Which of the following are disadvantages of the aristotelian classification system?
i. the system contained too many groups to be useful.
ii. the system did not show relatedness of organisms.
iii. organisms were grouped by habitat, not structrual similarity.
iv. it was an expensive and highly technical process.

a. seed plant structure. 1. the three main plant organs are roots, stems, and leaves. a fourth kind of tissue, meristematic tissue, is responsible for plant growth. meristematic tissue is the only plant tissue that produces new cells by mitosis. plants can lose water out of their leaves as they exchange gases with the air

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