Answer:
Hey there. The answer should be Tubulin.
Explanation:
Spindle fibres are formed from microtubules which are made up of a protein called Tubulin.
Ecosystem
Ecosystem refers to the community made up of all the living organisms (biotic component), their physical environment and all their interactions in a given space.
The biotic and abiotic components of the ecosystem are linked with the help of energy flows and nutrient cycles.
I think the answer is man
