Why are frogs absent on the galagos and other oceanic islands?

What is microevolution?

DNA and RNA are both nucleic acids made up of nucleotides. Which is NOT a difference between DNA and RNA? A) The sugar in RNA is ribose. B) Only DNA is double-stranded. C) Both DNA and RNA have sugar-phosphate backbone.

It is been proposed the mitochondria and chloroplasts are modern descendants of early prokaryotic cells that begin to reside and gradually evolved within primitive cells. Which statement supports this view?

Waves of force that travel through Earth as a result of an earthquake are called compression waves tectonic waves seismic waves boundary waves

Which is a highly infectious bacterial disease of the lungs?

What effect would there be on the final daughter cell if the spindle fibers failed to pull a chromosome toward the pole, as in case of non-Disjunction?

We summarize natural selection as "survival fittest". what factor "selects" the fittest organisms in natural selection?

Hypothesis may arise from what

What kind of dna replication error will result in changing an amino acid codon to a stop codon?

Which insulates various internal organs from the stresses of body-wall movement and bathes them in a liquid through which nutrients and waste products can diffuse?