One of the most critical adaptations of the reptiles in relation to their life on land is the evolution of the
A. amniotic egg.
B. allantois egg.
C. chorionic egg.
D. diploid egg.
E. swim bladder.
A. amniotic egg.
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All of the following are true about the plasma membrane EXCEPT:
a. It forms the outer boundary of the cell. b. It contains genetic material. c. It is selectively permeable. d. It is composed of phospholipids.
Angiosperms that originated as hybrids resulting from a cross between two closely related species are known as ____
a. paleopolyploids b. autopolyploids c. allopolyploids d. hexapolyploids e. tetrapolyploids
What is the final stage in ecological succession?
a. Repopulation of an area b. Early colonization c. A natural disturbance d. Climax community
________ possess accessory photosynthetic pigment phycoerythrin, which gives them their characteristic red color.
A. Brown algae B. Green algae C. Red algae D. Diatoms