If humans belong in the chordates group and since deuterostomes consist of echinoderms and chordates, does this mean that humans are closely related to echinoderms such as stars, or does it mean originated from them? Are they closely related since they are grouped together?
2006-12-17 19:33:57 · 3 answers · asked by vanessa velasquez 1 in Science & Mathematics ➔ Biology
What this implies is that echinoderms gave rise to early chordates.They were called protochordates.By a gradual process of change and complexity, protochordates gave rise to fishes and then from them amphibians. The latter gave rise to reptiles. From reptiles emerged on one hand birds and on the other hand mammals.Early mammals were shrews. The process of modification and complication went on and primates evolved.They were at first monkeys. They gave rise to apes. The latter gave rise to man, which is the last offshoot.
2006-12-17 22:25:17 · answer #1 · answered by Ishan26 7 · 0⤊ 0⤋
i do no longer think of echinoderms and chordates are grouped jointly. Echinoderms are invertebrates jointly as chordates are vertebrates. diverse communities. nonetheless, a distinguishing function of echinoderms between different invertebrates makes them reminiscent of chordates. Echinoderms are deuterostomes like chordates. overview echinoderms contained in direction of the link under to be certain what deuterostome beings are. There in Biology Questions and solutions yo can placed up your guy or woman questions too.
2016-12-15 03:23:47 · answer #2 · answered by ? 4 · 0⤊ 0⤋
It means that cordates (us) are more closely related to the echinoderms than we are, for example, the cnidera or platyhelminthes.
2006-12-18 01:25:28 · answer #3 · answered by tanzanari 2 · 0⤊ 0⤋