What is an unconformity? A. evidence of past life B. all the time passed since the origin of Earth C. a division of strata that can have multiple layers D. an erosional surface representing a gap of time in the geological record

What heart problem would be experienced by an individual whose ECG is seen at C? a. ECG tracings showing normal and various abnormal rhythms. b. The atria are not pumping blood. c. The ventricles are not reaching systole in every cardiac cycle. d.

What is the process that alters genes and allows variation?

Chromosomes form tetras during? a) interphase b) prophase l of meiosis c) anaphase ll of meiosis d) metaphase 1 of meiosis

A __ serves as a long term storage area for water and nutrients

What is one way that eukaryotic cells differ from prokaryotic cells?

Which of the following choices is a goal of sustainable practices? A. They focus on using resources for maximum productivity. B. They focus on using resources that can disappear if overused. C. They focus on using resources that can be renewed. D.

Why are atoms so important?

Which of the following is the best example of homeostasis in the human body? and why?

Dna determines the structure of proteins produce by cells?

What does a organism that is still has many cells produce spores and gets food from the enviroment