population growth rate may be define as the
mortality rate per unit area over a period
number of times an organism occurs with a given period
number of particular species per units area
net rate of mortality rate per unit area over a period
Correct answer is D
No explanation has been provided for this answer.
Tropical rain forest can be conserved by the following practices except
agroforestry
deforestation
shifting
crop rotation
Correct answer is B
No explanation has been provided for this answer.
I`n a food chain, the position occupied by an organism is called
the tropic level
energy level
the feeding level
the habitat level
Correct answer is A
No explanation has been provided for this answer.
west Africa is located between latitudes-----------and --------------of the equator
40 N and 200 N
30 N and 150 N
20 N and 100 N
100 N and 150 N
Correct answer is A
No explanation has been provided for this answer.
The axis of the earth is inclined at plane of the ecliptic at angle of
66°
23°
90°
180°
Correct answer is A
No explanation has been provided for this answer.