Question

I will award MEDALS!!! I just need to CHECK NOT ANSWER.


Many freshwater invertebrates eliminate ammonia by
A) converting it to uric acid and eliminating it with solid wastes.
B) simple diffusion across the gill membranes.
C) converting it to urea and eliminating it in their urine.
D) simple diffusion across the skin.

I said B. What do you think is right?

Answer 1

a

Answer 2

no b

Answer 3

its b

Answer 4

i win

Answer 5

But why do you say it's B. I said it's B, but I still want your reasoning.

Answer 6

Many invertebrates such as flatworms use a nephridium as their excretory organ. At the end of each blind tubule of the nephridium is a ciliated flame cell. As fluid passes down the tubule, solutes are reabsorbed and returned to the body fluids.

Answer 7

bam

Answer 8

Small aquatic organisms are able to get rid of wastes by simple diffusion across membranes.Animals with circulatory systems rely on kidneys to filter wastes out of the blood and eliminate them from the body. (The answer is B you are correct) good job:))

Answer 9

thanks

Answer 10

close this question

Answer 11

@drbgonzal can I give you another medal?

Answer 12

Can I ask you another question?

Answer 13

Ok @ me and open another question

Answer 14

Which of the following excretory processes do saltwater and freshwater fish share?
A) They both conserve water by producing small amounts of concentrated urine.
B) They both actively pump salt across their gills.
C) They both avoid drinking water.
D) They both produce lots of watery urine.

I said D, but tell me what you think the right answer is.

Answer 15

its probably D because the others really don't make sense. a) and c) are retarded and for B, fish don't make salt in freshwater, plus itd be inefficient to lose that much salt

Answer 16

cuz its real soluble in water