Answer:
B. separating strands of DNA
Answer:
True
Explanation:
The formula for density is
p = m/v
density = mass ÷ volume
When oxygen is absent, anaerobic respiration occurs ('an' means without).
In describing the energy transfer of trophic levels, energy is lost as we move up from a lower level to a higher level. This is because energy is used when for example a primary consumer does body processes before it is eaten by another consumer. hence the lowest trophic level belongs to those which <span>2) has the greatest biomass</span>