Answer the following statements true (T) or false (F)
1.Teeth are mineralized structures for holding and breaking up food.
2.When cleaning up from lab, you are asked to place two intestinal tracts in the appropriate bins. You would put the shorter one in a bin marked "herbivore" and the longer one in a bin marked "carnivore."
3.An autotroph obtains the energy it needs to maintain homeostasis from the sun.
4.A heterotroph obtains the energy it needs to maintain homeostasis from the sun.
5.Endotherms need more energy than ectotherms since they must do more metabolic work to maintain body temperature.
1.TRUE
2.FALSE
3.TRUE
4.FALSE
5.TRUE
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Sea anemones and other cnidarians have
a. radial symmetry. b. a “nerve net.” c. tentacles. d. no centralized brain e. all of these.
Regarding the mitotic cell cycle, what is meant by a checkpoint?
What will be an ideal response?
The waggle dance is:
a. used for food location in honeybees. b. used for mate choice in black widow spiders. c. used for kin selection in Belding's ground squirrels. d. used for reciprocal altruism in vampire bats. e. used for mate choice in grebes.
All of the following statements regarding congenital anomalies are true, EXCEPT
A. Congenital anomalies are within the top 10 causes of death for humans under age 24, and within the top three for humans under 14yo. B. Congenital anomalies may be genetic, environmental, or a combination of the two. C. Most congenital anomalies are purely genetic in origin. D. This term includes malformations, deformations, disruptions, syndromes, sequences, and associations. E. This term is synonymous with "birth defects" and "congenital malformations."