Which sea is referred to as an oceanic desert?
A. Red Sea
B. Sargasso Sea
C. Arabian Sea
D. Sea of Japan
Continue reading “Which sea is referred to as an oceanic desert?”
Author: Aroma Ann
An example of an abiotic component is __________?
A. Plants
B. Soil
C. Animals
D. Bacteria
Continue reading “An example of an abiotic component is __________?”
__________ ecosystems are maintained artificially by man.
A. Man-made
B. Marine
C. Artificial
D. Brackish
Continue reading “__________ ecosystems are maintained artificially by man.”
What is the cause of the Exxon Valdez?
A. Oil Tanker which sank in 1989 along the coast of Alaska and marine life seriously affected.
B. a plane which crashed and caused death of human life
C. a ship which wrecked on the coast of India
D. none of these.
The species that flower are called __________?
A. gymnosperms
B. bryophytes
C. angiosperms
D. algae
Continue reading “The species that flower are called __________?”
When clouds are viewed near the horizon, the individual cloud elements usually __________?
A. Appear closer together than is actually the case
B. Appear farther apart than is actually the case
C. Appear lighter in color than is actually the case
D. Appear to have more vertical development than is actually the case
The blueness of the sky is mainly due to __________?
A. The scattering of sunlight by air molecules
B. The presence of water vapor
C. Absorption of blue light by the air
D. Emission of blue light by the atmosphere
Continue reading “The blueness of the sky is mainly due to __________?”
In calm air the air temperature is -10o C, if the wind speed should increase to 30 knots (with no change in air temperature) the thermometer would indicate __________?
A. A much higher temperature than -10o C
B. A much lower temperature than -10o C
C. A temperature of -10o C
D. A temperature of -30o C
Pencillium does not swallow the growth of bacterium Staphylococcus. This sort of relationship is called __________?
A. commensalism
B. predation
C. amensalism
D. mutualism
The gradual physiological adjustment to slowly changing new environmental conditions is known as ___________?
A. Selection
B. Introduction
C. Acclimatization
D. Quarantine
