Jan 24 Lecture Bivalve mistakes Chordate diagnostic characters Notochord: axial hydrostatic organ, myotomes Undulatory swimming in fishes Buoyancy.
Jan 24 Lecture
1 of 33© Boardworks Ltd 2008. Why need a transport system? Single-celled organisms, such as bacteria and amoeba (below), can obtain nutrients and excrete.
Mass Transport The movement of large quantities of substances around an organism. e.g. mammals – blood plants – xylem, phloem.
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