Answer:
Ectotherms warm their bodies by absorbing heat from the surrounding environment, whereas Endotherms produce heat by their metabolic activities. • Ectotherms have large variations in normal body temperatures while endotherms maintain their body temperature in a fairly constant value
Explanation:
The speed of light in a vacuum is <span>299,792,458 meters/sec, or approximately 300,000 meters/second.
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Answer:
Resistance bacteria survive in greater numbers and pass the trait to their offspring
Explanation:
Antibiotics are chemicals which are used in the treatment of bacterial infections. The bacteria sometimes have some form of immunity or resistance to a particular antibiotic due to a host of underlying factors.
Once resistance appears in a bacterial population, it spreads rapidly. The trait of immunity or resistance to such antibiotic is then passed as a trait from one generation to another.
Answer:
When literacy rates goes up then crude birth rates will automatically be decline
Explanation:
Crude birth rate refers to the number of births /1000 in a population. It doesn’t count the age and sex in a population.
General fertility corresponds to number birth of a women age between 15- 49 in a year.
Factors Affecting fertility Rates: Healthcare,Education
Healthcare: Improvement in healthcare leads to drop infant mortality rate , knowledge of birth control measures and economic status have an impact on birth rates.
Education: Female literacy rate and knowledge of birth control and employment opportunities also decline crude birth rate.
