LANDS. ... Land forming, or paedogenesis, is a combined effect of physical, chemical, ... of rock-bed weathering, and it is the most influent factor in land evolution. ...
Trends in Animal Evolution Symmetry ... deuterostome Digestive system None gastrovascular cavity complete digestive system Body cavities acoelomate pseudocoelomate ...
Is Homo sapiens evolving before our eyes, and can we analyze this evolution as it happens? ... before our eyes, and can we analyze this evolution as it happens? ...
... larvae that resemble tadpoles. Subphylum Cephalochordata. 22 ... BUT the young are tadpole-like. Adult tunicate. Larval tunicate. Reproduction by a juvenile ...
Notochord: longitudinal, flexible rod located between the ... Monotremes (egg-laying): platypus; echidna. Marsupials (pouch): opossums, kangaroos, koalas ...
... retain fertilized eggs; nourished by egg yolk; young born live. Viviparous- young develop within uterus; nourished by placenta. Superclass Gnathostomata, ...
BAB IX DUNIA HEWAN Struktur tubuh bintang laut Sistem ambulakral pada bintang laut Madreporit Saluran radial Saluran cincin Ampula Testa Pediselaria Kaki ambulakral ...
Embryology. Homology. Shared common ancestry. Same embryonic precursor. Analogy. Shared function ... Random chance mutations, coupled with geographic isolation ...
Hampir 90% dari seluruh jenis hewan yang diketahui orang adalah Arthropoda. Arthropoda dianggap berkerabat dekat dengan Annelida, contohnya adalah Peripatus di Afrika ...