To survive successfully on land, plants needed to develop
A) methods to prevent water loss.
B) internal skeletons.
C) photosynthesis.
D) swimming sperm.
E) the ability to use oxygen.
Correct Answer:
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Q31: The endosymbiotic hypothesis accounts for the origin
Q32: The earliest photosynthetic organisms
A) probably used water
Q33: An anaerobic prokaryote engulfs a prokaryote capable
Q34: If early Earthʹs atmosphere contained little or
Q35: The earliest fossil organisms resemble modern
A) prokaryotes.
B)
Q37: Modern invertebrates first appear in the fossil
Q38: To be classified as a eukaryote, an
Q39: The first multicellular eukaryotic fossils were
A) cyanobacteria.
B)
Q40: Exoskeletons provided an evolutionary advantage to organisms
Q41: The modern-day group of vertebrates that bridges
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