A water-vascular system is unique to the:

a. arthropods
b. annelids
c. chordates
d. mollusks
e. echinoderms


e

Biology & Microbiology

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Consider the cladogram shown. Which pair of species shares the greatest number of derived characters (synapomorphies)?  



A.  4 and 2
B.  5 and 4
C.  6 and 1
D.  6 and 2
E.  5 and 2

Biology & Microbiology

The directional movements of the ocean currents are mainly due to the ________

a. force of the wind b. amount of rainfall the region receives c. distance to the sun d. depth of the water e. temperature of the water

Biology & Microbiology

Lizards and snakes are living members of this lineage

a. Testudines b. Archosauromorpha c. Squamata d. Sphenodontia e. Amphibia

Biology & Microbiology

Extracellular matrix is typically composed of ____

a. polysaccharides and fibrous proteins b. fibrous proteins and microtubules

c. polysaccharides and microfilaments d. fibrous proteins and phospholipids e. polysaccharides and phospholipids

Biology & Microbiology