The birds that were eating at the bird feeder initially flew away when the shadow of Charlie’s kite passed over the feeder. However, after Charlie had been flying the kite for 15 minutes, the birds had all returned and didn’t stop feeding when the kite passed overhead. The birds’ change in responsiveness illustrates the learning process known as:

a. sensitization
b. habituation
c. second-order conditioning
d. negative reinforcement

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.

Explain how organisms could be harmed by high levels of salt from roadways?

What are characteristics of minerals? select 3 choices