Here is the answer. In the sliding-filament model, if myosin did not attach to actin filaments, what happens is that, the muscle would be permanently relaxed. Myosins work with actins and these are motor proteins. Hope this is the answer that you are looking for.
Probably these two choices as well: <span>slow movement of the continents.
sea floor spreading from ocean ridges</span>
I believe the correct answer from the choices listed above is option D. The animals are more closely related according to Linnaeus's system of classification when the two animals share traits at the genus level.
Hope this answers the question. Have a nice day.
Answer:
the cycle of processes by which water circulates between the earth's oceans, atmosphere, and land, involving precipitation as rain and snow, drainage in streams and rivers, and return to the atmosphere by evaporation and transpiration.