N3 Biology biodiversity

What does biodiversity mean?

• The number of organisms within a species

• The variety of living things within an ecosystem

• The number of steps within a food chain

• How biology is divided

What are three main types of living things

• plants, animals and microbes

• Fish, birds and insects

• insects, birds and bacteria

• Things that fly, craw or swim.

The place where an organism lives is called

• Turf

• Territory

• Home

• Habitat

The technique which ecologists use to quantify the biodiversity of area is called?

• Sampling

• Documentation

• Recording

• Observation

Which of these ecosystems do you expect to have the highest biodiversity?

• Top of mount Everest

• Scottish highlands

• Desert

• Tropical rain forest

Which of these is not an invertebrate?

• Spider

• Snake

• Earth worm

• Dragon fly

Which of these will not be trapped by a pitfall trap?

• Beatle

• Spider

• An ant

• Sparrow

The apparatus used to quantify plants is called

• Camera

• Pitfall trap

• Quadrat

• Notepad

Which of these factors will increase the biodiversity of an area?

• Plenty of food

• Lots of sun

• By the sea

• No wind

Why is it that the higher the biodiversity the healthier the ecosystem?

• Healthy ecosystem has more insects that feed everything else

• Healthy ecosystem tends to make bigger animals

• High biodiversity of an ecosystem allows it to more resilient to changes

• High diversity means the area is looked after people