Year 12 Summer modules recap

Which of these sampling methods is best for estimating population of a plant species?

• Belt transect

• Random quadrat sampling

• Interrupted transect

• Catch and release

Stage d is the ____ phase for a population

Definition: the maximum stable population size of a species that an ecosystem can support

• predator prey relationship

• conservation

• ecosystem

• carrying capacity

Organisms from the same species competing for resources is...

• Interspecific competition

• Intraspecific competition

• Unfair competition

• Internal competition

How would you categorise this argument: We should conserve ecosystems because they provide an area for people to exercise and they make people happy.

• Social reason

• Economic reason

• Ethical reason

• Ecological reason

What is step B called?

• Nitrogenation

• Nitrogen fixation

• Ammonification

• Nitrification

The process by which an ecosystem changes over time is...

• Transition

• Adaptation

• Ecosition

• Succession

Calculate net productivity of the rabbits from the question

• 2000 kJ/m2/year

• 200 kJ/m2/year

• 8000 kJ/m2/year

• 4000 kJ/m2/year

Where will the largest pieces of DNA end up?

• at positive the end of the gel

• near the wells

• in the middle of the gel

• in the buffer

What's the best place to go if your vision seems a bit dodgy?

• The hospital

• Specsavers

• Durham Castle

• Barnard Castle

• Chepstow castle