<u>Answer:</u>
<em>Paul Ehrlich brought to focus the problem of environmental Pollution and the Climate change, the argument that is responsible for the world’s environmental problems.</em>
<u>Explanation:</u>
<em>Paul Ehrlich</em> stated that we are unprepared to face the effects of the environmental problems. The environmental problem has arisen due to the over consumption of the<em> resources according to Ehrlich. </em>
According to him we have already released enough <em>amount of poisonous substances</em> in the environment which affects our human tissue in a bad way. Ehrlich states that fate of humanity is going to collapse if the activities of <em>exploitation of environment</em> is left unchecked.
What are the options to choose the answer from?
Answer:
Genes
Explanation:
While every Zebra has different stripes Genes play a role with it I’m pretty sure
<span>The role of the negative feedback loop is,
that the output is being reduced so that the body can maintain homeostasis.
The negative feedback loop is a homeostatic control mechanism through which levels of hormones are maintained within a narrow range by feeding the product back to decrease its production.</span>
Answer:
The cause of respiratory distress syndrome in premature infants is <u>lack of surfactant in the lungs because the lungs has not fully developed.</u>
Explanation:
Respiratory distress syndrome is a type of neonatal disease of respiration caused by the lack of surfactant production by the lungs.
Normally the lungs of fetus start the formation of surfactant during the third trimester of pregnancy (26 weeks through labour and delivery ). The surfactant is produced by type II alveolar cells and is the lipoprotien complex that has surface tension lowering effect (surface active agent ) having both hydrophobic and hydrophilic properties thus coats the air sacs and alveoli.
In the premature infants, the lungs are not fully developed hence the adequate amount of surfactant is missing thus resulting in Respiratory distress syndrome.