A (n) is a heterogeneous mixture in which solid particles settle.

Copper and gold are both elements. What can you conclude? A. copper is made of atoms B. gold is made of atoms C. both copper and gold are made of atoms D. neither copper or gold are made of atoms

The 150-million-year-old Archaeopteryx fossil has birdlike features such as feathered wings, but it also has characteristics that we associate with living reptiles.

Why is information about a patient's lifestyle and about possible environmental exposures important when investigating an outbreak?

Select the correct statement (s) about animal body plans. Select all that apply. a. Development in all animals is determined by the unique family of Hox genes (or other similar homeobox genes) b.

What are 5 things that are important to know about biology for a final on 1 semester?

What could a dog living now and a car living thousnads if years ago have in common

The process of transducing air pressure waves into neural messages that the brain interprets as meaningful sound is known as

Why does photosynthesis require water? a. because water provides oxygen atoms. b. because water provides electrons. c. because water accepts electrons. d. because water acts as a catalyst.

An education guess or rational explanation about a specific phenomenon

What are the technical name for red blood cells white blood cells and platelets?