A compound light microscope is a microscope with more than one lens and its own light source. In this type of microscope, there are ocular lenses in the binocular eyepieces and objective lenses in a rotating nosepiece closer to the specimen.
Answer:
when an organism is homozygous at the locus
Explanation:
The answer is D. A, B, and C all use photosynthesis, and make their own energy. A cougar relies on killing other animals to get energy. I hope this helps!