Answer:
the number of people in a town has increased by 25% in the past 5 years.
Explanation:
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Assessment for surfactant level via lecithin/sphingomyelin (L/S) ratio in the amniotic fluid is a direct estimation of fetal maturity. The purpose of surfactant is to prevent the collapsing of the alveoli during expiration.
<h3>Lecithin Sphingomyelin Ratio</h3>
- Clinicians can evaluate fetal lung development using a number of techniques, including the Lecithin-to-Sphingomyelin Ratio (L/S ratio).
- Amniocentesis was used to obtain a sample of amniotic fluid for this biochemical test, which was first developed in the 1970s and used to assess the likelihood that the newborn will experience respiratory distress syndrome (RDS).
- The maturation of the pulmonary system advances with growing gestational age as fetal lung development happens gradually.
- Alveoli don't collapse during expiration thanks to the surfactant's impact. Phospholipids, proteins, and lipids are all components of the surfactant.
- The phospholipids' chemical makeup is significant. One phospholipid in mature surfactant is phosphatidylcholine, also known as lecithin.
To learn more about Lecithin refer to:
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<span>Your body stores energy as glycogen in muscle tissue and the liver. This glycogen is stored glucose(a carbohydrate).</span>
Answer: b. primary consumers
Food chain is a linear sequence of transfer of food and energy when one organism is consumed by the other organism. The food chain exhibit different trophic levels based upon the type of organism and type of food it obtains. In the producer level there are plants which produces their own food. These plants are consumed by the herbivores called as primary consumers. These herbivores are consumed by higher organisms for example, rat is consumed by snake. The secondary consumers are carnivores. These secondary consumers are consumed by other higher consumers such as tertiary consumers.
The rabbit is an herbivorous animal which feeds upon grass, and vegetables. Therefore, it belongs to the primary consumer level of the food chain.
Answer:
parasitism, predation, mutualism
Explanation:
