Ronald Fisher developed a critical idea for the modern synthesis of Darwin and Mendel. What is the basis of this synthesis?
A. Mendel was correct in that most traits are
discrete.
B. Multiple genes can explain the continuous
nature of most observed traits.
C. Darwin was incorrect in how natural
selection influences discrete traits like Mendel
observed.
D. Mendel and Darwin both missed the
importance of population growth as described
by Malthus.
B
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Extracellular fluid includes
a. interstitial fluid only. b. blood only. c. lymph only. d. blood and lymph only. e. interstitial fluid, blood, and lymph.
Classification.Answer the following questions in reference to the five plant tissues listed below.
A. tissue involved with storage of proteins, water, oils, and starch B. tissue containing cells with pectin on their primary walls C. part of ground tissue, sometimes containing lignin that strengthens the adult plant D. vascular tissue that conducts water and mineral ions throughout a plant E. vascular tissue that conducts and distributes food to plant cells
If the parameter for the squared term is negative, natural selection will likely stabilize the phenotype at an intermediate value.
a. true b. false
An organism that can exist in both oxygen and oxygen-free environments is a(n)
A. facultative anaerobe. B. microaerophile. C. obligate anaerobe. D. obligate aerobe. E. aerobe.