Which process is a source of variation for organisms

Structures that occur in different species but are similar enough to suggest that the species had a common ancestor is Question 2 options: comparative embryology homologous structures phylogenetic tree

Justify the claim that all organisms take in matter and rearrange the atoms to be used in other molecules.

Starting with prophase, what is the correc order of the four diagrams above

What characteristics separate algae from protozoans and plants?

Which subphylum retains all chordate characteristics, even in the adult forms? Urochordata Cephalochordata Vertebrata

True or false the grain group includes, cereal, rice, pasta, and grits

Read the paragraph, and then answer the question. The solid part of Earth is made of huge chunks called plates. These plates sometimes move. When this happens, earthquakes may occur.

I am living thing and i can carry out all life processes. what am i?

What happened to energy as it's passed through the food chain

A 37-year-old client of Native American/First Nations/Aboriginal descent visits the clinic for the first time. She is about 12 weeks pregnant, and this is her first pregnancy.