so... jellyfish have no blood, heart, or brain. but they're cold blooded? that doesn't make any sense. I'm so confused... IF JELLYFISH HAVE NO BLOOD HOW ARE THEY COLD BLOODED?! MAKES NO FRICKIN SENSE!

Explanation:

they're cold-blooded because they can kill they can sting m

an don't u know snakes are cold blooded reptiles

What they mean is that think of their blood as the water and when it's too cold they move slower and when it warm they move as normal. Also

I think it's a translation mistake

Explanation:

the correct answer is option b

behavioral response need communication and thus co-ordination at several levels such as interaction among cells, organ system and the entire organism.

behavioral response produces both internal and environmental stimulus.

haploid cells;