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Why do the cells have so many different organelles and structures?
What are the main differences between cell walls and cell membranes?
Answer:their function
Explanation:
The amoeba excretes waste through _________ while a sparrow excretes waste through __________.
Answer:
The amoeba excretes waste through Contractile Vacuole while a sparrow excretes waste through Cloaca.
Explanation:
In some unicellular eukaryotic organisms (e.g., amoeba), cellular wastes, such as ammonia and excess water, are excreted by exocytosis as the contractile vacuoles merge with the cell membrane, expelling wastes into the environment.
Birds, unlike mammals, do not have separate exits for urine and feces. Both waste products are eliminated simultaneously through the cloaca. While mammals excrete nitrogenous wastes mostly in the form of urea, birds convert it to uric acid or guanine, which reduces water loss in comparison.
Δ A boy of 12 years does not take bath regularly and does not use a personal towel after shower. Recently dandruff has increased in his head. He is attacked by scabies. He uses an ointment. He has bought it from a street hawker. The boy is suffering from the problem of
Which list places the layers of the sun in the correct order from outermost to innermost?
Corona, chromosphere, photosphere
Photosphere, radiative zone, convective zone
Convective, chromosphere, corona
Radiative zone, corona, convective zone
Answer:
photosphere,radiative zone, convective zone (2)
Answer:Photosphere, convective zone, radiative zone
Explanation: i got it rii on the test i promise