QUESTION 1 How many pairs of ribs are in the human body?
O 6 pairs
O 12 pairs
O 9 pairs
O 16 pairs
QUESTION 2
Which facial bone forms the chin?
O The Mandible bone
O The Mandible & Maxillae bone
The Maxillae bone
O The Mandible, Maxillae & Zygomatic bone

Read the following scenario to answer the following question. in some zoos, rare crosses between a male lion and a female tiger have produced hybrid offspring called "ligers." male ligers are sterile but some female ligers are fertile. in the wild, lion and tiger ranges do not naturally overlap, making such a cross unlikely. furthermore, the solitary behavior of tigers and the social organizations of lions create behavioral differences. applying the biological species concept, the sterility of ligers reveals that a. lions are probably a subspecies of tigers b. tigers and lions are the same species c. a new species called "ligers" is forming d. tigers and lions are separate species

When the cell concentrates potassium within, against the natural tendency of matter, it is performing a.passive diffusion b.facilitated diffusion c.active transport d.pinocytosis

Describe your dna model. which part do the straws represent? the pushpins? the paper clips and the black dots you made with the marker?