When 2 species bennift like fish cleaning a whale by eating off his skin
The answer is B. Hope this helps. Please mark Brainliest:)
Answer:
How are you today just wondering sorry..
Explanation:
i'm just going around making sure everyone has a blessed day!
<span>1) maintenance of body homeostasis by regulation and coordination of all organ systems.
2) Acts as the sensor and control center for many systems
3) provides communication between the control center sensors and effectors.
</span>
M+90=150
minus 90 in both sides
m=60
