and interact in an ecosystem

• Population

• Community

• Habitat

• Interdependent

Tags

NGSS.MS-LS2-2

What type of population would you estimate using a quadrat?

• 
• 
• 
• 

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

A field with an area of 80m² has 200 sunflowers. What is the population density?

• 1.25 sunflowers per square meter

• 0.4 sunflowers per square meter

• 2.5 sunflowers per square meter

• 16,000 sunflowers per square meter

• 1,678 individuals

• 162 individuals

• 114 individuals

What does this equation tell us?

• community size

• population size

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Ecologists use quadrat sampling to do what?

• estimate the climate of a particular biome

• estimate the population size of a species within a certain area

• observe which trophic level a certain population belongs to

• estimate the likelihood of an organism to survive

If a town has a population of 50,000 people and covers an area of 100 square kilometers, what is the population density?

• 500 people per square kilometer

• 50 people per square kilometer

• 0.002 people per square kilometer

• 5,000,000 people per square kilometer