What are the top spaces in the heart?

On average what proportion of the energy in an ecosystem is transferred from one trophic level to the next? where does the rest of the energy go?

Explain one advantage to scientific naming over common names.

Which of the following abiotic factors would likely affect humans directly? Question 2 options: water availability soil pH humidity climate change

Explain the nondisjunction event that would cause a numer or Klinefelter syndrome inclividual.

Explain what causes seasons?

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