If you are supposed to spray a given herbicide at a rate of 5 oz to 8 gallons, how many gallons do you need if you are going to use 32oz of herbicide?

Solve for the specified variable   for y

Write as a mixed number:

50% of the earth’s corals have died in the last 30 years. What is responsible for most of this death?

Which of the following would be an appropriate application of PCR?

If there are 10,000 calories of net primary productivity in a field, how much on average will be available to a secondary consumer?

How many chromosomes would be present in each gamete of the plant with a ploidy 2n=18?

Researcher measured the snout-to-vent (mouth to anus) length of Galápagos marine iguanas and observed the percent survival of different-sized animals, all of the same age. The graph shows the log snout-vent length (SVL, a measure of overall body size) plotted against the percent survival of these different size classes for males and females. Examine following figure/graph. What type of selection for body size appears to be occurring in these marine iguanas?  

A heart cell of human adult contains _______ chromosomes.

In Africa and other parts of the world, malaria parasites can cause deadly illness. There are high frequencies of the sickle cell allele in areas where malaria is more prevalent, suggesting that sickle cell allele produces a resistance to the malaria infection. Which sickle cell trait genotype has the HIGHEST biological fitness in Africa?