I was looking for an answer and I found this. I hope this helps in some way.
Animal cells do not have chloroplasts because animals get sugar from the food they eat, they do not need chloroplasts: just mitochondria.
and plant cell need chloroplast because plants don't get their sugar from eating food, so they need to make sugar from sunlight so they have chloroplast
Compound light microscope. while adjusting the mirror so that a circle of light can be seen.....giving you a hint at the answer
