Amphibians assumed to have evolved from
A) reptiles.
B) mollusks.
C) lobefin fish.
D) arthropods.
E) segmented worm.
C
You might also like to view...
Which of the following is not true of water?
A. It is polar. B. It has a high heat of vaporization. C. It has cohesive properties. D. Its evaporation helps regulate body temperature. E. It is a relatively poor solvent.
Late mRNA products in T4 phage include
A. phage structural proteins. B. proteins involved in cell lysis and phage release. C. proteins that help with phage assembly without becoming part of the virion. D. All of the above are correct.
Four of the five choices listed below are parts of a
seed. Select the exception. a. ovary b. cotyledon c. embryo d. coat e. endosperm
Many male songbirds have very distinctive songs that are used to attract females. These songs are an example of a ________ isolating mechanism.
A. postzygotic, mechanical B. postzygotic, ecological C. prezygotic, gamete fusion D. prezygotic, behavioral E. prezygotic, temporal