Give several examples of in situ and ex situ conservation. What are advantages and disadvantages of each approach to
conservation? What will be an ideal response?
Concepts to Consider: In situ conservation efforts include national parks, forests, and
refuges--disadvantages revolve around their multiple uses, including allowing hunting,
livestock grazing, development for fossil fuels, and military uses, but advantages include
large size, and the possibility of conserving biodiversity in the wild; ex situ conservation
efforts include zoos, aquaria, botanical gardens, as well as artificial insemination, host
mothering, and captive breeding--drawbacks are related to their relatively limited focus on a
few species, but advantages allow countries with more financial resources to captive breed
endangered species for reintroduction.
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Answer the following statements true (T) or false (F)
1. Dehydration synthesis reactions always involve the removal of a molecule of water. 2. The biosynthesis of polysaccharides, polypeptides, and nucleic acids are examples of catabolic reactions. 3. Oxidation–reduction reactions are paired reactions that involve the transfer of electrons. 4. Breaking a disaccharide down into its two monosaccharide components is an example of a hydrolysis reaction. 5. Anabolic reactions are a cell's major source of energy.
The limit of detection in the microbiology laboratory is termed:
a. specificity. b. sensitivity. c. precision. d. variation.
A complication of molecular clock studies is that
A) DNA and proteins appeared in life at about the same time. B) genes mutate at different rates. C) DNA is not often preserved in fossils. D) some species are more highly evolved than others.
What is the correct format for the scientific name of corn?
a. zea Mays b. Zea Mays c. Zea mays
d. Zeamays e. zea mays