Organisms that obtain heat primarily from the external environment are called

a. endotherms.
b. isotherms.
c. exotherms.
d. ectotherms.
e. allotherms.


D

Biology & Microbiology

You might also like to view...

In the translation process, what occurs when a stop codon is encountered?

a. A new protein is released. b. The ribosome accepts charged tRNAs. c. A large ribosomal unit joins a small unit. d. Energy is obtained from GTP.

Biology & Microbiology

The outward expression of an organism's genotype is referred to as its genotype.

Answer the following statement true (T) or false (F)

Biology & Microbiology

On which day of a 28-day ovarian cycle does ovulation typically occur?

a. on Day 1 b. on Day 7 c. on Day 14 d. on Day 28

Biology & Microbiology

Which of the following determines the molecular properties and the types of chemical reactions in which a molecule participates?

A) Functional group B) Hydrogen ion concentration C) Hydrogen atoms D) Carbon skeleton

Biology & Microbiology