4) What are the 2 main parts all early life had to have?

hormones in blood stream

image: dtc.ucsf.edu

endocrine glands secrete hormones into the blood stream near them; the hormones then travel in our bloodstream until it reaches its destination, called a target cell, in distance parts of the body. in the target tissue, hormones lock onto the target’s plasma membrane, called the receptor site.

there is no stairs in bungalow

explanation:

can i have brainliest i need one

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answer: collecting information/data

reason: the student is going around and asking people questions to collect data

i hope this