What features are common to the eyes of Arthropods?
A. have compound eyes composed of independent units called ommatidia.
B. make use of a wider range of the electromagnetic spectrum than humans.
C. have eyespots that sense the direction and intensity of light.
D. have camera-type eyes.
E. All of the answers are correct.
Answer: A
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Which of the following is a hominin?
a. chimpanzee b. Australopithecus c. baboon d. bonobo e. gorilla
Neurospora is an ideal organism to study the effects of genetic mutations because of several reasons. What is one of
these? a. Neurospora is a small mammal. b. Neurospora grows as a diploid organism. c. Neurospora requires a medium supplemented with only a few nutrients that it cannot manufacture on its own. d. Neurospora mutant strains that cannot make a particular amino acid can still grow if that amino acid is added to the growth medium. e. Neurospora contains homologous chromosomes that are easily viewed with a light microscope
One possible result of chromosomal breakage is for a fragment to join a nonhomologous chromosome. What is this alteration called?
A) deletion B) inversion C) translocation D) duplication
The Irish potato famine in the 1840s was caused in large part by a proliferation of a(n)
A. chlorophyte. B. paramecia. C. oomycote. D. dinoflagellate. E. fungus.