What organelle is used to describe fine strands of DNA wrapped in protein?

An example of internal feedback working to maintain homeostasis is your a. decreased respiration rate when you are studying b. decreased heart rate when you are sad c. increased respiration rate when your muscles need more oxygen d. increased heart rate when your lungs need more oxygen

Consider the venn diagram of plant reproduction. where in this image, areas a - d, would you insert the picture of the orange lily?

This rapid change in species that rarely leaves behind fossil evidence is referred to as