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vladimir1956 [14]
3 years ago
5

In an controlled experiment, why is it important to change just one variable at a time

Biology
1 answer:
77julia77 [94]3 years ago
7 0
If you change more than one variable at a time, then you will have a harder time trying to figure out why the certain change occurred.
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Consider a cross to investigate the pea pod texture trait, involving constricted or inflated pods. Mendel found that the traits
nirvana33 [79]

Answer:

C. 217

Explanation:

Mendel obtained the phenotypic ratio of 3 dominant: 1 recessive in the F2 generation of a monohybrid cross. According to the given information, inflated pods are dominant over the constricted one.

Let's assume that the allele C is responsible for inflated pods while the recessive allele "c" gives constricted pods. A cross between two pure breeding plants with inflated (CC) and constricted pods (cc) would give all the plants with inflated pods (Cc) in the F1 generation. A cross between two F1 plants would obtain F2 generation in following ratio=3 Inflated: 1 constricted.

Therefore, if 650 plants with inflated pods were obtained in the F2 generation, 217 plants must have constricted pods since 650:217 is almost equal to 3:1.  

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3 years ago
Which of the following is true about living species and extinct species?
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Living species are alive and their species still have members, while extinct species no longer are living, and no more of their members exist.
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Many monkey species share the same area of the forest. The tree dwelling
ANTONII [103]

Answer:

Mutualism

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This question showcases the interaction of two different species of monkeys sharing the same area in the forest. The interaction between them is MUTUALISM, which is the relationship between two organisms where both organisms benefits from such relationship. In the question, both monkey species benefits.

The larger monkey species benefits by being helped to climb trees and knock down food from tall branches of trees while the smaller species benefits by being protected from predators by the larger species.

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How do embryonic tissues help develop to form a human body?
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The cellular organization relates with one another since the colossal cell, the organ system is fundamentally composed of cells. Cells are the building blocks of these structures and which creates such organ and organ system. They associate as one cell intercommunicates with another cell until all received the message and translates it and sends it with another organ and to cell -vice-versa. And also, they become interdependent with the other cell -other tissue -other organs -other organ system. 
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3 years ago
Atoms that vary in the number of neutrons found in their nuclei are called _______.
Eva8 [605]
Vary in the number of neutrons but Sama in the number if protons are called isotopes
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3 years ago
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