Exploring Life Science, المجلد 9
Exploring 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.
ما يقوله الناس - كتابة مراجعة
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طبعات أخرى - عرض جميع المقتطفات
absorb acid algae amphibians anemone's animal's animals arthropods astronauts backbones birds body bones brain called carbon dioxide cartilage cephalothorax CHECK clams crabs crustaceans cuticle dams digestive eggs enzymes epidermis example exoskeleton feed feet female fertilized fish gills glands grow habitat HIGHLIGHTS humans insects inside invertebrates jaws layer living in groups lower lungs male mammals mate membrane molecules mollusks mouth move muscles nematocysts nest nutrients offspring organisms oxygen phloem photosynthesis plankton plant stems plants poison predators prey produce protein red blood cells reptiles respiratory surface respiratory systems rivers and streams rock rodents root rumen Ruminants salt scientists scorpions Sea anemones seabirds seaweeds seeds selective breeding sharks shells skeleton skin sleep sloths smell snails snakes soil space species speech sperm spiders spleen sponges starfish stems stomach stress structure substance swim teeth temperature tentacles tiny tissue trees tube types vertebrates whale shark