Answer:
A pure culture consists of only one type of microbe while a mixed culture has two or more than two microbes.
Explanation:
A pure culture consists of only one type of microbe.
While a mixed culture consists of more than one type of microbes. such cultures may comprise of different species of bacteria or a group of bacteria, viruses and other pathogens.
In mixed culture the microbe species living together may harm each other existence.
C. the crust and upper mantle
The answer is B.The respiratory system supplies the oxygen that the cardiovascular system transports to the different cells for the production of energy.
Answer:
The natural resource distribution depends on many physical factors such as land, atmosphere, and altitude. Asset distribution is unequal because these factors differ on this planet from place to place.
Answer:
Competition for resources like food and space cause the growth rate to stop increasing, so the population levels off. ... The carrying capacity (K) is the maximum population size that can be supported in a particular area without destroying the habitat. Limiting factors determine the carrying capacity of a population. Population Growth Limits | CK-12 Foundation
