Answer:
primary succession takes longer
Explanation:
Primary succession is built from the ground up, whereas secondary succession is built from an already existing civilization.
Answer:
Option (D).
Explanation:
Dolly was the first sheep cloned in the year 1997. The sheep has been cloned from the adult somatic cells. The sheep was cloned by Keith Campbell, Ian Wilmut.
The adult's cell nucleus was fused with the enucleated sheep egg. The egg was then incubated in the surrogate female. The telomeres of Dolly sheep was found to be shorter than the normal individuals.
Thus, the correct answer is option (D).
A and b are cells so they definitely are not bacterium so c and d are bacterium I think. Your welcom.
The answer to yur question is true