In all seed plants, male and female ___________ develop within the parent sporophyte and are completely dependent on it for nutrition and water.
Fill in the blank(s) with the appropriate word(s).
gametophytes
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In general, which is less harmful, a duplication or deletion? ____
Fill in the blank with the appropriate word.
Nucleotides are joined together to make a nucleic acid strand by ____ bonds
a. phosphodiester
b. disulfide c. glycosidic d. hydrogen e. peptide
Why did Dolly the sheep die at a young age?
What will be an ideal response?
Which statements about the Lake Victoria cichlid fishes are true? Check all that apply.
A. The adaptive radiation of the Lake Victoria cichlids may have resulted from a key evolutionary innovation. B. Many of the Lake Victoria cichlids have very specialized adaptations that allow them to occupy diverse habitats within the lake. C. Speciation of the Lake Victoria cichlids was mainly sympatric. D. The diversity of the Lake Victoria cichlids continues today because the lake is devoid of predators. E. The adaptive radiation of the estimated 300 species of cichlid fish was very rapid and took place during the last 200,000 years.