Subject: science (i know this is listed under biology, sorry) which of the following is most likely an index fossil? a. brachiopod b. trilobite c. sponge d. shell explain why

Which of the following is most important in making the typical seed more resistant to adverse conditions than the typical spore? a) a different type of sporopollenin b) an internal reservoir of liquid water c) integument(s) d) ability to be dispersed e) waxy cuticle

What do nitrifying bacteria convert

In which layer do organisms on earth love?