Answer:
Biologists measure the number of trophic levels in an ecosystem so as to check its stability and health.
Explanation:
Trophic levels are the feeding position in a food chain such as primary producers, consumers, etc. They are positions that an organisms occupies in a food chain (series of steps in which organisms transfer energy by eating or being eaten);- what it eats and what eats it.
Theoretically there is no any limit to the number of trophic levels in a food chain or number of organisms that live on each level.
Answer:
Kidney disorder is responsible for the disturbance occur in the balance of the body because kidney release certain harmones which are necessary for normal growth.
Explanation: There are three harmones releases by kidney i. e. erythropoietin, calcitriol, and renin. Erythropoietin is released by kidney when oxygen level is low in the tissue. It also controls the production of red blood cells. Calcitriol harmone controls the concentration of phosphorous and calcium in the blood. Renin is responsible for the increase in blood pressure when it is needed. So if the disorder of kidney occurs, imbalance occurs in the body.
The gaps (approximately 1 micrometer wide) formed between myelin sheath cells long the axons are called Nodes of Ranvier. Since fat serves as a good insulator, the myelin sheaths speed the rate of transmission of an electrical impulse along the axon.
Body fossils include bones, teeth, claws and skin. Therefore the answer would be A, imprints.
in Freudian theory, reproduction is an example of an eros instinct.
<h3>What is Eros for Freud?</h3>
In Freudian psychology, eros, not to be confused with libido, is not exclusively sexual desire, but our vital force, the will to live. It is the desire to create life and favors productivity and construction. In early psychoanalytic writings, eros instincts were opposed by ego forces.
With this information, we can conclude that in Freudian theory, reproduction is an example of an eros instinct.
Learn more about eros instinct in brainly.com/question/27586288
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