Home › CBSE Class 11 (Science) › Biology › Chemical Coordination and Integration › Which kind of animals have very simple endocrine…
Which kind of animals have very simple endocrine systems with few hormones?
AMammals and birds
BReptiles and fish
CInvertebrate animals
DAmphibians only
Answer & Solution
Correct answer: C. Invertebrate animals
Invertebrates coordinate with only a few hormones, while vertebrates use a large number of chemicals.
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