Compare and contrast allopatric and sympatric speciation What will be an ideal response?
Allopatric speciation occurs when there is a geographic separation between organisms.
Sympatric speciation occurs when organisms live in the same geographical area.
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The single gene mutation associated with DMD leads to various symptoms that include bone
growth, muscles, and behaviors. This is an example of __________.
a. a polygenic trait b. pleiotropy c. gene manipulation d. codominance
Amoebic dysentery is most commonly contracted through
A. contaminated blood products. B. direct transmission from one host to another. C. insect bites. D. puncture wounds. E. the fecal-oral route from contaminated food or water.
The primary cause of human population growth following the Industrial Revolution was
a. an increase in death rates. b. a decrease in death rates. c. an increase in birthrates. d. a decrease in birthrates e. more children being born to women over 35 years of age.
Which of the following statements is true?
a. Mosses have xylem b. Mosses have lignin. c. Mosses have true stems. d. Mosses have rhizoids. e. Mosses have independent sporophytes