Thanks!? Key development seen for the first time in arthropods are
a. segments
b. blood & circulatory system
c. jointed appendages
d. 2 of the above
key developments seen for the 1st time in cnidarians are
a. bilateral symmetry
b. harpoons called nematocysts
c. multiple hearts
d. 2 of the above
e. all of the above
All of the following were key characteristics that allowed amphibians to successfully invade land except
a. legs
b. partially divided heart
c. eutaneous respiration (through the skin)
d. eyes
the probable ancestors of the earliest amphibians were
a. reptiles
b. lobe finned fish
c. hagfish
d. lampreys
a. segments
b. blood & circulatory system
c. jointed appendages
d. 2 of the above
key developments seen for the 1st time in cnidarians are
a. bilateral symmetry
b. harpoons called nematocysts
c. multiple hearts
d. 2 of the above
e. all of the above
All of the following were key characteristics that allowed amphibians to successfully invade land except
a. legs
b. partially divided heart
c. eutaneous respiration (through the skin)
d. eyes
the probable ancestors of the earliest amphibians were
a. reptiles
b. lobe finned fish
c. hagfish
d. lampreys