The function of the part labelled III is to
contract to pull the hair erect
conduct nervous impulses
carry blood and nitrogenous waste
produce oil for the skin
Correct answer is A
No explanation has been provided for this answer.
The sweat gland is the structure labelled
I
II
III
IV
Correct answer is D
No explanation has been provided for this answer.
The two keys cation involved in the action potential of nervous transmissions are
Na+ an Fe2+
Mg2+ and K+
Na+ and K+
Fe2+ and Mg2+
Correct answer is C
No explanation has been provided for this answer.
| Ecological Zone | Temperature (oC) | Rainfall (mm) |
| I | 45 | 300 |
| II | 32 | 2000 |
| III | 30 | 2200 |
| IV | 15 | 800 |
From the table above which of the zones is likely to be desert?
I
II
III
IV
Correct answer is A
No explanation has been provided for this answer.
|
Ecological Zone |
Temperature (ºC) |
Rainfall (mm) |
|
I |
45 | 300 |
| II | 32 | 2000 |
| III | 30 | 2200 |
| IV | 15 | 800 |
From the table above high relative humidity will be expected in zones
I and III
I and IV
II and III
II and IV
Correct answer is C
No explanation has been provided for this answer.
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