Question

“Ontogeny repeats phylogeny" was caused by:
(i) Darwin
(ii) Lamarck
(iii) Morgan
(iv) Haeckel​

Answer 1

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Answer:

This phrase was given by Ernest Haeckel .

Option 4

It means that an organism shows its ancestral adult stages during embryonic development .

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Answer 2

Answer:

(iv) earnest haeckel

Explanation:

Ontogeny is the origination and development of an organism, usually from the time of fertilization of the egg to the organism's mature form—although the term can be used to refer to the study of the entirety of an organism's lifespan.