Explain how you could find the ages of fossils and materials

A functioning organism: a. must be multicellular, b. must possess interrelated systems, c. can be unicellular, d. can be plant or animal, e. must be an animal

What are the benefits and drawbacks to using solar, geothermal, and wind power as alternative sources of energy

Where are over half the bones in the skeleton located

Jake and Aisha conducted an experiment together to test the effects of fertilizer runoff on the amount of dissolved oxygen in a lake. They each created a graph from the results.

Both chloroplasts and mitochondria are like in that they both have what?

What are at least 5 important words associated with the water cycle? What do they mean? Why are they important?

Which of the following organisms is NOT a protist? a. water molds c. Amoebas (protozoans) b. Escherichia coli d. Diatoms (algae)

A 56 year-old pro golfer is having mohs micrographic surgery for skin cancer on his forehead. the surgeon performs the surgery with two stages. the first stage includes 4 tissue blocks and the second stage includes 6 tissue blocks.

13. Excess salt is removed from the body through sweat glands in the skin, This is an interaction between systems.

a cell with 5% salt concentration is placed in a beaker with 1% salt concentration. what will happen to the cell over time