A student wants to compare the effect of 3 different brands of antiseptic solution on bacterial growth. The brands were labelled A, B and C. The student was supplied with agar plates on which bacteria were already growing. Outline a plan the student could use to investigate the relative effect of the three antiseptics. Your plan should include the apparatus used and consider safety. 6 Marks

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

explanation:

anthropod traits:

a well-developed collarbone

rotating shoulder joints

partially rotating elbow joints

opposable thumb

similar dental formula