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lbvjy [14]
4 years ago
11

In order to perceive a stimulus, that stimulus has to meet or exceed the ________________ threshold; in order to detect a change

in that stimulus, the stimulus has to meet or exceed the _________________________ threshold. Group of answer choices
Biology
1 answer:
Harman [31]4 years ago
5 0

Answer:

In order to perceive a stimulus, that stimulus has to meet or exceed the absolute threshold; in order to detect a change in that stimulus, the stimulus has to meet or exceed the differential threshold.

Explanation:

The absolute threshold is the minimum intensity of energy that is required to cause a sensation in a person, that is, the minimum or maximum maginitude that a stimulus must have in order to be captured. The absolute threshold defines our perceptual limits and varies depending on the individual. The differential threshold (Just Noticeable Difference, JND) refers to the minimum intensity at which a stimulus must be increased so that we notice a change in that stimulus, that is, it's the increase that is necessary in the intensity of the stimulus so that the person perceives a modification of the same.

Weber's law states that the stronger the initial stimulus, the greater is the additional intensity necessary for the second stimulus to be perceived as different.

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Which correctly list three places that freshwater is found?
Korolek [52]

Answer:

C

Explanation:

There are two kinds of water, fresh and salt water. Salt water is found in the ocean, which means that any answer with salt water, or the ocean, in it is not a correct source of freshwater. A, B, and D, all include the ocean as their answer, which means that they all include salt water, so C is the only option left. Lakes, rivers, water vapor, and ice sheets are all examples of sources of freshwater. I hope your sister gets a good grade!

7 0
3 years ago
Read 2 more answers
Drag each tile to the correct location.
Ivahew [28]

Answer:

Mitosis and meiosis are similar at the level of writing, and possess a very close mechanism; however, they do not achieve the same result!

Mitosis corresponds to a single "asexual" cell division of somatic cells (almost all cells in the body), and clones two daughter cells from a mother cell, which will be identical, and inherit exactly the same heritage genetic, indeed these two daughter cells will each have an identical karyotype (same chromosomes) and an identical genotype (same alleles) to that of the mother cell.

Meiosis corresponds to two successive "sexual" cell divisions affecting only germ cells; starting from a diploid cell (chromosomes present in pairs), meiosis leads to the formation of four gametes (haploid sexual cells, spermatozoa or oocytes) (a single copy of the chromosomes). Then, during fertilization, two gametes (each from meiosis, in the male and female) come together to form a zygote, in which diploidy will be restored.

The right answers are:

create two identical cells ==> mitosis

create four non-identical cells ==> meiosis

create haploid cells ==> meiosis

creates diploid cells ==> mitosis

occurs in all cels other tha gametes ==> mitosis

occurs in all cells related to sexual reproduction ==> meiosis

Read more on Brainly.com - brainly.com/question/10606970#readmore

Explanation:

5 0
4 years ago
Pesticides are used on crops to prevent the crops from being eaten by pests such as insects. The chemicals in the pesticides kil
Yuliya22 [10]

Answer:

<em>The correct option is A) The chemicals in the pesticides could run off into water sources and contaminate them, which would kill many aquatic species.</em>

Explanation:

Although pesticides can be helpful in eliminating the pests which thrive on crop plants, yet the usage of pesticides can be harmful in a number of ways. Increase in the usage of pesticides can be harmful for humans when they utilize food from such crops which is loaded with pesticides. Also, increased usage of pesticides causes the pesticides to run off in nearby rivers and lakes due to conditions such as a flood. The toxic pesticides kills the aquatic life present in that lake or river.

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4 years ago
In this lab, you will go on a virtual fishing trip,
777dan777 [17]

Answer:

How does a dichotomous key help you identify unknown specimens based on their traits?

Explanation:

see pic for edg

3 0
3 years ago
Which of the following statements best describes the major difference between anaphase of mitosis and anaphase I of meiosis?
Katena32 [7]
The correct answer of the question above is the first statement. In anaphase I, homologous pairs are separated but sister chromatids stay joined together. It is <span>best statement that describes the major difference between anaphase of mitosis and anaphase I of meiosis.</span>
8 0
3 years ago
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