Population Ecology Review 2025 (Unit 2: Set 4)

• 500

• 250

• 75

• 200

Which of the following is random-sampling used for?

• Vegetation/plants

• Animals

• People

• Bacteria

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

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

The equation for finding population density is

The number of a given species in one area is called

• population distribution

• population density

• random quadrat sampling

• mark and recapture

• 19

• 40

• 72

• 30