A T. rex and triceratops were found buried together in Montana. A different T. rex was found in Wyoming. Scientists know the rock the T. rex was found in is the same age as the rock from Montana. This shows the principle of

Select all that apply genes are specific nucleotide sequences occur in numbers that are the same as the number of chromosomes are located in a specific place on a chromosome determine the traits of an organism are units of rna

What mistake did john needham make that caused him to conclude that spontaneous generation for microorganisms occurred? a. he re-contaminated his boiled broth solutions. b. he destroyed the vital force in the solutions. c. he did not boil his broth solutions, only warmed them. d. he failed to seal his flasks of boiled broth. e. he allowed his assistant to conduct the experiment which he did not monitor closely.

Why does sexual reproduction result in more genetic variation in a species