Which example represents a structural adaptation that an endotherm might make to maintain body temperature?
a. spraying oneself with water
b. seeking shade under a plant
c. increasing activity level
d. having feathers
e. shivering
d
You might also like to view...
Countercurrent flow in the respiratory systems
of fish is a mechanism that accounts for a. oxygen uptake by blood capillaries in the gills. b. ventilation across fish gills. c. the transport of blood from the gills to the fish's heart. d. the transport of blood from the heart to the fish's main body mass. e. the flow of blood in gills as opposed to the flow of blood in the main body mass of fish.
Mot-mots are snake-eating birds of the American tropics. If a mot-mot killed and consumed a rattlesnake and that snake fed upon grain-eating rodents, then how many kilograms of grain would normally be required to end up with 1 kg of mot-mot?
A) 10 B) 100 C) 1000 D) 10,000
When an individual of African descent marries and has children with an individual of European descent, their children often have a mid-shade of skin color, but they could also have a light shade or a dark shade. This can best be described as
A. X-linked inheritance. B. the dominance of the gene for dark skin tone. C. pleiotropic inheritance. D. polygenic inheritance.
The phylum that shows the greatest diversity, or the greatest number of species, is
A. Echinodermata. B. Chordata. C. Arthropoda. D. Mollusca.