Which of these is a hypothesis?

Why is there a delay between the ecg pattern and the resulting beat of the heart?

Monosaccharides are used by plants and animals as a source of a) building muscle b) hormone balance c) fat storage d) a source of energy

Which of the following describes what might happen if the septum in the heart ruptured? Answer A. Blood entering the atria would leak into the ventricles. B. Blood from outside the heart would leak into the heart. C.

Why are all the people on earth members of t he same biological species? A. All people have the same genetic makeup. B. All people originated from the continent of Africa. C. All people have adaptations that allow them to live anywhere on earth. D.

Why is staining useful when studying cells through a microscope?

What is the functional group that is formed when glycerol reacts with carboxylic acids to form triglycerides -Carbohydrate -Ester -Ether -Carboxylic acid

Ture or false evidence for evolution includes millions of fossils

Which leukocyte might you expect to find in higher quantities in a person experiencing allergies?

A small number of finches live in a protected bird area. They are given as much food as they need and have plenty of space. Why would natural selection not occur in this population? O A. There is no diversity in the population, O B.

How do organisms carry out chemical activities of life?