Compare and contrast Type I and Type III survivorship curves. Sketch a correctly labeled graph to support your
comparison. BONUS: Identify two organisms that represent each of the two types of survivorship strategies discussed
here. What will be an ideal response?
The sketch should resemble Fig. 53-8 on textbook p.1155. Both curves deal with the point in
the life cycle when most mortality occurs. In a Type I curve (exemplified by bisons and
humans), the probability of surviving is high early in life. In a Type III curve (exemplified by
herring gulls early in life and also oysters), the probability of surviving is high later in life.
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If you were cast up on a desert island with no
fresh water to drink, the level of which of the following would rise in your bloodstream in an effort to conserve water?
a. erythropoietin b. oxytocin c. insulin d. antidiuretic hormone e. glucose
The use of SNPs for analyzing genomes is based on ____
a. the nucleotide base pairing in the SNPs b. the types of nucleotides in the SNPs c. differences in SNPs among individuals d. the ratio of purines to pyrimidines in SNPs e. bonding patterns between nucleotides in the SNPs
Including the membrane of the surrounding vesicle, how many phospholipid (NOT lipopolysaccharide) bilayers should be found around each P. chromatophora's chromatophore, and which one of these bilayers should have photosystems embedded in it?
A) two; innermost B) two; outermost C) three; innermost D) three; outermost
Phloem transport is described as being from source to sink. Which of the following would most accurately complete this statement about phloem transport as applied to most plants in the late spring? Phloem transports ________ from the ________ source
to the ________ sink. A) amino acids; root; mycorrhizae B) sugars; leaf; apical meristem C) proteins; root; leaf D) sugars; woody stem; root