In zoos, scientists study panda bears and attempt to have them reproduce. They hope to someday release the pandas into the wild. This is an example o

is this for the e2020 class

1. b.

2. d.

3. a.

5. d.

6. c.

these are the only ones that i know, i hope this , and good luck.

answer; both surfaces of the membrane are nonpermeable

for a different answer set the answer would be because the oxygen in the water had depleted (apex)