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WorksheetsBiodiversity and Succession
Total questions: 20
Worksheet time: 10mins
What is not one of the seven biomes
grassland
connifery
grassland
savannah
Why does increased biodiversity result in a more sustainable ecosystem?
greater number of plants
more able to adapt
narrow transistion
fewer species
How does biodiversity affect sustainability?
The greater the biodiversity, the greater the sustainability.
The greater the biodiversity, the lesser the sustainability.
The lesser the biodiversity, the greater the sustainability.
Primary and secondary succession start with pioneer species that...
allow predators
invade and take over
allow more complex organisms
prevent non-native organisms
Which would be a more sustainable ecosystem?
sidewalk
desert
forest
grassland
What are the most common pioneer species in primary succession?
grasses and shrubs
lichens and moss
conifer trees
bacteria
What is the first thing that is observed in an overgrown garden?
topsoil
growth of weeds
trees and shrubs
streams
What would cause a frog to appear in a grassy field?
increased number of insects
reduced owls
less grass
flood causing streams
What would be the best adaptations for a cold environment?
scales
webbed feet
fast swimmer
thick fur
Which plants are best adapted to the tundra?
thick leaves, extensive roots
small leaves, dormant period
low growing, hairy, grow in clumps
leaves with drip tips, smooth bark
Good adaptation for grasslands would be...
hibernation
thick fur
tall plants
regrow after fire
What will happen if some of the species in a coral reef were destroyed?
Reef would expand
Reef would deteriorate
Reef would become more colorful
Reef would lose oxygen
Biodiversity is...
The amount of plants in an area
the amount of animals in an area
The amount of different living things in an area
the amount of soil in an area
What happens when an invasive (non-native) species is added to an area?
Number of naive species decrease
Number of native species increase
Number will not be affected
What three things does an organism need for a suitable habitat?
food, water, sunlight
food, oxygen, grass
oxygen, grass, sunlight
food, water, shelter
Which ecosystem is likely to get pioneer species?
forest
undisturbed prairie
mountain lake
volcanic island
In which order does succession take place?
grasses, flowering plants, shrubs, trees
trees, shrubs, flowering plants, grasses
shrubs, grasses, flowering plants, trees
flowering plants, threes, shrubs, grasses
Which biome has the greatest biodiversity?
desert
rainforest
taiga
tundra
Which biome has the least biodiversity?
desert
rainforest
taiga
savannah
How does deforestation, pollution, and logging affect ecosystems?
destroys habitats and increases biodiversity
destroys habitats and decreases biodiversity
creates new habitats
creates biodiversity
