Imagine you do a an experiment to find out how soil moisture affects seedling growth and you plant seeds in soils with 3 different moisture values. What is your independent variable?

*number of seeds

*soil moisture

*number of soil types

The bond energies in our genetic molecules (dna) are about 300 kj/mole. when dna absorbs a sufficiently energetic photon it can break bonds, and reactions can happen that lead to cancer.

How are the different types of Protista classified?

Plant cells use specific organelles for photosynthesis in order to produce glucose. Plant cells contain another organelle that functions as a storage tank for excess glucose or starch. That is the

Geologist have divided earth's history into units, which are largely based on

Each cartilage is surrounded by dense connective tissue called

In which species of animal does sebum eventually become lanolin?

What are some examples and non examples of chemical bonding?

Match the staining techniques with their purpose. A Negative stain such as India ink or Congo red. B The Gram stain C The Ziehl-Neelsen Acid-fast stain D Simple stain with a basic dye E The Schaeffer-Fulton Endospore stain Stain microbes a bright

Sandy puts a paper clip on the table and puts a magnet near the paper clip. The paper clip begins to move. What type of forces are acting on the paper clip?

Which statement is an example of absolute age? 1) Dinosaurs lived a long time ago 2) Trilobites lives before dinosaurs 3) Teachers are old 4) Dinosaurs went extinct 65.5 million years ago