Biodiversity Review

Which habitat exhibits the greatest biodiversity?

• A habitat with 15 different species with about 300 individuals each

• A habitat with 10 different species with about 75 individuals each

• A habitat with 4 different species with about 150 individuals each

• A habitat with only one species with about 2000 individual

Tags

NGSS.MS-LS2-5

A plant nursery only grew one type of tomato. All of their tomatoes died from the same disease. What was most likely true of the tomato plant population?

• It had too little biodiversity

• It had a lot of resistance to disease

• It had a few plants that were resistant to disease

• It had too much genetic variation

Tags

NGSS.MS-LS1-5

NGSS.MS-LS4-4

In what way are humans most impacting the biodiversity of ecosystems around the world?

• We are putting too many organisms in zoos or keeping them as pets

• We are increasing biodiversity by breeding new species

• We are destroying the habitats of a large number of species

• We are not effecting the biodiveristy

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

NGSS.MS-LS2-5

Why do the populations of invasive species grow so quickly?

• Invasive species are native to an area

• Invasive species are prey to many animals

• Invasive species have no predators

• Invasive species keep the ecosystem in equilibrium

Tags

NGSS.MS-LS2-4

Invasive species alter the ecosystem by ______ in number quickly. This leads to ______ food for the native species.

• increasing, less

• increasing, more

• decreasing, less

• decreasing, more

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

An endangered species is

• One whose numbers are so small that it is at risk of extinction
  
• One whose not been spotted after many years.
• One whose numbers are abundant.

Tags

NGSS.HS-LS4-5

A species is defined as endangered when it

• suffers from damage to its habitat.
• suffers from disease or predation.
• when there are hazards to the continued life of the species.
• all of the above

Tags

NGSS.MS-ESS3-4

What is the relationship between a keystone species and its ecosystem

• A keystone species is always the top predator in an ecosystem.

• A keystone species is essential to maintain balance and biodiversity in its ecosystem.

• A keystone species provides energy to all other organisms in the ecosystem.

Tags

NGSS.HS-LS4-5

A species that plays a critical role in the health, maintenance, growth, or definition of an ecosystem.

• keystone

• invasive

• engineer

• predator

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-5

A common type of succession that occurs where an event such as a forest fire has occurred, or a farmer's field has been abandoned is called

• common succession

• primary succession

• secondary succession

• Quaternary succession