In vertebrates, external fertilization (select all correct choices):
A. is common among mammals.
B. cannot occur in marine (salt water)
conditions.
C. is found in some fish and amphibians.
D. involves releasing gametes directly into a
wet environment.
E. is a form of asexual reproduction.
C,D
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Answer the following statements true (T) or false (F)
1. Sexual selection is a type of natural selection resulting from variation in the ability to find mates. 2. Today, 40% of hospital Staphylococcus infections are resistant to all antibiotics except one. 3. Evolution does answer the question as to how life originally began. 4. Artificial selection is responsible for many breeds of dogs and cats. 5. Darwin believed that because of "differential reproductive success" a population would change over time
Movement of soluble organic material through plants is known as ____
a. translocation b. transduction c. transformation d. transpiration e. transportation
Which of the following statements about the Galápagos finches is false?
A) The Galápagos finch species differ in their feeding habitats. B) Each island in the Galápagos chain has one and only one isolated, unique species of Darwin's finch. C) Most speciation events of the Galápagos finches occurred when some finches made it to another island, evolved in isolation, and accumulated enough changes to become a new species. D) The evolution of the Galápagos finches is an excellent example of adaptive radiation.
Archaeal cell walls are composed of unbranched phospholipids.
Answer the following statement true (T) or false (F)