Adaptations, interdependence and competition

An (a)   is the interaction of a community of living organisms with the abiotic parts of their environment.

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-3

What is a community called where all the species and environmental factors are in balance so the population sizes remain fairly constant?

• Even

• Stable

• Balanced

• Eco

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-3

NGSS.MS-LS2-5

Tick the abiotic factors (tick 3)

• Food

• Temperature

• Soil pH

• Pathogens

• Light intensity

(a)   (the sum of the values divided by the number of values)

What is the middle value of the range called?

• Mean

• Mode

• Median

• Average

What is the most frequently occurring value called?

(a)  

What would be the most appropriate piece of apparatus to investigate the number of flowers in a field?

• Quadrat

• Transect

• Belt Transect

• Magnifying Glass

What is the sample area of a quadrat that measures 0.5m by 0.5m?

• 0.5m2

• 2.5m 2

• 0.25m 2

• 5m2

Which of these are important why using a quadrat to ensure you get valid data? Tick 3 boxes.

• Use same size quadrat each time

• Randomly place the quadrat

• Placing the quadrats enough times to get representative data.

• Throwing the quadrat

• It is nice and sunny

What is the range of this data? 3,4,3,4,5,2,6,7,3,3

• 3-7

• 1-7

• 1-10

• 2-7