I’m begging, can someone please help me with this? Our teacher did not explain this and I am so confused! (Picture is attached) This is a simple question and I really need someone to explain how to do it for me! Thank you.

This aquarium exhibits biotic and abiotic factors in an aquatic environment. one of the abiotic factors is

Surrounded by microtubules, located near the nucleus. (don't try to google it) (give answer only if u know)

Which strategy is an example of how companies may upgrade themselves to meet changing customer preferences? a.doing door-to-door sellingb.using billboards to advertise the productsc. making online shopping services availabled.giving discounts on products