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Ch.6 Tissues and the Primary Growth of Stems, Crosslink Connections: The…
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Crosslink Connections: The prickly pear shows that one plant can have two types of shoot. The pad is the main shoot and the spine-bearing branches are highly modified axillary shoots. The plant also has two types of leaves the small fleshy green leaves on the young buds and the spines on the axillary branches.
Cross-link Connection: The orchid carries out photosynthesis by means of roots that contain chlorophyll. The plant grows in trees, attatched to their bark, such that its roots are exposed to sunlight. The photosynthetic roots grow in any direction, even upward.
Cross-Link Connections: In the buds of pistachio, leaves are modified into bud scales, just like the prickly pears. Bud scales are waterproof and protective but they are shed when the bud begins to grow in the spring. There are buds in the axils of the leaves and a bud at the very tip of the shoot.
