One advantage that enabled the seed plants to greatly surpass the ferns in colonizing the land was the evolution of:
A) a fibrous root system.
B) a woody stem.
C) sex without swimming sperm.
D) spores.
E) photosynthesis.
Correct Answer:
Verified
Q26: If the early Earth's atmosphere contained little
Q27: Probably the greatest advantage for the original
Q28: The earliest photosynthetic organisms:
A)probably did not produce
Q29: The earliest multicellular animals in the fossil
Q30: The organisms originally responsible for putting oxygen
Q32: The first multicellular terrestrial organisms were:
A)plants.
B)insects.
C)fungi.
D)amphibians.
E)reptiles.
Q33: About 530 million years ago, what adaptation
Q34: Multicellularity enables organisms to:
A)be photosynthetic.
B)undergo aerobic respiration.
C)be
Q35: The proposal that certain eukaryotic cell structures
Q36: To survive successfully on land, plants needed
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