If a person sleeps for 8 hours in one night, then about how many times do they cycle through the stages of sleep?

A. 10 times

B. 8 times

C. 5 ½ times

D. 6 ½ times

What are the four factors that affect how fast weathering happens?

How can carrying capacity in the ocean be best described?

Two plant species live in the same biome but on different continents. Although the two species are not at all closely related, they may appear quite similar as a result of. 1. Parlall evolution 2. convergent evolution 3. allopratic speciation 4.

Cell division is necessary for an organism to

According to the law of conservation of matter, matter is never created or destroyed. It only changes form as is evident in the water cycle.

Which choice below best shows various types of genetic material in order from simplest to most complex? a. chromosome, gene, genome b. gene, genome, chromosome c. genome, gene, chromosome d. gene, chromosome, genome?

Problems the vegetable vendors face in their job

Which statement best describes why electrons are typically not included when determining the mass of an atom? The charge of a proton cancels the charge of an electron. The protons and neutrons are much more massive than the electrons.

What did the evidence that Darwin collected during his voyage on the HMS Beagle allow him to accomplish? A. to propose the theory of artificial selection B. to propose the theory of evolution by natural selection C.

List four types of evidence used to organize organisms in systematic taxonomy