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?

What is the best way to describe how the hereditary information is carried in prokaryotic cells

If a star is moving toward Earth, it is A. expanding B. red shifted C. blue shifted D. shrinking

What specific molecule are receptor molecules made of?

Which of these is a pure substance. dimond. salt. ocean water a. a and b. b and c

Which taxonomic group includes kingdoms and all other levels of taxonomy? phylum domain genus species

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

Which statement is true about the scientific method

How do cells correct errors in DNA that would disrupt their function

Which is true of oxidation? a) It is a physical process b) No change occurs in the makeup of rock c) Rocks weather at different rates d) Water freezes in cracks in rock