Which of these statements describes a process that is shared across all species in all three domains (Archaea, Bacteria, and Eukarya) and indicates a common ancestry for life on earth?

A) All cells contain chloroplasts that perform photosynthesis.

B) All cells perform mitosis to replicate chromosomes and separate them during cell division.

C) All cells store their genetic material in a nuclear envelope to be read during transcription.

D) All cells share a genetic code where triplet codons are read during gene expression to build proteins.

Isolated volcanic peaks on the ocean floor are

Nh3 +02-no + h20 is unbalanced what is the balanced equation

Cladistics is a way of classifying organisms by examining the characteristics of their ancestors and descendants and depicting the relationships in a cladogram. which of the following best describes a challenge in classifying organisms this way? a. there are millions of species on earth, and a cladogram is not a practical means for classifying all of them. b. it is impossible to tell which organisms are most closely related to each other using a cladogram. c. cladograms are detail-oriented and do not provide a useful understanding of evolutionary relationships. d. there is a limited number of ways to organize the information, so most cladograms end up looking very similar.