Answer:
21 minutes or 0.35 hours
Explanation:
The formula for exponential population growth is

where
initial population of E.coli i.e 100
k is the rate of population growth i.e 2 as the population doubles
t is the time period i.e 20 minutes
Substituting the given values in above equation, we get -

Generation time
minutes
or 0.35 hours
Answer:
Almost twice
Explanation:
Human being have estimate 24,000 genes, while fruit flies have an estimate of 14,000 genes: meaning it is almost twice
Answer:
c) matter in an ecosystem flows in one direction and is never reused.
Explanation:
A is true
The option B is correct..