Wich statement is true?

A) most stars are main sequence

B) very few stars are main sequence stars

C) no stars have made it to the main sequence

D) all stars have made it to the main sequence

Carolyn suffers from the excessive secretion of insulin in the bloodstream. the medical term for this condition is

What are the hormones responsible for both male and female characteristics?

Which is the main function of fruit? To protect the seed and aid in its dispersal To protect the flower and aid in pollination To protect the seed and aid in germination

Hydrogen sulfide A. is produced when sulfur compounds are used as terminal electron acceptors. B. may react with iron to produce a black precipitate. C. is produced by Desulfovibrio. D. has a rotten egg smell. E. All of the choices are correct.

Which natural disaster actually increases biodiversity over the long term?

Plant and animal cells are different because * Plant cells do not have a nucleus or mitochondria Animal cells do not have DNA or ribosomes Plant cells do not have a cell membrane Animal cells do not have a cell wall or chloroplasts

Does one molecule of atp contain more energy than one molecule of glucose

Which types of organisms are most vulnerable to overfishing, and why? A. Small fish that live a short time and reproduce quickly, since their population numbers are always highest. B.

Which comes first: embryonic development or fetal development?

True or false: During meiosis, two rounds of DNA synthesis are required to form four gametes from one parent cell.