1. Which three eons make up the Precambrian? Hadean, Archean, Mesozoic
O Hadean, Archean, Proterozoic
O Archean, Proterozoic, Paleozoic
O Phanerozoic, Hadean, Archean

When mendel crossed a true-breeding short plant with a true-breeding tall plant all the offspring were tall. which term describes the gene for tallnes?

What are the student's observations and inferences before he starts his investigation?

Use the phylogenetic tree to the right to determine which statement below is true. organisms a and f are not related. organism e is more closely related to organism b than organism f. organisms c and d are more closely related than organisms a and b. phylogenetic trees