1. look at the illustration in the figure. which of the following internal characteristics would you expect to this animal to have?

a) a psuedocoleom
b) paired organs
c) radial symmetry
d) a notochord

2. present day animals that belong to the earliest group of primates that evolved include
a) new world monkeys, which live almost entirely in trees
b) the tarsiers, which have a broad face
c) the lemurs, which are nocturnal and have large eyes
d) hominoids, which evolved in africa and asia

The body is protected against harmful flu viruses by

The endoplasmic reticulum (er) is an organelle in some cells. in these cells, it is continuous with the nuclear membrane and forms a large part of the cell\'s total membrane. sort the phrases below as describing rough er, smooth er, both, or neither. note: if you answer any part of this question incorrectly, a single red x will appear indicating that one or more of the phrases are sorted incorrectly.1) found in prokaryites and uekaryotys2) involved in protein synthesis3) involve in lipid synthesis4) contains molecular chaperones in lumen5) bound with ribosomes6) involved in toxin or drug metabolism7) large systemot internnected tubules,vesicles, and sacs8) "packages" enzymes in vesicles for secretion.

It is believed that europa, one of jupiter’s moons has an ocean beneath its surface. based on how earth’s oceans and atmosphere are believed to have formed, what can be said about europa’s supposed ocean? the arrival of in the early days of europa’s existence could have formed its ocean. it is likely that the water experienced , similar to earth. it is also possible that this water is retained beneath europa’s surface and in its atmosphere due to europa’s .