Which of the following statements is true? the hypothalamus links the nervous system to the endocrine system. positive feedback occurs when the output of a system is reduced or stopped. negative feedback describes an undesired homeostatic response. sweating is an example of positive feedback.

Which of the following statements is true?

B) Positive feedback occurs when the output of a system is reduced or stopped.

C) Negative feedback describes an undesired homeostatic response.

D) Sweating is an example of positive feedback.

the nitrogen cycle provides nitrogen to the ecosystem from the atmosphere, ground and oceans. nitrogen is an important component of complex molecules such as amino acids and nucleotides, which lead to the creation of proteins and dna, the building blocks of all life. plants absorb nitrogen in the form of ammonium, nitrate ion and, on rare occasions, as amino acids. animals receive nitrogen necessary for biological processes from feeding on living or dead organic matter.

condenser is used to focus in the light microscope.