Animal Physiology Quiz
The endocrine system plays a significant role in regulation in human systems. Among other responsibilities, the endocrine system signals appropriate and timely events in reproduction, growth, and development. Which of the following is a chemical that is responsible for controlling these events? A. Carbon Dioxide B. Bile C. Hormones D. Polar Bodies
Hormones
After about an hour of basking in the sun, the body temperature of the marine iguana reaches 37 degrees Celsius, and the animal dives into the water to feed. In the water, its body temperature rapidly drops, and the iguana must return to the rocks to warm up. This process is an example of
Negative Feedback
Which of the following components includes all of the others listed below? A. Organ System B. Organ C. Cell D. Tissue
Organ System
Which of the following is a type of organ system? A. Connective B. Skeletal C. Epithelial D. Bone
Skeletal
Some species of fish that live in the cold waters of the Artic Ocean have evolved an "antifreeze" protein. Why might this protein be important to homeostasis?
The protein might prevent ice crystals from forming inside fish cells, which would prevent damage to the plasma membrane when temperatures are low
Homeostasis
all living things must maintain homeostasis in order to survive
Positive Feedback Loop
amplifies a move away from a set point
Among members of Kingdom Animalia, external fertilization is commonly observed in
aquatic animals
Negative Feedback
slows down or shuts off o process when a set point is reached