What is an onion bulb's level of organization?
tissue
organ
systemic
organismal
Correct answer is B
An onion bulb is an example of a plant organ.
Which of the following is a major cause of variation among organisms?
Inbreeding
Backcrossing
Sexual reproduction
Gene dominance
Correct answer is D
No explanation has been provided for this answer.
Which of the following is the most advanced evolutionary development in plants?
possession of unicellular structures
development of flowers
dispersal of spores
development of secondary thickening
Correct answer is B
No explanation has been provided for this answer.
The abilty of a chameleon to change its colour is an adaptive feature for
attraction
defence
display
attack
Correct answer is B
No explanation has been provided for this answer.
A major adaptive feature of endoparasites is the
loss of the organ of movement
presence of claws
loss of the central nervous system
presence of piercing mouthparts
Correct answer is A
No explanation has been provided for this answer.