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Island___Area____Species___Extinction (FIGURE 2-4)
A_____850,000____175______25
B_____300,000____140______35
C______90,000_____80______50
2). According to the data in Figure 2-4, the _____ has the greatest impact on species loss
A. Original number of species
B. Distance from the Mainland
C. Area of the island
D. Climate
3). Predict what the approximate species loss would be on an island that is 500,00 km2 in size using the figure 2-4
A. Less then 25
B. Between 25 and 35
C. Between 35 and 50
D. More then 50
4). Condsider the following paris of organisms: large predators and small predators: large herbivores and small herbivores: and migratory animals and non-migratory animals. The two animals most likely to suffer the most from habitat fragmentation are the:
A. Larege predators and migratory animals.
B. Large herbivores and large predators.
C. Non-migratory animals and small herbivores
D. Migratory animals and large herbivores.
5). Island A has and area of 30 square kilometers. Island B has an area of 400 square kilometers. The islands are near each other. which of the following statements is most likely to be true?
A. Island A has greater biodiversity and higher percentage of edge effect then Island B
B. Island A has less biodiversity and a higher percentage of edge effect then Island B
C. Island A has greater biodiversity and a lower percentage of edge effect then Island B
D. Island A has less biodiversity and a lower percentae of edge efften the island B
6). For many years orchid collectors searched Exotic IIands for beautiful Kimmarie Orchid, which is found no place else in the world. After they found the orchid, they brought it back to their homes. In the past couple of years the Kimmarie Orchid has not been found on the island. As a result, hobbyists are now sending The Kimmarie Orchid to be replanted on the island.. The Kimmarie Orchid became extinct in the wild beacuse of:
A. Overcollection
B. Habitat loss
C. Exotics
D. Habitat degradtion
7). Population control factors whose effects increase as the size of the population increases are:
A. Abiotic factors.
B. Density-dependent factors
C. Limiting factors
D. Density-independent factors
8) The statement “proportions of a population expressed in terms of the reproductive years of the individual orgnisms,” refers to the population’s
A. Fertility rate
B. Reproductive strategy
C. Age structure
D. Carrying capacity
9). Starfish live in saltwater ecosystems. Some species live in shallow tidal pools, while others live in the deepest part of the ocean. This is a decription of the ___ of the starfish
A. Community
B. Habitat
C. Niche
D. Trophic level
10). Ling feeds her guppies one-half teaspoon of fish food every day. The average guppy population in her aquarium over a four-month period is 38 guppies. She increased the food to one teaspoon per day. After a four- month period, the average population is 53 guppies…… Which of the following statements is supported by these facts?
A. The size of the aquarium was a limiting factor
B. One-half teaspoon of food was a limiting factor
C. As long as Ling keeps adding more food, the guppy population will continue to grow
D. Guppies reproduce rapidly