Which is an example of how the cell membrane of a tube worm maintains a stable environment?
O A. It communicates with other cell membranes.
OB. It prevents salt from flowing in.
O c. It allows the temperature to change quickly.
OD. It allows large molecules to enter.

Indicate whether the following statements about the biases in the fossil record are true or false. a) inland species are more likely to be preserved than marine species b) organisms with hard body parts are more likely to be preserved than are those composed soft tissues. c) species that existed over a larger area are more likely to be preserved than species existing over a smaller area. d) organisms that lived very long ago are more likely to be found as fossils than organisms that lived relatively recently e) the fossils of larger organisms are more likely to be found than the fossils of smaller organisms

Does mitochondria still meet the definition of a eukaryote why or why not?

If two parents who's blood types are both b produce a child that has blood type o, what can you say about the parent's genotybes? oa) one is ii ob) one is ibi oc) both are bi od) nothing, this is impossible