Functions and Biodiversity

What is the natural density of a population?

• The amount of individuals in a given space

• 
  The spatial pattern in which population members are located

• 
  The proportion of individuals in each age group

• The amount of biomass at each trophic level

What factors limit the growth of a population?

• Birth

• Deaths

• Immigration

• Size

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-4

What is a biome?

• A collection of ecosystems that share similar climatic conditions

• A type of renewable natural resource

• An endangered species

• A type of soil pollution

Why is it important to preserve the variety of life on Earth?

• To increase pollution

• To maintain ecological balance

• To reduce genetic diversity

• To accelerate species extinction

Tags

NGSS.MS-LS2-5

What is biodiversity?

• The amount of pollution in an ecosystem

• The amount of biological diversity per area

• The amount of extinct species

• The amount of renewable natural resources

Tags

NGSS.MS-LS2-5

What is the result of millions of years of evolution?

• Climate change

• Species extinction

• Pollution

• Biodiversity

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-4

NGSS.MS-LS4-1

What is genetic diversity?

• The amount of species in an ecosystem

• The amount of natural resources in an area

• The amount of biomes in a continent

• The variability of genes that control the characteristics present in a population

Tags

NGSS.MS-LS3-2

NGSS.MS-LS4-4

How many different species are there?

• 1.2 million

• 2.2 million

• 6.7 million

• 8.7 million

Tags

NGSS.MS-LS4-1

What is species diversity?

• The amount of natural resources in a protected area

• The number of ecosystems on a continent

• The number of biomes in a country

• The number of different species and the relative abundance of each species in a community

Tags

NGSS.MS-LS2-5

Which biome is characterized by extremely cold temperatures and little vegetation?

• Tropical rainforest

• Tundra

• Grassland

• Deciduous forest