What are the monomers and polymers for each of the four macromolecules?

In a cladogram' when does a group of organisms branch off

Why does miranda have that particular vision of dr hildesheim answer?

Which of the following statements is most likely correct about a rock belonging to the jurassic age and a rock belonging to the cambrian age? options: 1) they have identical fossils of organisms that have evolved over time. 2) both have animal fossils preserved in them due to weathering and erosion. 3) they contain different fossils because life on earth has changed through time. 4) the fossils in them were formed on the surface of earth due to exposure to sunlight.