Animals are thought to have descended from choanoflagellate protists. Which poriferan cell type lends evidence to this claim?
A. Amoebocyte
B. Gamete
C. Choanocyte
D. Spicule
Answer: C
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A large population made up of smaller populations linked by migration is a ____
Fill in the blank with the appropriate word.
The earliest recorded direct studies of marine biology are attributed to:
a. the Greeks. b. the Catholic Church. c. Arabian philosophers. d. Micronesian mariners. e. the Chinese.
If the wound is open, the surface should be cleaned prior to collecting a wound culture. ?
Indicate whether the statement is true or false
What does the concept of neuronal plasticity imply?
A) that the nervous system is composed of a fixed and static group of structures B) that the nervous system can be reorganized or remodeled C) that the nervous system loses functionality as animals age D) that the nervous system of humans is more advanced than those of other animals