Principles of Animal Biology

abdominal afferent alimentary Amphibia animals Annelids appendages arch arteries Arthropods auricle BB CC birds blood body bones called canal capillary cavity cells characteristics characters chemical cilia Class colour compound eyes crossed Crustacea dorsal Drosophila effector embryo eyes female fertilization fibres fishes fossil frog gametes ganglia ganglion Gastropods Genera genes gill gland gonads heart hybrids individuals insects intestine land Vertebrates layer limbs Linnæus liver living lung fishes lungs mammals mated maxilla melanophores Mendel's microscopic motor bicycle mouth muscle muscular mutant nerve nervous system notochord nucleus offspring organs ovary oxygen pair of chromosomes Paramecium pigment plants posterior produced proteins receptor red-eyed region reptiles response result segments sexual Shell-fold side single skin skull species sperm spinal cord stimulation striped muscle structure surface tadpole tissues trunk Unity of Type veins ventral ventricle Vertebrates vessels vestigial white-eyed wild type yellow yolk yolk plug