1. An annual has a shorter juvenile phase. Since its entire life cycle has to be completed in one growing season, its juvenile phase is shorter.

    An annual has a shorter juvenile phase. Since its entire life cycle has to be completed in one growing season, its juvenile phase is shorter.

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  2. a. The tuber has nodes and internodes. b. Leafy shoots appear from the nodes.

    a. The tuber has nodes and internodes.
    b. Leafy shoots appear from the nodes.

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  3. a. They are unicellular organisms. b. They have a very simple body structure.

    a. They are unicellular organisms.
    b. They have a very simple body structure.

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