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WorksheetsChallenges in Biodiversity
Total questions: 15
Worksheet time: 9mins
Biodiversity simply means ____________________.
a variety of life
a variety of plants
a variety of animals
a variety of human race
Which of the followingi is the largest ecosystem in the world?
Dessert
Ocean
Mountain
Grassland
Which of the following is an EXAMPLE of biotic factor in an ecosystem?
Plants
Sunlight
Soil
Light
When can we say that extinction occurs?
when organisms stop reproducing
when the last species dies
when the species is decreasing
when the species is reproducing
Which of the following activities supports the ecosystem sustainability?
Industrialization
Deforestation
Hunting
Reforestation
Which of the following is an abiotic factor?
Animals
Plants
Fungi
Water
Endangered animals are _____________________.
at risk of extinction
captured in the zoo
living in wildlife
at risk of communicable disease
A group of same kind of species living in a certain area at a particular period of time.
Habitat
Ecosystem
Population
Organization
What will likely to happen if there is a rise of population size above the carrying capacity?
Organisms will die because needs cannot be meet.
Organisms will keep on reproducing.
Organisms will consume less supply.
Organisms will move to another ecosystem.
Which of the following factors affects the population size?
Birth
Death
Migration
All of these
Threatened species are _________________.
particular species declining rapidly and becomes endangered
particular species that are increasing and competing for supply
particular species being the target for hunting
particular species that are carrying diseases
Which of the following human activities caused degradation of habitat?
Conversion of agricultural land to housing projects
Illegal logging
Hunting
All of the above
Why is it important to keep a balanced ecosystem?
Lead to higher production of food supply
Ensure the continuous existence of species
Disappearance of wildlife animals
. Boost the ecotourism
Which of the following is NOTa result of ecological degradation?
pollution
acid precipitation
increase of wildlife
destruction of coastal resources
Which of the following human activities positively affects the biodiversity?
Hunting
Planting
Overharvesting
Illegal logging
