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2 years ago

Pavlov's dog stopped salivating to the tone when the food was no longer paired with the tone. this is an example of _____.

2 answers:

7 0

Pavlov's dog stopped salivating to the bell when the food was no longer paired with the bell. This is called:

extinction

ale4655 [162]2 years ago

6 0

Answer:

The given situation is an example of extinction in classical conditioning.

Explanation:

Classical conditioning is a learning process in which an unlearned reflex response, called the conditioned response, is induced by pairing a biologically potent stimulus, called unconditioned stimulus, with a originally neutral stimulus, called conditioned stimulus.

If the said conditioned stimulus is repeatedly introduced in the absence of the unconditioned stimulus, then it will not induce the conditioned response. This is known as the extinction of the conditioned response.

In the given example, tone is the conditioned stimulus, food is the unconditioned stimulus and the dog salivating is the conditioned response.

Therefore, the given situation is an example of extinction in classical conditioning.

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what function does the limb serve in each animal? how are the limb bones of the four animals similar? based on these similaritie

slamgirl [31]

Answer:

The humans use this limb to grab things, body language, and sign language.

The dogs use this limb for all kinds of weight-bearing activities like walking, jumping, running et cetera.

Birds use this to fly and whales use it as flapper.

The limbs of all these four animals are the example of homologous organs that is, they all are similar in structure but adapted to perform different functions during the course of evolution.

For example, in all four organisms, the limb is made up of the same set of bones such as humerus, radius, ulna, carpals, metacarpals, and phalanges.

Homology in structure shows that they must have evolved from a common ancestor and diverge to perform different functions as an adaptation to the contrasting environment.

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2 years ago

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Renew an external counter pulsation device, works almost like a second _____, pumping blood througout the body. According to Sir

marusya05 [52]

Answer:

heart, get rid of toxins/flush out toxins

Explanation:

Project Renew:

Project Renew is an ECP (external counter pulsation) brand developed by Innovations Ventures LLC which is owned by Manoj Bhargava, a businessman and philanthropist.
External counter pulsation is a device that pumps blood from the legs to the core body while the heart rests. Therefore, this device acts like an auxiliary heart. It provides the heart a chance to rest, thus, reducing its work load.
The idea behind project renew is not only to aid circulation but to ensure proper excretion of toxins from the blood. An auxiliary circulation system would ultimately lead to a better detoxification system.

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2 years ago

Explain wether a mutation in any cell of an organisms can be passed on to offspring of the organism.under what conditions is a m

astraxan [27]

Mutations can not be passed down to offspring unless the mutation occurs in the sex cells.

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2 years ago

Describe Henrietta Leavitt's discovery, and explain why it was so important in the society in which she lived.

spayn [35]

<h2>Henrietta Discovery </h2>

Henrietta Swan Leavitt discovered cepheids in 1908 during the investigation of different stars in the clouds. She published it by working more on it in 1912 and died in December 1921. This discovery was so important in the society in which she lived because the cosmologist of America was known for this discovery of Cepheids which is a relationship between period, luminosity and quivering stars which changes in light.

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2 years ago

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2. Which of the following best describes the genetic material a person receives from his or her father?

vlada-n [284]

Answer:

22 autsomes and an X or y chromosome

Explanation:

Humans have 46 chromosomes. 23 from the mother and 23 from the father. The father has x and y chromosome. While the mother has two x chromosomes. 22 chromosomes each are given from both parents And the other chromosome (the 23rd) are the chromosomes for sex genes. Autosomes are all chromosomes that are not sex chromosomes. Therefore 22 autosomes are given from each parent. With reference to this questions 22 autsomes and one x or y chromosome will be given from the father.

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2 years ago