Biodiversity Life on Earth

Which of the following is the correct definition of an 'ecosystem'?

• The role an organism plays within its community.

• The different organisms living within a given area.

• The variety of organisms living in a given area.

• All the living organisms in their habitat and the non-living components with which they interact.

Which of the following is the correct definition of a 'population'?

• The number of one species in a given area.

• The number of living organisms in a given area.

• The variety of living things in a given area.

• The role an organism plays in a given area.

Which of the following is the correct definition of a 'community'?

• The number of one species in a given area.

• The number of living organisms in a given area.

• The variety of living things in a given area.

• The role an organism plays in a given area.

Which of the following is an example of an abiotic factor?

• Disease

• Temperature

• Predation

• Food Availability

Which of the following methods would be suitable for measuring the abundance of slow moving ground invertebrates?

• Pitfall Trap

• Tree Beating

• Pond Dipping

• Quadrats

Which of the following is a source of error when taking a light meter reading?

• Casting a shadow over the meter.

• Cross contamination of the meter.

• Forgetting to calibrate the meter between uses.

• Forgetting to camouflage the meter.

• Dromopoda

• Arachnida

• Chilopoda

• Diplopoda

Living organisms are separated into groups depending on shared what?

Which word described the distribution and variation that exists among all living organisms

• abundance

• adaptation

• biodiversity

• variation

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-4

Match the following sampling equipment up with the organism being sampled

• invertebrates living on branches

• tree beating

• ground living invertebrates

• quadrat

• small invertebrates

• pooter

• slow/ stationary invertebrates and plant

• pond net

• animals from water

• pitfall trap