What phenomena is thought to bring nutrients to Atolls?
a. Upwelling
b. Algal ridges
c. Run-off
d. Settling of sediments
a
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Two organisms that both benefit from each other are in a symbiotic relationship called
A) ammensalism. B) commensalism. C) mutualism. D) parasitism.
Which of the following human bones is
incorrectly paired?
a. fibula--tibia b. ulna--radius c. scapula--clavicle d. sternum--ribs e. femur--carpals
Which is not true of the fossils found on the
island of Flores? a. They are shorter than modern humans. b. They have very small brains. c. They are 200 000 years old. d. They have a heavy brow ridge. e. They are small.
During prophase I, each chiasma represents:a
the remnants of the nuclear membrane. b. the remnant of the nucleolus. c. a newly formed haploid gamete. d. a site of crossing-over. e. the site where sister chromatids are connected