General Biology |
Contents
Relation of Biology to Other Fields 10 4 Subdivisions of Biol | 4 |
Aims of a Course in Biology | 18 |
PROTOPLASM | 39 |
Copyright | |
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activity adapted algae amino acids animals aquatic artery bacteria biology blood body called capillaries carbohydrate carbon dioxide carpel cavity Chapter characteristic chemical chromatids chromosome circulatory system coelom complex compounds condition constitute contains cycle diet digestive diploid division dorsal duct elongated embryo energy enzymes evolution example excretory factors female fertilization Figure flowers frog function gametes gametophyte gene gills gland growth habitats haploid heart hormone human individual inheritance insects intestine involved kidney layer leaf liver living lungs major male mammals meiosis membrane metabolic mitosis molecules mouth movement muscle nerve nervous system normal nucleus occur organisms oxidation oxygen pair parasitic pattern phloem photosynthesis phyla phylum plants posterior primitive produced progeny proteins protoplasm protozoa region respiration root secretion seeds segments sexual reproduction species sperm cells spores sporophyte stem structures sugar surface temperature tion tissue traits tubules types vascular veins ventral ventricle vertebrates vitamins xylem zygote