What are three examples of evidence that complex biological molecules such as DNA could have formed naturally on Earth?

2points what is the term for a female reproductive cell? a. egg b. chromatid c. allele d. fertilization

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

The mixture of sperm and fluids from the seminal vesicles, prostate gland, and cowper's glands is called