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Liula [17]
3 years ago
12

Why can a accepted hypothesis be rejected at a later date

Biology
1 answer:
Verdich [7]3 years ago
4 0
<span>An accepted hypothesis can be rejected later on because of an experiment to test the hypothesis. Which causes the hypothesis to change and have a new prediction. During a scientific experiment the predicted outcome may change which is okay, but the hypothesis must change too.</span>
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Jade hears a rattle. When she turns around she sees a rattlesnake inches from her leg. Her pupils dilate, her heart pounds, and
k0ka [10]

Answer:

Fight or flight response.

Explanation:

Fight or flight response is also known as hyper arousal response. This response is mainly generated in case of attack and harmful event.

Jade hears a rattle sound and sees a rattle snake as she turns turns around, this is a type of harmful event or fear for Jake. This condition causes the dilation of pupil, sweat and heart pounds in Jade's body. The fight and flight response has been generated in Jade's.

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3 years ago
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Explanation:

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5 0
3 years ago
Which of the following is true?
Arlecino [84]

During meiosis but not during mitosis, which of the following is true? __.

A haploid gametes are produced that are identical in their allelic composition

B the cytoplasm divides

C chromosomes line up in the center of the cell during metaphase

D genetic variation among the daughter cells is increased

E two identical daughter cells are produced

Answer:

D. genetic variation among the daughter cells is increased

Explanation:

Meiosis is a process where a single cell divides twice to produce four cells containing half the original amount of genetic information. Meiosis occurs in germ cells, as a result; genetic variation among the daughter cells is increased. These cells (germ cells) are our sex cells – sperm in males, eggs in females.

In meiosis, the haploid gametes that are produced are not identical in their allelic composition.

In prophase 1, the chromosome pair up.

During metaphase, The chromosome pairs line up next to each other along the center (equator) of the cell.

4 0
3 years ago
In cod fishing, older and larger fish are more likely to be retained in nets than younger and smaller fish. Despite the removal
AlexFokin [52]

Answer:

D. Selection has led to decreases in the size of fish at the age of reproductive maturity.

Explanation:

The larger body size of the fishes is not an adaptive trait as it reduces the survival chances of these fishes. The process of natural selection tends to increase the frequency of the traits that increase the survival fitness of the organisms. Here, the fishes with smaller body size at the reproductive age have greater chances of survival and would reproduce more to leave more progeny. Over the generations, the selection pressure would increase the proportion of fishes that are smaller during reproductive age.

4 0
2 years ago
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Which of the following statements about the dark reactions is true?
Marianna [84]
C would be the best choice
Dark occur in the stroma, and do not use light energy
7 0
2 years ago
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