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3 years ago

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If Pavlov repeatedly presented the conditioned stimulus, the metronome, without the unconditioned stimulus, the food, the dogs w

ould stop salivating to the sound of the metronome. In classical conditioning, this process is called _________.

1 answer:

Olegator [25]3 years ago

8 0

Answer:

joe

Explanation:

cause it is what it is

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PLEASE HELP!!!!!

Irina-Kira [14]

Answer:

A. meiosis

Explanation:

Meiosis is an asexual reproduction conducted by gametes to form four new, haploid cells.
It is important to ensure When fertilization occured, it form a zygote with diploid cells.

5 0

3 years ago

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Which three statements are true about the energy flow in an ecosystem

Lady_Fox [76]

Ecosystem energy flow. Energy's life moves. The energy cycle is based on the flow of energy in an ecosystem through various trophic levels. The cycling energy and nutrients obtained from various external sources maintain our ecosystem.

The responses are A, B, and E. A) Because the sun provides the entire ecosystem with energy, it is a major source of energy. B) because photosynthesis is the process in which plants convert radiant energy from the sun into chemical energy to form sugar-known glucose. E) I believe because, as it moves throughout the ecosystem, the amount of energy at each trophic level decreases.

I hope this helped!!!

6 0

3 years ago

A human zygote is produced from two gametes that are identical in________

Cerrena [4.2K]

Answer:

C

Hope its helps

Correct me if im wrong

6 0

2 years ago

Radar can be used to detect the location and movement of precipitation.<br><br> A) True<br> B) False

pentagon [3]

True, just look at the weather channel on TV :)

8 0

3 years ago

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Two insecticides will be compared for their effectiveness in eliminating aphids on tomato plants. Forty tomato plants of the Big

densk [106]

Answer:

The t-test

Explanation:

<em>The researcher should use a t-test to compare the two means and check if they are significantly different from each other.</em>

In using the t-test, both null (H0) and alternate (H1) hypothesis are made such that:

H0: n1 = n2
H1: n1≠ n2

Thereafter, the value of t is calculated and compared to its critical value on the table. The formula for calculating the t goes thus:

$t = \frac{Y_1 - Y_2}{\sqrt{\frac{S_1}{n_1} + \frac{S_2}{n_2} } }$

where, Y1 = mean of population 1, Y2 = mean of population 2, S1 = variance of population 1, S2 = variance of population 2, n1 = number of individuals in population 1 and s2 = number of individuals in population 2.

<em>At the end of the day, if the calculated t value is more than the critical value of t, the H0 is rejected and it shows that the two means are significantly different. Otherwise, the H0 is accepted and this shows that there is not significant difference between the mean of population 1 and that of 2.</em>

7 0

3 years ago