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Alex17521 [72]
3 years ago
13

Define the 3 main mechanisms in a “feedback loop”. (the names and what each does)

Biology
1 answer:
viktelen [127]3 years ago
7 0

Explanation:

A feedback loop involves:

  1. a receptor
  2. control center
  3. an effector

The endocrine system involves chemical signalling via the secretion of molecules called hormones into extracellular fluid. They bind to chemical receptors in order to cause specific changes in target cells, these lead to changes in the body's internal environment called homeostasis. It includes the thyroid, parathyroid, pituitary, pineal and adrenal glands along with other regions. The bone, adipose tissue, heart, pancreas and liver are a few of the regions of the body which show endocrine function. The brain, or control center functions to receive and process the information from the receptor. Effectors receive the control center's command and illicits a response in the form of a feedback loop, that may oppose or enhance the stimulus.

Further Explanation:

During homeostasis the body maintains a constant internal balance in pH, temperature, blood pressure etc. Cells in a multicellular organism become specialized for particular tasks and communicate with one another in order to maintain homeostasis. Within the human body these are known as hormone cascades, where several complex steps occur- the tissues signal to one another with the use of hormones released by the endocrine system. For instance, the regulation (increase and decrease) of these secretions is achieved by negative feedback loops, where the release of certain substances during a cascade in turn halts the secretion of hormones at earlier stages.

Learn more about tissue types at brainly.com/question/8487952

Learn more about homeostasis at brainly.com/question/1601808

#LearnWithBrainly

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3 years ago
Cultural traits are transmitted horizontally and vertically through learning. which of the examples below shows the horizontal t
hram777 [196]

Answer;

-A teenager teaches her brother how to text (same generation).

Explanation;

-Cultural trait is a characteristic of human action that's acquired by people socially and transmitted via various modes of communication.Culture is the integrated pattern of human knowledge, belief and behavior. Every society has its own particular culture.

-Vertical transmission occurs from parents to offspring and is a function which shows that the probability that parents of specific types give rise to an offspring of their own or of another type. Horizontal transmission is cultural transmission taking place among peers in a given population.


6 0
3 years ago
If all living things are related then where did all their differences come from?
stiks02 [169]

Answer:

<em>Hox </em>Gene

Explanation:

First, you're question is very vital, there are many ways in classifying along with identifying all living organisms that includes; morphological analysis, molecular systematics (studying the similarities and differences of the genetic data such in the sequences of DNA, RNA, and rRNA ), homology, cladistics, etc. based on phylogenetic tree, which the study of the evolutionary among various species.

But through it said that all living organisms shared one common ancestor. However, what makes them different from one to another is the homeotic genes that called <em>Hox </em>Genes; which specify the fate of a particular segment or region of the body, meaning the number and arrangements of the<em> Hox</em> genes varies considerably among different types of animals.

For instance, Sponges have at least one homologous to<em> Hox</em> genes, also insects have nine or more <em>Hox </em>genes resulting in multiple <em>Hox </em>genes occur in a cluster in which the genes are close to each other along a chromosome. Therefore, increases in the number of<em> Hox</em> genes have been instrumental in the evolution of many animals species with greater complexity in body structure.

Overall, more <em>Hox</em> genes, more complexity in body structure resulting in the differences of their morphological structure.

Hope that answered your question!

7 0
3 years ago
"Bottom-up" (or "data-driven") mechanisms are Group of answer choices
lukranit [14]

Answer: A. mechanisms for which activity is primarily triggered and shaped by the incoming stimulus information.

Explanation:

Bottom-up mechanism is a process in which a body perceives an incoming stimulus and certain physiological changes occurs in the body working in the direction of upwards that is the signals are transferred to the brain so that the brain could interpret the stimulus. This mechanism suggests the fact that our perceptual experience is based upon the sensory stimuli.

4 0
4 years ago
4. Which is an example of mechanical weathering?
belka [17]
I would say A or C I’m not sure but if I had to choose A or C my best guess would be A


I hope this helps :)
7 0
3 years ago
Read 2 more answers
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