bio all practice quizzes

bio all practice quizzes - Quiz #1: Ecology of populations...

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Quiz #1: Ecology of populations (1) Is the following statement true or false: Humans are iteroparous . A.True B. False (2) Which of the following is not likely to influence the carrying capacity of a habitat? A.The amount of food available B. The number of competitors C. The intensity of predation on the population D.All are likely to influence carrying capacity 4) Of the curves above, 'D" best represents the survivorship of a Type III species. A. True B. False (5) The term ‘r’ is a measure of a population’s A.Growth rate B. Mortality rate C. Survivorship rate D.None of the above (6) A cohort is a group of organisms all of the same population and of the same age. A.True B. False (7) Age-structure diagrams with a columnar shape are the result of A. High reproductive rates B. Low reproductive rates C. Low juvenile survival D. None of the above (8) When a population's growth reaches its carrying capacity, it is said to be in its A.lag phase B. acceleration phase C. deceleration phase D.equilibrium phase (9)The population curve referred to in Question 8 is most likely a(n) A.'S' curve B. 'J' curve C. linear growth curve D.None of the above (10) Which of the following pertains to an r-selected species? A.Late to mature B. large-sized young C.Semelparous D.extensive parental care (11) Camouflage is a strategy used in A.Competition between species B. succession C.defense D.None of the above (12) Which of the following is a characteristic of a columnar age structure diagram? A.High reproductive rate B. Low reproductive rate
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D.Both B and C (13) Mimicry is an example of A.camouflage B. aposematic coloration C. mutualism D.deception (14) Which of the following equations represents exponential growth? dN/dt= A.rN(K-N/K) B. C C. rN(K-N/N) D.rN Biology 1 Quizzes Quiz #2: Community ecology and energetics 1. A stage in ecological succession is called a A. Step B. Trophic level C. Sere D. Link 2. Succession on disturbed habitat is referred to as A. Primary B. Secondary C. Tertiary D. Quarternary 3. Approximately ____% of the light striking the earth is captured by photosynthetic organisms. A. 1% B. 5% C. 10% D. 90% 4. Unlike energy, nutrients are recycled in the biosphere A. True B. False 5. The reason why the trophic pyramid is limited to 4 or 5 steps is due to the 2nd Law of Thermodynamics. A. True B. False 6. The third step (from the bottom) of the trophic pyramid is occupied by the A. Primary consumers B. Producers C. The top predator D. Secondary consumers 7. An organism that eats dead organic material is called a(n) A. primary consumer B. herbivore C. secondary consumer D. detritovore 8. Which is not true about nutrient cycles? A. The are all solar powered
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This note was uploaded on 06/01/2008 for the course BIO 1 taught by Professor Kaufman during the Spring '08 term at Irvine Valley College.

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bio all practice quizzes - Quiz #1: Ecology of populations...

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