Related by context. Frequent words. (Click for all words.) 65 morphologically 59 taxa 58 phyla 57 clades 56 taxonomic 56 evolutionarily 55 placental mammals 55 phylogeny 55 convergent evolution 54 taxon 54 amino acid sequences 54 biologically 54 phylum 54 Indohyus 54 theropod dinosaurs 53 theropod 53 phylogenetic 53 subfamily 52 species 52 DNA sequences 52 genomic sequence 52 vertebrate animals 52 arthropod 52 olfactory receptors 52 anatomically 52 botanically 52 sexual dimorphism 52 slime molds 52 macroevolution 52 clade 52 reproductively 51 theropods 51 mitochondrial genome 51 T. gondii 51 genetically 51 genus 51 genetically distinct 51 symbionts 51 phylogenetic tree 51 behaviourally 51 lactobacilli 51 subspecies 50 systematics 50 molecularly 50 Ardipithecus 50 toothed whales 50 haplotypes 50 homologs 50 symbiont 50 eukaryotic 50 crocodilian 50 gene sequences 50 mammalian species 50 herbivorous 50 Toxoplasma gondii 50 mechanistically 50 H. sapiens 49 phenotype 49 baleen whale 49 melanogaster 49 prokaryotes 49 trilobites 49 Hox genes 49 subpopulations 49 nonliving 49 taxonomy 49 genetically identical 49 evolutionarily conserved 49 FOXP2 49 biogeography 49 morphologies 49 vertebrate species 49 Apatosaurus 49 avian species 49 amino acid sequence 49 lineages 49 unicellular 49 major histocompatibility complex 48 protozoan 48 methanogens 48 histone modifications 48 Diplodocus 48 Tiktaalik 48 diploid 48 scientifically 48 anthropoids 48 mutant strains 48 phytoestrogen 48 Toxoplasma 48 Ardipithecus ramidus 48 defensins 48 rhesus 48 phenotypes 48 abiotic 48 multicellular 48 enantiomers 48 erectus 48 gene expression patterns 48 herbivore 47 primate species 47 marine invertebrates