Ecology High School

Clive wants to estimate the number of bees in a beehive. Clive catches 50 bees from the beehive. He marks each bee with a dye. He then lets the bees go. The next day, Clive catches 40 bees from the beehive. 8 of these bees have been marked with the dye. (i) Work out an estimate for the number of bees in the beehive.

• 350

• 250

• 220

• 400

You are testing how the amount you water a plant affects its growth. What would be the INDEPENDENT VARIABLE in this experiment.

• They type of pot you put the plants in.

• The amount you water each plant.

• The amount of sunlight the plants get.

• The amount the plant grows.

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

Sadie is testing how the age of a seed affects how fast plants grow. Look at the picture to see if you can figure out what makes her experiment unfair. Mark all that apply.

• She used different types of seeds/plants.

• The plants are in different kinds of pots.

• She did not plant very many plants.

• Seed age might not make a difference.

Tags

NGSS.MS-LS1-5

Which one of these is a correct assumption you need to make about a population between samplings?

• It is a closed population

• It won't rain between samplings

• There are lots of deaths

• There are lots of births

A group of individuals belonging to the same species living in the same general area at the same time.

• population

• community

• ecosystem

• biosphere

Tags

NGSS.MS-LS4-4

Study of populations in relation to environment, including environmental influences on density and distribution, age structure, and population size.

• population ecology

• community ecology

• ecosystem ecology

• biosphere ecology

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Number of individuals per unit area or volume.

• denisty

• dispersion

• survivorship

• immigration

Tags

NGSS.MS-LS2-4

The pattern of spacing among individuals within the boundaries of the population.

• dispersion

• density

• immigration

• survivorship

New individuals move into a population.

• immigration

• emigration

• migration

• survivorship

When individuals in a population move out or away.

• emigration

• immigration

• migration

• dispersion