Pattern of growth, Biology

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PATTERN OF GROWTH -

1.       ISOMETRIC -

In it an organ grows at the same rate as the rest of body. External form of body is not changed. eg. fish, locust.

2.       ALLOMETRIC -

An organ grows at a rate differnt from that at which the body grows.

eg. in mammals different parts of body.

Note :- Growth is under control of thymosine, thyroxine and STH.


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