What does this duplex uterus allow the animal to do? A. Allow for a single embryo
B. Allow for urine passage
C. Allow for blood flow
D. Allow for multiple embryos
(In contrast, a simple uterus, like the kind has a single chamber for the development of a single embryo)​

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.

When analyzing tree rings, what do scientists assume a thin ring indicates?

What percentage of light hits earth's surface directly?