features of invertebrates
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(1) absence of spinal cord.
(2) they are multicellular organisms, completely lack with cell wall.
(3) they do not have lung for respiration.
(4) respiration through skin.
(5) body divided into three parts - head, thorax and abdomen.
(6) they cannot make their own food.
(2) they are multicellular organisms, completely lack with cell wall.
(3) they do not have lung for respiration.
(4) respiration through skin.
(5) body divided into three parts - head, thorax and abdomen.
(6) they cannot make their own food.
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1.no internal skeleton
2.backbone is not present
3.tail is absent
4.heart when present, is on the dorsal side of the body
5.nerve cord is ventral and solid
6.they have three or more pair of limbs, if present
7.haemoglobin,if present, dissolved
2.backbone is not present
3.tail is absent
4.heart when present, is on the dorsal side of the body
5.nerve cord is ventral and solid
6.they have three or more pair of limbs, if present
7.haemoglobin,if present, dissolved
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