C. Respiration d. Transpiration
a. Decay
b. Photosynthesis
The concept of the ecosystem was first given by
2.E. P. odum
b. Carl Linnaeus
Energy flow within ecosystem is
c. Charles Darwin
d. G. Tansley​

c;a;d;b is the correct information

Explanation:

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.

i think its control and coordinate because im pretty sure thats what tissue does and the joints are what control movement and then your skeletal/ bones provides portection. hope that .