A look at the nests of diverse species of birds examines the different shapes, materials used, locations, and heights above the ground that offer clues to the type of birds, with quizzes, puzzles, and games to test observation skills...
How an egg cell develops -- from the time it is joined by a sperm until the baby chick is hatched 21 days later -- is simply and clearly explained.
Greg makes fascinating discoveries about things he finds at home when he looks at them through his new microscope. ‘An accurate and entertaining book for beginning independent readers.' 'BL.
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