Why is the energy transfer between trophic levels not even close to 100% efficient

You have been tracking a population of birds in the jungle and over several generations observed the following genotype frequencies for a given locus, B : 12% BB, 28% Bb, and 60% bb.

A trait has two alleles, and their frequencies are represented by p and q. If p = 0.68, what is q

The law of universal gravitation A. Produces stars and planets B. Produces stars but not planets C. Produces planets but not stars D. Cannot produce stars or planets

Suppose that RNA polymerase was transcribing a eukaryotic gene with several introns. In what order would the RNA polymerase encounter the following elements in the DNA sequence of the gene?

How is it possible for two individuals to have the same phenotype but different genotypes for a trait?

Which of the filling is a bacterial disease? a) flu b) cholera c) measles d) common cold

A measurement of a star's brightness is called

You are operating a powerboat at night. Your red sidelight must be visible to boats approaching from which direction (s) ? head-on only head-on and both sides head-on and behind head-on and port (left)

A graduate student finds an organism in a pond and thinks it is a freshwater sponge. a postdoctoral student thinks it looks more like an aquatic fungus. how can they decide whether it is an animal or a fungus?

i need the memorize the order of the metric system but i dotn know the sentence ... im pretty sure its king henry something thats all i know can you tell me the rest