Which group of fishes evolved first?

A) Ray-finned fishes
B) Lobe-finned fishes
C) Cartilaginous fishes
D) Jawless fishes


D

Biology & Microbiology

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The dark middle layer of the eye that prevents the

scattering of light is the a. fovea. b. retina. c. sclera. d. choroid. e. cornea.

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In sponges, spicules are secreted by amoeboid cells

____________________ Indicate whether the statement is true or false.

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Explain how you would distinguish a monocot from a eudicot by looking at the anatomy of their roots. What will be an ideal response?

Biology & Microbiology

Blood vessels called ___ carry blood back to the heart.

What will be an ideal response?

Biology & Microbiology