Dinosaurs were the dominant group during the Mesozoic Era and many scientists believe that they were
A. endothermic, or warm-blooded.
B. exergonic, or energy releasing.
C. ectothermic, or cold-blooded.
D. both endothermic and ectothermic. Some scientists believe that certain dinosaurs were endothermic while others believe that certain dinosaurs were ectothermic.
Answer: D
You might also like to view...
Adhesion proteins are ____
a. embedded in the nuclear envelope b. involved in binding to signaling molecules c. involved in nutrient transport d. found only in bacterial plasma membranes e. needed to fasten cells together
What fraction of the offspring of the cross AaBb × AaBb would show the dominant phenotypes for both genes, assuming that they are on different chromosomes?
a. 12?16 b. 3?16 c. 9?16 d. 6?16
Aseptic technique in obtaining clinical specimens is essential to ensure bacterial presence is due only to
a. normal flora. b. infection. c. contamination. d. none of the above.
Fermentation involves the use of pyruvate and/or other organic molecules as electron acceptors.
Answer the following statement true (T) or false (F)