5. Why are index fossils useful in dating rock layers?

If you have two solutions separated by a semipermeable membrane, one having a 7 % concentration of salt in water and the other having a 12 % solution of salt in water, the water will flow from the side with the __% solution to the side with the __ %

To reverse the obesity epidemic among children in the U. S., efforts should focus on a variety of supporting strategies throughout the schools and community. Those efforts might include ALL BUT ONE of the suggestions listed here.

If the solution surrounding a cell has a lower concentration of solutes than inside the cell, water will move into the cell through osmosis, causing it to expand. What kind of solution is surrounding the cell?

Does a data support or refute the hypothesis?

Which of the following cellular organelles is the site of translation during protein synthesis? A. Cell membrane B. Nucleolus C. Golgi apparatus D. Ribosome

What as Redi's constant, conditions that are kept the same in an experiment so that differences in results can be interpreted correctly, in his scientific experiment?

Tomato plants usually have hairy stems. Hairless stems are present in tomato plants that are homozygous recessive for this trait.

What is the shape of a vessel cell from a plant stem and how does its shape match it's functions?

The effects of the sympathetic nervous system are divergent, meaning that a single stimulus can have an effect on a large number of targets. in other words, when the sns is activated, all of the organs it innervates are stimulated.

Which two strata of the epidermis are most susceptible to cancer?