abscission actin adaptation adaptive adipose aerobic allantois allele allosteric allometric altruism avelous amyloplast allopatric anabolism analogous anaphrase androecium anion anticodon antigen aorta amniocentesis aneuploidy antheridium apoptosis aquifers archaebacteria archegonium archenteron arteriole arteriosclerosis ascus asexual aster atrium autosome auxin axon bacteriophage basidiospore basidium bniennial bile biodiversity biomass biome bipedal bipolar blastocoel blastopore blastula bryophytes bud photosynthesis callus calyx capillary capsid carapace carbohydrate carpel cartilage catabolism cation cecum respiration cellulose centriole centromere cerebellum cerebrum chelicera chemiosmois chiasma chitin chloroplast chorion chromatid chromatin chromosome cilium cisterna cladistics clathrin cleavage cloaca cloning coacervate cochlea condon coenzyme coevolution cofactor collenchyhma commenaslism community cortex cotyledon cuticle cynobacteria cytochrome cytokinesis cytoplasm cytoskeleton dehydration demography denaturation dendrite depolarization demosome diaphragm diastolic dicot differentiation diffusion digestion dihybrid dikaryotic dioecious diploid disaccharide diurnal domain dominant duodenum ecdysis echysone ecology ecosystem ecotype ectoderm endodermis endometrium endomyhcorrhizae endorphin endosperm enosymbiosis endotherm energy enhancer enthalpy entropy enzyme epicotyl epidermis epididymis epistasis epithelium equilibrium erythrocyte erythropoisis estrus ethology euchromatin eukaryote eutrophic evolution exergonic exocytosis exon exoskeletion exteroceptor fat fermentation fertilization fibroblast fitness fovea fruit genomics gametangium gamete gametocytes gametophyte ganglion gastrula gene genotype genus gill glomerulus glucagon gluconeogensis glucose glycocalyx glycogen glycolipid glycolysis glycoprotein glyoxysome gravitropism guttation gymnosperm gynoecium habitat habituation haploidiploidy haploid hemoglobin hemophilia hermaphroditism heterochromatin heterokaryotic heterosporous heterotroph heterozygous histone homeostasis hominid homokaryotic homologue homosporous homozygous hormone hybridiztion hyperosmotic hyperpolarization hypha hypocotyl hypoosmotic hypothalamus induction immunoglobulin instar enterferon internode interoceptor interphase intron inversion ion isomer isosmotic karyotype keratin kidney kilocalorie kinesis kinetochore kingdom labrum larynx lenticels leucoplast leukocyte lichen lipase lipid focus lophophore lympyh lymphocyte lymphokine lysis macroevolution macromolecule macronutrients macrophage mandibles mantle marsupial matrix menustruation meristem mesoderm mesophyll metabolism metamorphosis metaphrase metastasis methanogens microbody microevolution micronutrient micropyle microtubule microvillus mimicry mitosis monocot monocyte monophyleric monosaccharide monotreme morphogen morphology morula mutagen mutant mutation mutualism mycelium mycorrhiza myelin myofilament myosin nephrid nephron neuroglia neuron neurotransmitter neurulation neutrophil nucleolus nucleotide nucleus ocellus olfaction ommatidium oncogene oocyst operator operculum operon organ organelle orthologs osmoconformer osmosis osteoblast osteocyte outcrossing ovary oviparity ovoviviparity ovulation ovum oxidation oxytocin ozone papilla aracrine paralogs paraphyletic parapoda parasexuality parasitism parenchyma parthenogensis pelagic pellicle peptide peristalsis peroxisome petal petiole phagocytosis pharynx phenotype pheromone phloem phosphodiester phospholipid photoperiodism photoreceptor photosystem phycologist phylogeny phylum phytochrome phytoremediation pigment pinocytosis pistil pith placenta plantkton plasmid plasmodesmata plasmodium platelet pleiotopy plumule polyandry polygyny polymer polymorphism polypeptide polyphyletic polploidy polysaccharide population primate prions procambium prokaryote prostaglandins protein proteomics protozoa pseudogene pseudopod pupa purine pyrimidine quaternary radicle radioactivity radula recessive reduction reflex repressor retina retrovirus rhizome ribosome ribozyme rod root rumen saprobes sarcolemma sarcoma sarcomere sclereid scrotum segregation selection semen senescent sepal septum shoot sinus solute sovent somite species spectrin sperm sphincter spiracle spore sporophyte stamen starch statocyst stele stigma stipules stolen stoma style substrate succession symbiosis sympatric synapomorphy synapse synapsis syngamy synteny systematics tagma taxis taxonomy celecephalon telomere tendon testcross testis tetamun thalamus thermodynamics thigmotropism threshold tissue totipotent trachea transcription transfection translation translocation transpiration transposition triploid trophoblast tubulin tumor turgor urea urethra urine oterus vacuole vasopressin vein vetiger ventricle vesicle villus vitamin viviparity xylem zoospore sygomycetes zygote