Its because a long spine cacti can reproduce more because it has more survival capacity than the short spine cacti and because of this reason the short spine cacti cannot protect it self because it has a shorter spine that could protect itself from danger.
Answer:
C
Explanation:
A DNA is made up of proteins which was synthesized by ribosomes of the cell to produce mRNA and then these mRNA and used to catalyse the DNA production. DNA of a cell in the nucleus is the programmed individuality that controls, manages and organizes the entire cell to function and initiate celluar activities.
Boiling the broth in both flasks ensured that any pre-existing organisms such as bacteria were killed.
Had the broths not been boiled, both the flasks would have had bacterial growths in them, making the experiment inconclusive. This removal of pre-existing organisms when conducting investigations is still carried out, such as when creating a colony of bacteria on a petri dish or preparing a batch of alcohol through fermentation.
Heterotrophs :) I'm pretty sure