Biodiversity & Changes in Ecosystems

Which of the following would have a negative impact on an ecosystem

• constructing highways
• planting trees
• recycling paper

Tags

NGSS.MS-ESS3-3

NGSS.MS-LS2-4

Define biodiversity

• variety of life in Earth's land, freshwater, and marine ecosystems

• variety of ecosystems in a given area

• the number of different species in a given area and the number of individuals of each species that are present

• the variation of genes within a species or population 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

Tags

NGSS.MS-LS3-2

NGSS.MS-LS4-4

Define ecosystem diversity

• variety of ecosystems in a given area

• variation of genes within a species or population in a given area

• variety of life in Earth's land, freshwater, and marine ecosystems

• changes to an ecosystem that affect how the parts of it interact

Tags

NGSS.MS-LS2-5

Define species diversity

• both the number of different species and individuals of each species in a given area

• variation of genes within a species or population in a given area

• variety of ecosystems that are in a given area

• changes in an ecosystem that affect of the organisms interact with one another

Tags

NGSS.MS-LS2-5

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

Tags

NGSS.MS-LS2-5

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

Tags

NGSS.MS-LS2-5

What can biodiversity influence within an ecosystem?

• how well the ecosystem recovers from a disturbance

• how well the ecosystem grows after rain

• how poorly the ecosystem responds to a drought

Tags

NGSS.MS-LS2-5

What will and abundance of resources often result in for an ecosystem?

• growth of individuals and populations

• grown of biosphere

• decline of individuals and populations

• decline of biosphere

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

What do scientist call organisms that are not native to an ecosystem and cause harm to native organisms?

• native plants
• invaders
• invasive species
• natural species

Tags

NGSS.MS-LS2-5