2 methods scientist use to obtain empirical evidence?

Why does salad become soggy and wilted when the dressing has been on it for a while? Explain in terms of osmosis.

The interstitial fluid is called the internal environment of the body because: a) Proper functioning of body cells depends upon the precise regulation of the fluid surrounding them.

Which of the following are the inputs of photosynthesis? Choose ALL that apply. CO2 C6H12O6 ATP Sunlight O2

To maintain adequate nutrition, animals require dietary access to certain amino acids. An amino acid that is referred to as "nonessential" would be best described as one that A) To maintain adequate nutrition, animals require dietary access to

An investigator is examining a crime scene for evidence. What type of scientist should she call to identify the human tissue found at the scene?

Define adaptation as a change that improves the change of survival for a species in a specific environment

The figure shows an energy pyramid for an ecosystem. What happens to the amount of energy in the pyramid as it moves up through the different levels?

If you had a sequence that was 32% thymine, how would the percentages be formed?

Looking at a cell under a microscope, you note that it is prokaryote. How do you know?/ A) the cell lacks cytoplasm B) the cell lacks a cell membrane C) the cell lacks a nuceleus D) the cell lacks genetic material

Similarity and differences between a female and a male urethra