The fossil record shows that a type of aquatic arthropod arose 505'440 million years ago and is now extinct. which of today's animals might that ancient organism most resemble?

Imagine you had a bar of gold and decided to cut in half. You repeated this process until eventually you could no longer cut the gold in half without splitting a single atom of gold. This would prove that gold is a (n) o A. mixture. OB.

How does base pairing differ in rna and dna?

Updates are especially important for anti-virus programs because without updates these programs will not protect your computer from the newest viruses.

Three kinds of particles that make up most atoms

4. Your classmate is viewing a sample using high power and is about to refocus using the coarse adjustment knob. What would you recommend your classmate do and why?

What food source is available to animals in benthic zone and marine habitats

The process of breaking down a larger molecule, called a ploymer, into its monomets is called what

Carol is enjoying eating her dinner. While eating, she notices that her saliva secretion is higher than normal and that she feels good and relaxed. What causes this relaxed state?

What is the difference between bacillus, coccus, and spirillum

What is always true of scientific practices a. They prove a hypothesis to be correct b. They involve steps performed in the same order c. They seek to produce verifiable data d. They lead to the same interpretation