The correct answer is HPA axis.
The Hypothalamic-Pituitary-Adrenal (HPA) axis is one of the most important neuroendocrine systems, which regulates the stress response and other functions such as the digestion, mood, emotions and the immune system.
The hypothalamus, when triggered by a possible stressor, releases two hormones; the vasopressin and the corticotropin-releasing hormone (CRH). CRH, in turn, triggers the release of the adrenocorticotropin hormone (ACTH) from the pituitary gland. As a result of the secretion of ACTH, cortisol is secreted by the adrenal cortex.
Cortisol is a steroid hormone, considered to be our body's stress hormone.
Answer:
Some of the energy is used by decomposers, and some of the energy is released into the environment as heat.
The producer intakes energy from the sun and 10 % of energy is passed on to tropic level I, and similarly at each tropic level 10% of the energy is passed on and the decomposer are at the last tropic level. Thus they also receive 10% of energy and rest all is released into the energy.
Explanation:
D) Blue Jays and Finches nest in the same Oak Trees.
Explanation:
This is an example of competition because two species are for the same thing, in this case, oak trees to nest in.
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