Page 96 - General and Inorganic Chemistry for Advanced Secondary Schools Students Book Form Five and Six

Biology for Secondary Schools

2. Observe the structural features that are possessed by these plants which
are different from those of other plants.
3. Note down the distinctive features of conifers.

Questions
FOR ONLINE READING ONLY
1. What features have you observed?
2. What features distinguish conifers from other plants?

Coniferophyta is one of the divisions of the kingdom Plantae. Plants under the
division Coniferophyta are sometimes called coniferous trees or simply conifers.
These conifers bear cones and they are referred to as coniferophytes. The
conifers are non-flowering plants whose seeds are not enclosed in ovaries, but
are arranged spirally giving the shape of the cone. Examples of conifers include
casuarinas, spruces, cedars, pines, and cypress plants. Figure 5.21 (a) and (b)
shows the tree and branch of conifer.

(a) (b)

(c) (d)
Figure 5.21: Conifers (a) a tree (b) a branch (c) male cones (d) female cone

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