Which structure do turtles lack?

a. carapace
b. jaws
c. teeth
d. plastron
e. keratinized beak


ANSWER: c

Biology & Microbiology

You might also like to view...

The current cost of sequencing a human genome is

A. about $10 B. about $1,000 C. about $1,000,000 D. over $400,000,000

Biology & Microbiology

For given species, the maximum rate of increase per individual under ideal conditions is its _____

a. biotic potential c. environmental resistance b. carrying capacity d. density control

Biology & Microbiology

An example of ligand-gated ion channels is _____

A) the spreading of action potentials in the heart B) acetylcholine receptors at the neuromuscular junction C) cAMP-dependent protein kinases D) action potentials on the axon

Biology & Microbiology

Lichens are composed of a symbiosis of fungi and which of the following?

A) green algae B) cyanobacteria C) euglenoids D) cyanobacteria or green algae E) euglenoids or dinoflagellates

Biology & Microbiology