Ecology Review

A symbiotic relationship in which both species benefit from living together is

• mutualism

• commensalism

• parasitism

• competition

Tags

NGSS.MS-LS2-2

A symbiotic relationship between two organisms of different species where one benefits and the other is harmed

• mutualism

• commensalism

• parasitism

• competition

A symbiotic relationship between two organisms in which one organism benefits and the other is not helped or harmed?

• mutualism

• commensalism

• parasitism

• competition

Tags

NGSS.MS-LS2-2

Aspirin (from the willow tree), penicillin (a fungus), and digitalins (from foxglove) are all products of biodiversity that benefit…

• agriculture

• ecosystem services

• medicine

• industry

Tags

NGSS.MS-LS2-5

Hunting grounds of mountain lions in California are broken apart by human development. They are left on habitat islands due to…

• habitat development

• habitat fragmentation

• illegal hunting

• introduced invasive species

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-5

Which of the following are threats to biodiversity?

• invasive species

• climate change

• the exotic pet market

• all the above

Tags

NGSS.MS-ESS3-4

NGSS.MS-LS2-5

Protecting ecological hot spots and national parks, endangered species breeding programs, carbon credit programs to reduce fossil fuel use all aim to…

• conserve biodiversity

• eliminate biodiversity

• encourage monocultures

• create new species

Tags

NGSS.MS-LS2-5

Use the graph to answer the following questions. During which years does the wolf population (dashed line) grow exponentially?

• 1973 - 74

• 1974 - 75

• 1975 - 78

• 1980 - 82

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Based on the information on the graph, what is the most likely cause of the decline in the deer population from 1973 - 78?

• Many deer died from starvation due to overpopulation.

• The deer population grew during these years.

• The growing wolf population ate many deer.

• A parasitic infection spread through the island.

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-4

What is the approximate carrying capacity of the deer population after the introduction of the wolves?

• 8

• 20

• 1,980

• 2,500

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4