What important event in animal evolution marks the beginning of the Cambrian period?

the ability to swim

the ability to fly

the appearance of hard parts

the appearance of fossils

After carbohydrates and proteins are digested, what types of smaller nutrients are absorbed into the blood

Create a short story (at least 10 sentences) explaining where the parts of the brain are located (ex. "If I touch my forehead, the frontal lobe is located behind this region ...). a. You must use the following vocabulary terms in your story: b.

What is the purpose of Mitosis In single-celled organisms

4. Which is not a major mineral group?

What are some of the naturally occurring greenhouse gases

What is an unusual property of magnetite?

Which describes the scientific view's order of earth's first living things to the most recent? A. cyanobacteria, hagfish, crocodilians, giant ground sloths B. cyanobacteria, crocodilians, hagfish, giant ground sloths C. cyanobacteria.

At what stage of mitosis does the cell grow and make copies of its hereditary material

A landform that has high elevation and a more or less level surface is a ...

Which of the following contain only prokaryotes? A) Domains Bacteria and Eukarya B) Domains Archaea and Bacteria C) Only Domany Eukarya D) Domains Archaea and Eukarya