AP BIOLOGY

PLANTS

CLASSIFICATION OF PLANTS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
The vascular plant kingdom is divided into two main groups:
A
flowering & non-flowering
B
spores & seeds
C
trees & plants
D
conifers & flowering plants
Explanation: 

Detailed explanation-1: -Answers: Based on the system of classification proposed by A. W. Eichler (1875-78), the plant kingdom is divided into two subkingdoms Cryptogamae and Phanerogamae. The cryptogams are flowerless (non-flowering) and seedless, spore-bearing plants. Phanerogams are flower bearing, seed producing tracheophytes.

Detailed explanation-2: -The vascular plants have two types of seed plants, including gymnosperms and angiosperms.

Detailed explanation-3: -Vascular plants like ferns and horsetails don’t have seeds, they reproduce with spores! These plants have two stages, the gametophyte stage and the sporophyte stage. The sporophyte stage is what you are probably most familiar with.

Detailed explanation-4: -Vascular plants include the clubmosses, horsetails, ferns, gymnosperms (including conifers), and angiosperms (flowering plants). Scientific names for the group include Tracheophyta, Tracheobionta and Equisetopsida sensu lato.

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