WorksheetsWhat is biodiversity?
Total questions: 18
Worksheet time: 11mins
The level of biodiversity that involves a variety of habits and communities is _____ diversity.
ecosystem
population
genetic
species
What level of biodiversity is most commonly equated with the overall concept of biodiversity?
genetic
ecosystem
species
population
Why is biodiversity important to ecosystems?
It helps populations adapt to ecological changes.
It increases at each level of the food chain.
It provides more abiotic factors for the ecosystem.
How many species are known to be living on Earth?
between 10,000 and 100,000
between 1 and 2 million
between 5 and 9 million
between 10 and 50 million
Biodiversity, aka biological diversity, usually refers to
the same species in a general location
the number of different species in a given area
the number of animal species in a given area
the number of plant species in a given area
Define genetic diversity
variation of genes within a species or population in a given area
variety of ecosystems in a given area
system made up of all the living and nonliving things in a given area
disturbance in the environment conditions that cause genetic changes to occur in organisms
Which statement best describes an example of low species diversity?
A population of frogs has a wide variety of skin colors
A marsh ecosystem is covered by a single species of cattail bulrushes
A state park includes multiple forest, wetland, and freshwater ecosystems
Which statement best describes an example of high species diversity?
A pond ecosystem is populated by a single species of frogs
A state park includes multiple forest and freshwater ecosystems with many different species of fish, frogs, and birds
A desert ecosystem is populated only by organ pipe cacti, camels, and armadillo lizards
Which of the following in not an example of a keystone species?
Beavers
Round Gobies
Sharks
Sea Otters
Which level of biodiversity helps to prevent the negative effects of bottlenecks?
Ecosystem diversity
Genetic diversity
Species diversity
Ecotourism is a form of tourism that supports the conservation and sustainable development of ecologically unique areas.
True
False
A mixture of two different types of crops is known as...
keystone species
ecotourism
hybrids
endemic species
Which of the following is not one of the advantages of biodiversity to humans?
Medical uses
Recreation
Industrial uses
Bottlenecks
Put the levels of biodiversity in order from largest to smallest.
Ecosystem Diversity
Species Diversity
Genetic Diversity
Which of the following best illustrates ecosystem diversity?
A field planted with a single crop species
A pond with only one species of fish
A forest with many different types of trees, shrubs, and animals
A population of wolves with varied fur colors
What is the main consequence of reduced genetic diversity in a population?
Increased resistance to diseases
More food sources available
Higher risk of extinction due to environmental stress
Greater ability to adapt to environmental changes
Which practice can help maintain biodiversity in agricultural systems?
Crop rotation and intercropping
Overuse of chemical pesticides
Clearing natural habitats for farmland
Monoculture farming
