The two processes that produce variations in living things are

1. sexual and asexual reproduction

2. asexual reproduction and changes in the environment

3. mutation and changes in the environment

4. sexual reproduction and mutation

Are the genes in the daughter cells produced by mitosis the same as or different from the genes in the original cell? Explain how this happens.

What are the bonds that hold two amino acids together called? O A. Peptide bonds O B. Ionic bonds O C. Double bonds O D. Oxygen bonds

Two barnacles, Balanus and Chthamalus, can both survive on the lower rocks just above the low-tide line on the Scottish coast, but only Balanus actually does so, with Chthamalus adopting a higher zone.

You notice with amusement that your roommate accidentally puts on one blue sock and one red sock. how does the temperature of the two socks compare? (note: could you explain why?)

That young children preferred the taste of identical foods that were wrapped in mcdonald's packaging is an example of:

Which of the following correctly describes the size of the Milky Way galaxy?

The fossil record shows that two groups of organisms are related, which means they share a

The sun is A. An unusally hot star B. A very cool star C. A typical star D. None of the above

Which plant is often used as a soil conditioner Some Moss A Fern Some Horsetail Or maybe some Hornwort I just put my own little twist in words but the questions are Moss, Fern, Horsetail, and Hornwort

Astronomers studying the planet of Acer have detected igneous rock under its surface. One astronomer makes a claim that some of the material that this igneous rock formed from used to be in sedimentary rock on the surface of Acer.