Which of these factors least affects population size?
Availability of food
Disease
Immigration
Rate of reproduction
Variation
Correct answer is E
No explanation has been provided for this answer.
Crime detection in a forensic laboratory involves the use of
blood transfusion
blood analysis
fingerprints
genetic combination
tongue rolling ability
Correct answer is C
No explanation has been provided for this answer.
During fertilization, the direction in which the pollen tube grows is controlled by
Ovary
ovule
pollen grains
pollen tube nucleus
style
Correct answer is D
No explanation has been provided for this answer.
The following are functions of the liver EXCEPT
deamination of excess amino acids and proteins
excretion of bile pigments
manufacture of blood plasma
production of heat
storage of vitamins and minerals
Correct answer is C
No explanation has been provided for this answer.
Which of these organisms exists as a filament?
Diatom
Euglena
Paramecium
Spirogyra
Volvox
Correct answer is D
No explanation has been provided for this answer.