Ch 7 Biodiversity Conservation Quiz

How many Siberian tigers were estimated to be in the wild population in the early 20th century?

• 20–30

• 450–500

• 100–150

• 5–10

What is the current estimated population of the Siberian tiger due to conservation efforts?

• 20–30

• 450–500

• 100–150

• 5–10

What percentage of known insect species are beetles?

• 1%

• 4%

• 10%

• 25%

What does biodiversity describe?

• The variety of life across all levels of ecological organization

• The study of extinct species

• The climate changes affecting life on Earth

• The water cycle of the planet

Which of the following is NOT one of the three types of biodiversity mentioned in the lesson?

• Genetic diversity

• Species diversity

• Ecosystem diversity

• Climate diversity

What does genetic diversity refer to?

• Variety of habitats in a given area

• Variety of species in a given area

• Differences in DNA among individuals

• Differences in ecosystem types

Species diversity is the variety of _______ in a given area.

• ecosystems

• climates

• species

• genes

Ecosystem diversity refers to the variety of _______.

• genes

• species

• habitats, ecosystems, communities

• climates

On what basis do taxonomists classify species?

• Behavior and habitat

• Physical appearance and genetic makeup

• Size and weight

• Color and lifespan

Which of the following is NOT a level in the hierarchy of taxonomic groups?

• Genus

• Species

• Domain

• Subspecies