Which is true for the beginning of the Cenozoic era?

A.) Mammals and dinosaurs lived together.

B.) Mammals first appeared.

C.) Dinosaurs had killed all mammals.

D.) Dinosaurs were extinct.

Which phrase best describes the main function of the stomach? A. contracts to move substances through the body B. provides structure and support C. removes metabolic waste products from the body D. breaks down food to acquire nutrients

Which kingdom is known to contain organisms that have cell with no cell walls

Determine the errors (if any) with each galvanic cell set-up when the anode is on the left. (select all that apply.)

Place the following words into the illustration below: gametes, sporophyte, gametophyte, and zygote. Explain how the terms are related.

Where does the protein building of translation take place A) mitochondria B) anticodons C) ribosome

What is a likely advantage of having a multicellular body that consists of fine filaments (hyphae) ?

Roger sperry conducted important research in what field of study?

A molecule of bacterial DNA introduced into a yeast cell is imported into the nucleus but fails to replicate with the yeast DNA.

Which principle states: "Geologic processes taking place on Earth today operated similarly in the past and can be used to explain past geologic events"? lateral continuity Steno's principle faunal succession uniformitarianism

Over 100 years ago, microbiologist Paul Ehrlich talked about his concept of the ideal antibiotic as a "magic bullet" that could kill harmful bacteria but have minimal side effects for the infected person. How do antibiotics accomplish this goal?