Vertebrate jaws evolved from _____

a. gill supports c. scales
b. ribs d. teeth


A

Biology & Microbiology

You might also like to view...

If a disease affects only a human and not an animal, then it would be difficult to fulfill Koch's postulate number

A. 1. B. 2. C. 3. D. 4.

Biology & Microbiology

The law of independent assortment would predict that the F2 progeny of F1 heterozygous plants will exhibit a __________

A) 3:1 phenotypic ratio B) 9:3:3:1 phenotypic ratio C) 1:2:1 genotypic ratio D) 9:3:3:1 phenotypic ratio and 1:2:1 genotypic ratio E) 3:1 phenotypic ratio and 1:2:1 genotypic ratio

Biology & Microbiology

In horses and rabbits, the digestion of cellulose takes place in the _______________

A. stomach B. anus C. tumen D. cecum E. large intestine

Biology & Microbiology

What is the function of a group of cells that contains a high number of chloroplasts?

a) respiration b) transpiration c) fermentation d) photosynthesis

Biology & Microbiology