Random Quadrat Sampling (Unit 2 Set 1) (2025)

What do you call all the members of one species in a given area?

• Population

• Community

If you have 145 zebra per square mile, you are describing the ______________ ?

• Population size

• Population Density

• Population Distribution

• Sex Ratio

What type of population would you ESTIMATE using a quadrat?

• 
• 
• 
• 

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

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

calculate the density of a 30 km² area containing 24 lions

• 0.8 lions per km²

• 1.25 lions per km²

• 720 lions per km²

• 6 lions per km²

All of the elephants that live in a specific area at the same time make up a _____________________.

• ecosystem

• community

• population

• biosphere

The equation for finding population density is

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

Tags

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

All the organisms that live and interact in an ecosystem

• Population

• Community

• Habitat

• Interdependent

Tags

NGSS.MS-LS2-2