I believe that the answer is b
Forming an hypothesis, gathering materials, performing your experiment, and determining the conclusion. Also determining independent and dependent variables could be one depending on the teacher. Sorry if I’m wrong!
I am going to go with either C,A B.
I'm not entirely sure. it's just what i think
The organ which plays the primary role in prompting individuals to seek food is the brain. The brain is one of the most important organ of the nervous system. It is comparable to the CPU of a computer. It is repsonsible of processing information that it is receiving from all the senses and send the message back to the organs for a response.
A branch or leaf and here is a link to some flash cards i found
https://quizlet.com/45759526/developmental-anatomy-flash-cards/