The excretory organ of earthworms is known as
...The excretory organ of earthworms is known as
contractile vacuole
flame cell
malphigian tubule
nephridium
kidney
Correct answer is D
No explanation has been provided for this answer.
The structural similarities in Paramecium and Euglena are in the ...
one of the adaptation of life on trees by a monkey is its possession of digits which are ...
Secondary succession is much faster than primary succession because ...
Items 1-4 can be regarded as ...
Which of the following is the function of the mammalian iris? ...
These groups of bacteria are harmless EXCEPT ...
In million's test, when the reagent is added to a protein food item, a white precipitate is prod...