1 hormones
2 external stimuli
<span>The deposition of heavy sediment can significantly diminish the water quality and aquatic habitat. The sentiment in the water can reduce the sunlight that reaches the floor of the waterway, affecting animal and plant life. For example, photosynthesis may be less effective due to the decreased sunlight and the gills of fish may get clogged from the sediment.</span>
The correct answer choice is answer B.) The fossil record provides evidence of a common ancestor to many species. Hope this helped!
