Which is an organic molecule?
a. carbon dioxide (CO2)
b. water (H2O)
c. methane (CH4)
d. hydrochloric acid (HCl)
e. oxygen (O2)
ANSWER: c
You might also like to view...
Paedomorphosis is
A. the formation of limbs from fins in the evolution of land vertebrates. B. the change from radial to bilateral symmetry in the evolution of plants and animals. C. the retention of juvenile traits in an adult organism. D. an earlier development of adult traits in an organism. E. the development of different types of eyes from a simpler form.
An herbivore
a. eats plant material. b. eats producers. c. is exemplified by a deer. d. is all of the above.
Which of these is the portion of the heartbeat that involves contraction of the heart?
A) pacemaker B) systole C) diastole D) cardiac cycle
Which statement about living organisms is NOT correct?
(a). Living organisms create energy. (b). Living organisms maintain homeostasis. (c). Living organisms reproduce. (d). Living organisms have adaptations. (e). Living organisms grow and develop.