Polyploidy instantly results in a new plant species because it

a. changes a species' number of chromosomes.

b. produces a hardier species.

c. causes mutations.

d. all of the above

In Death Valley, California, there are several ponds that are formed in various areas of the desert. Each pond contains its own species of fish unique to the pond it lives in. a. geographic isolation b. anatomical isolation c. behavioral isolation d.

Strep throat is a common human illness often caused by bacteria streptococcus pyogenes which term best classifies the colonies of streptococcus pyogenes in a person with strep throat

Which scientific method are not displayed on a graph

Which of the following is best definition of technology A. The most recent electronic devices, B. Practical applications of scientific knowledge, C. The pursuit of scientific knowledge, D. The scientific process

What type of compensating filter is recommended for use on an ap shoulder projection for a hypersthenic patient?

Why could a diet low in carbohydrates be dangerous?

What is a pathogen free environment

which object would take the most force to hold up in the air? A. a bus B. a chair C. a balloon D. a nail

In a ecological pyramid, what happens to energy, biomass and number of species as you move up? Why?

Experiment: Water Properties: Why were the results with just water so much different than the trials with the detergent?