Which of the following would be the best way for an ecologist to determine the facts of an industrial waste chemical on the survival of a fish species

The procces of farming organism from the sea is ?

The diagram shows a fossil of an ancient whale skull and a skull of a present-day whale. the ancient whale is extinct and is believed to be an ancestor of the present-day whale. what do these skulls most likely show that supports darwin’s theory of evolution? all populations can adapt and survive. only some organisms have a common ancestor. populations change slowly over time. populations rapidly become extinct.

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