Ultraviolet radiation is an effective means of sterilizing surfaces.
Answer the following statement true (T) or false (F)
True
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When you prune the tips off of branches, the
plant tends to become more shrubby, this is due to
a. apical dominance release. b. removal of auxin. c. increased levels of cytokinin. d. the development of lateral shoots. e. a combination of all of these factors.
Like ____, phosphorus can only be taken up by
plants in ____. a. carbon; ionized form b. nitrogen; compounds c. nitrogen; ionized form d. hydrogen; ionized form e. carbon; compounds
Most of the ocean’s productivity occurs
a. in the open ocean b. in the intertidal zone. c. in the neritic zone. d. near hydrothermal vents. e. in the benthic province.
In the past, many hominins coexisted, such as Paranthropus robustus and Paranthropus boisei
Imagine that these species were not prezygotically isolated and occasionally formed hybrids. Why might sterility or inviability of hybrids be limited to one sex? In which sex would this occur and what pattern does this represent? What will be an ideal response?