Bio 100 Exam 3 Updated Exam Script With Complete Answers

BIO 100 EXAM 3 UPDATED EXAM SCRIPT WITH
COMPLETE ANSWERS

◉ Lizards don't maintain their body temperature with internal heat.
Rather, they bask in the sun to get warm. This is an example of
_______.
Answer: ectothermy


◉ When faced with a sudden drop in environmental temperature, an
endothermic animal will ________.
Answer: constrict blood vessels and work to maintain heat within
the core of the body


◉ Which of the following is most likely to be responsible for
lowering your blood sugar after it rises above normal?
Answer: A homeostatic mechanism based on negative feedback.


◉ Which of the following is not a type of tissue?
Answer: a. Muscle


b. Nervous

,c. Embryonic *


d. Epithelial


◉ What type of tissue is adipose tissue?
Answer: a. Muscle


b. Connective *


c. Epithelial


d. Nervous


◉ What tissue type is characterized as being excitable and capable
of sending and receiving electrochemical signals that provide the
body with information?
Answer: a. Muscle


b. Epithelial


c. Connective

, d. Nervous *


◉ Striations, cylindrical cells, and multiple nuclei are observed in
________.
Answer: skeletal muscle only


◉ The nerve impulse travels down a(n) ________, away from the cell
body.
Answer: axon


◉ Which of these processes occurs in the mouth?
Answer: a. Ingestion


b. Mechanical digestion


c. Chemical digestion


d. All of the above *


◉ Which of these organs is not considered an accessory digestive
structure?
Answer: Mouth