vândut de libris.ro
n nA guide to discovery of the forces at work n in the world of plants. Through germinating seeds n and varying their growing conditions, students n learn by observation the different ways seeds n germinate and young plants respond to moisture n and light. Further experiments shed light on the n manner of nourishment, respiration, and reproduction. n The reader is given plenty to ponder since the text n often poses questions without supplying answers. n The life stories of the sweet pea, oak, ferns, n moss, and mushrooms and an account of some of the n forces plants have to contend with in their struggle n to survive encourage students to continue to read and n interpret their surroundings. An engaging introduction n to botany for middle school and beyond.n n n
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Vânzător: Libris.ro
Brand: George Francis Atkinson
