Exploring Life ScienceExploring Life Science is a thoroughly up-to-date 11-volume set specially created to provide reference support for the science curriculum in grades 4-6. It reflects today's increasing interest in the environment and includes a wide range of exciting new scientific advances -- especially in the field of medicine. Written in dear, understandable language, the text is complemented by detailed full-color illustrations and photographs, making this set attractive to younger students not only for use in completing their reports and research assignments, but also to pursue general interest in the life sciences. |
من داخل الكتاب
النتائج 6-8 من 8
الصفحة 690
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عذرًا، محتوى هذه الصفحة مقيَّد.
الصفحة 718
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عذرًا، محتوى هذه الصفحة مقيَّد.
الصفحة 719
... 645 Mendel , Gregor 670–671 migration , fish 647 , 649 mollusks 676-677 , 679 , 690 molting 680 monocotyledons 668 mules 671 mussels 647 , 676 , 679 Salamanders 644,683 salmon 647 , 649 salt glands 657 , 665 salts 656-657 scientific ...
... 645 Mendel , Gregor 670–671 migration , fish 647 , 649 mollusks 676-677 , 679 , 690 molting 680 monocotyledons 668 mules 671 mussels 647 , 676 , 679 Salamanders 644,683 salmon 647 , 649 salt glands 657 , 665 salts 656-657 scientific ...
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عبارات ومصطلحات مألوفة
absorb active allow alveoli anemones animals attached birds blood blood cells body bones brain breeding called carbon dioxide carry cause cells CHECK close contains covered cuticle developed digestive disease eggs energy example exoskeleton experiment feed feet female fish gills give glands ground grow hard HIGHLIGHTS humans important insects inside keep land layer leaves legs less live LOOK lower lungs male mammals mate million mollusks mouth move muscles organisms oxygen passes plants predators prey produce protective remains result river rock rodents root ruminants salt scientists scorpions seaweeds seeds selective breeding sense shape sharks shells skeleton skin sleep sloths smell snails snakes soil space species speech spiders spleen sponges starfish stems stomach streams stress structure substance surface swim teeth tiny tissue trees tube types usually young