BIO-101 FINAL EXAM UH MANOA QUESTIONS WITH 100% VERIFIED SOLUTIONS!!
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Course
BIO-101 UH MANOA
Institution
BIO-101 UH MANOA
What is likely to become the next greatest environmental problem of this century? - Impending
water crisis
Why is conservation biology described as a "crisis discipline"? - Analogous to study of AIDS in
epidemiology.
What is the most common way alien plants are introduced to Hawaii today? - mas...
What is likely to become the next greatest environmental problem of this century? - Impending
water crisis
Why is conservation biology described as a "crisis discipline"? - Analogous to study of AIDS in
epidemiology.
What is the most common way alien plants are introduced to Hawaii today? - mass transportation
by ships & airplanes (accidental & deliberate)
What is an invasive species? - Alien (non-native) species that adversely affects the habitat they
invade environmentally, economically, or ecologically, a species that did not get there naturally or evolve
there.
______ species evolved here or got here naturally and ______ species are introduced from other
regions. - Native, alien (invasive)
How are oceans impacted by invasive species? - Global movement of organisms by shipping &
fishery products, Movement associated large storms, Changes diversity & distribution of marine
organisms
What are traits that make some species invasive? - Reproduces sexually & asexually, Rapid growth
& reprod, High dispersal ability, Tolerance to range of environments, Ability to eat range of food types,
Associated with humans
Biodiversity is defined as: - number and variety of organisms found in an area
75% of Hawaii native flowering plant species arrived by: - Birds 75%, wind 2%, water 23%
, Globally the greatest cause of species extinction is due to: - Habitat Destruction
There are about _____ native flowering plant species in Hawaii & about 1,000 introduced ones that are
now ______. - 1,100, naturalized???????????????????????
Native habitats in Hawaii have been lost due to: - croplands, grazing, Alien animals, urbanization
Rats were introduced into Hawaii by: - Polynesians
Native species that are only found in Hawaii are ______ while those found here & elsewhere are ______.
- endemic, indigenous
One of the most abundant birds in the US, the _______ became extinct in 1914 as a result of _______. -
passenger pigeon, being fed to slaves & servants. (over hunted)
A species that is likely to become endangered in the near future is termed: - threatened.
According to the 2009 IUCN Red List __% of the world's species are threatened for extinction. - 36
Why are invasive species successful in new environments? - Isolation leaves "open niches", lack of
predators. Opportunities for invasion: are ocean, wind, bird migration, human introduction. Examples of
invasive species: brown tree snakes, erthrina gall wasp, coqui frog,
What is a naturalized plant? - They reproduce in the wild and become established in the
ecosystem
Why is Hawaii especially at risk from invasive species? - 10 million tourists annually; international
port (80% for consumed goods).
few competitors and predators
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