The excretory structure in the earthworm is the
malphighian tubule
flame cell
nephridium
kidney
Correct answer is C
Nephridia remove metabolic wastes from an animal's body. Nephridia come in two basic categories: metanephridia and protonephridia.
Use the diagram to answer the question
i
ii
iii
iv
Correct answer is B
No explanation has been provided for this answer.
The relationship between a termite and the protozoam in its intestine is described as
predation
saproplytism
symbiosis
parasitism
Correct answer is C
No explanation has been provided for this answer.
In the nitrogen cycle, the nitrates in the soil are converted to atmospheric nitrogen by
puterfying bacteria
nitrogen-fixing bacteria
nitrifying bacteria
denitrifying bacteria
Correct answer is D
No explanation has been provided for this answer.
The adaptive importance of the nuptial flight from termite colonies is to
ensure cross-breeding between members of one colony and another
disperse the reproductives in order to establish new colonies
provide abundant food for birds and other animals during the early rains
expel the reproductives so as to provide enough food for other members
Correct answer is B
No explanation has been provided for this answer.