44.3 excretory systems of organisms Flashcards
1
Q
flatworm system
A
protonephridia - mostly for osmoregulatoin -but can also be for disposal of nitrogenous waste
2
Q
protonephiridia
A
a network of tubules connected to external openings branching throughout the body -with flame bulb caps -and tufts of cilia p961
3
Q
annelids - earthworms have
A
metanephridia
4
Q
metanephridia
A
excretory organs that open internally to the coelum
5
Q
metanephridia in earthworms
A
each segment has a pair of them -excretory and osmoregulation functions -
6
Q
insects and terrestrial arthropods
A
malpighian tubules
7
Q
how do malpighan tubules filtrate
A
epithelial cells secrete certain solutes from the hemolymph to the tubules
8
Q
pro of malpighan tubules
A
able to conserve water really well
9
Q
vertebrates have
A
kidneys
