tag:blogger.com,1999:blog-8690147644672590254.post4609407571880986918..comments2023-05-19T21:21:55.887+08:00Comments on 2011 S2-09 Science Blog: InvertebratesMrs Lim Woon Foonghttp://www.blogger.com/profile/10342275694714999936noreply@blogger.comBlogger4125tag:blogger.com,1999:blog-8690147644672590254.post-67530621494111636032011-01-11T20:04:54.149+08:002011-01-11T20:04:54.149+08:00I have learnt that they have an open circulatory s...I have learnt that they have an open circulatory system with a heart and an aorta.<br /><br />I have discovered that as they grow bigger, they shed their shells through a process called moulting.Chris Johnhttps://www.blogger.com/profile/12514614513012488433noreply@blogger.comtag:blogger.com,1999:blog-8690147644672590254.post-23538584775100637912011-01-11T13:33:11.572+08:002011-01-11T13:33:11.572+08:00I learnt that mollusks has a nervous system with ...I learnt that mollusks has a nervous system with a circum-oesophagal ring, ganglia and paired nerve chords. I discovered that invertebrates can grow big in the right conditions, like Meganeura, a dragonfly with a 75 cm wingspan.Tim Yaphttps://www.blogger.com/profile/09459825481821707119noreply@blogger.comtag:blogger.com,1999:blog-8690147644672590254.post-67803582786968169922011-01-11T13:29:41.614+08:002011-01-11T13:29:41.614+08:00I have learnt that arthropods take up most of the ...I have learnt that arthropods take up most of the Invertebrate population. They have no spinal columns and their exoskeleton may also have some composition of lipids, other proteins, and calcium carbonate.<br /><br />I have discovered that hermit crabs occasionaly change their shells on their backsBenjamin Fhenghttps://www.blogger.com/profile/17165081480628290812noreply@blogger.comtag:blogger.com,1999:blog-8690147644672590254.post-86772437660981124472011-01-11T13:15:00.658+08:002011-01-11T13:15:00.658+08:00I learnt that invertebrates has:
1. Segmented bod...I learnt that invertebrates has: <br />1. Segmented bodies<br />2. Multicellular<br />3. No spinal column<br />4. Eukaryotic<br />5. Motile Living Things<br />6. Cannot synthesize food<br />7. Mode of nutrition is by ingesting food<br /><br />I have discovered that invertebrates only has fluid-filled, hydrostatic skeleton.Si Yuanhttps://www.blogger.com/profile/10526597588657473975noreply@blogger.com