If each of tree has 163 species of beetles that are found only on that type of tree but no others, how many species of beetles are there in tropical trees? explication?

How does the study of genetic disorders such as pku biologists understand normal alleles?

What is the main fuel source for the work of the cell

Rarefaction is used for which of the following? a. creating a representative sample b. studying how disease impacts populations c. rediscovering species thought to be instinct d. determining which sea creatures live in an area