After a chemical spill in a nearby lake, residents began to notice a large number of dead turtles washing up on the shore. what is the likely cause of the turtle deaths? a) overfishing of the turtles by the local fishermen. b) someone has introduced a new turtle predator to the lake's ecosystem. c) the lake water mixed with the spilled chemical and created a toxic pollutant. d) the elimination of the insects and plants that make up most of the turtle's diet.

Need ! will give 20 points! what are two ways that diatoms differ from slime molds? the external coverings of diatoms are made up of (silica, chitin or peptidoglycan), while slime molds have cell walls containing (silica, peptidoglycan or chitin). diatoms are (chemoheterotrophs, photoautotrophs or chemoautotrophs) because they make food through photosynthesis, while slime molds are (heterotrophs, phototrophs or autotrophs) because they eat decaying plant matter.