23. Fossils are rare because:

a. Only certain parts of organisms can fossilize

b. Very few organisms have died

c. They are only found in North America

d. Fossils are very common, silly

A molecule with the chemical formula C16H32016 is probably a

Inorganic compounds can be reduced by microbes either for biosynthesis (assimilatory reductions) or for energy metabolism (dissimilative reductions) purposes. What is the role of the inorganic compound that is reduced in dissimilative reductions?

A flower has 26 chromosomes. To create a new flower how many chromosomes would a sperm cell have, what is this process called

What were the first cells like

Describing Major Watershed Systems in Virginia Describe the watersheds in Virginia by choosing the correct answers from the drop-down menus.

How does a gradient of a river affect its flow

What is the main function of cuticle in plants? 1. It prevents water loss. 2. It absorbs sunlight. 3. It protects the plant from predators.

What minerals are found in bone? What do these minerals do for your bones

Scientists developed a new margarine containing plant ingredients they think will lower blood cholesterol levels in people who use the margarine.

Which of the following is a good example of something a cell might do during G1 phase