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WorksheetsESS - Topic 3.1 - Introducing biodiversity
Total questions: 10
Worksheet time: 5mins
Critical biodiversity hot spots are located ...?
In open oceans
In deserts and tundra biomes
In areas with high human development
In coastal environments and tropical rainforests
The current rate of species becoming extinct in the last hundred years has ...?
Increased due to natural catastrophies
Increased largely due to human developments
Decreased due to human conservation efforts
Largely remained unchanged as it is a natural evolutionary process
Species diversity is determined from ...?
The total population of all species
All of these
The eveness of populations of the species found
the number of species or species richness
Biodiversity is important to ecosystems because ....?
it increases as trophic levels increase
It increases the ecosystem's stability
It decreases the ecosystem's productivity
It decreases the less human impact
The greatest loss in biodiversity due to human activity is occurring in which biome?
Boreal forest
Tundra
Savannah
Tropical rainforest
Sea otters eat sea urchins while sea urchins eat kelp (pacific seaweed). If sea otters are hunted, how does this affect the ecosystem?
The population of the sea urchins will increase
The biomass of the kelp will be reduced
The biodiversity of the ecosystem is reduced
The biodiversity of the ecosystem is increased
Which type of biodiversity considers both biotic and abiotic factors?
None of these
Genetic diversity
Species diversity
Habitat diversity
Biodiversity can be defined as ....?
Species diversity
Genetic diversity
All of these
Habitat diversity
Which of the following activities is likely to cause the diversity index of a study site to be higher in the future compared to others?
Increasing the number of roads through the tropical rainforest to encourage tourism in Indonesia
The Cayman Islands banning fishing on all coral reefs.
North America converting more land to agriculture to feed a growing world population.
Mangrove forests cut down for shrimp farms in Thailand.
Which of the following human activities does NOT depend on biodiversity?
Agriculture
Fishing
Pharmaceuticals
Tourism
