In algae, gametangia are generally unicellular
_________________ Indicate whether the statement is true or false.
True
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Early investigators associated the tendency to violent criminal behavior with the ____________________ karyotype, but there is no evidence of a direct link between the two
Fill in the blank(s) with correct word
Fishing by humans has severely affected populations of many different marine species, including whales. Examine the figure above, making sure to note what each axis represents. What can best explain the pattern for minke whales?
A. Minke whale populations were overfished in the early 1900s, then recovered in the 1970s as their competitors were killed off.
B. Minke whales are a new species that evolved during the 1960s as an ecological niche opened up.
C. Commercial whalers did not pursue minke whales until the more valuable whale species had declined.
D. Minke whales were too fast to catch until they become malnourished due to exploitation competition by other whales.
Animal cells divide by
a. budding. b. contracting. c. pinching. d. cell plate formation. e. more than one of these
Maxillae are used to bite and grind food
____________________ Indicate whether the statement is true or false.