fill in the blank

one of the differences between Cambrian animals and pre-Cambrian animals was the appearance of_________, such as antennae, as Cambrian animals evolved.

Question

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one of the differences between Cambrian animals and pre-Cambrian animals was the appearance of_________, such as antennae, as Cambrian animals evolved.

anonymous · Answer

well i am not really sure but it could be more complex eukaryotic cells but i am really not sure this is a hard question

anonymous · Answer

tell me about it it took me over two days just to try and figure this question

anonymous · Answer

do you think that mor complex eukayotic cells is the answer ?

anonymous · Answer

a little but like i said this question is hard to figure out

anonymous · Answer

yeah it is

anonymous · Answer

thats the answer

anonymous · Answer

thank you so much

anonymous · Answer

you wlcome

anonymous · Answer

It's the jawbone/Skull structure.