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DochEvi [55]
3 years ago
14

Natural selection does not (2 points) A. make species stronger over time B. select what a species needs C. cause changes in a po

pulation D. increase how often favorable traits are passed on
I'm pretty sure its A but don't really know.
Biology
1 answer:
Paul [167]3 years ago
8 0
In A, stronger may not be the good word, but if a species needs to get stronger to survive then it will get stronger through natural selection.
B This in my opinion is true because the species will always adapt to what traits it needs to survive and this ties in with D becuase D is very similar
C causes changes in population in my opinion is the least likely to be true, this is because natural selection only effects offspring and not current population, which is why I would consider this one to be false.

To be honest I'm not sure this is a very tough question and is worded strangely. I would choose C or A, I would suggest getting a second source
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In a certain species of plant, the allele to produce green melons (G) is dominant over the allele to produce yellow melons (g).
marishachu [46]

Answer:

4.26

Explanation:

Let the green-melon parents be Gg, then we expect the cross with the yellow-melon plant gg so as to produce 50% Gg and other 50% of gg offspring. What we observed was that 53 green and a 41 yellow. Based on the total number of 94 offspring , we expected half and a half ratios to be 47 of each color.

                                Observed(o)   Expected(e)   (o-e)    $(o-e)^2$      $(o-e)^2/e$

Green-melon plant        53                    47               6          36             0.766

Yellow-melon plant        41                    47              -6          36             0.766

Therefore the chi-square value is 1.53 which is less than the critical value of 3.84. Therefore, the null hypothesis is accepted.

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3 years ago
An element has an atomic mass number of 16 and an atomic number of 7.
Brums [2.3K]

Answer:

protons:7

neutrons: 7

Explanation:

5 0
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Which of the following are part of the body s first line of defense against pathogens?
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The body's first line of defense is the mucous membranes
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Subject Course : Earth Science
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<h2>✏<u> </u><u>Earth</u><u> </u><u>Science</u></h2>

\huge\purple{——————————}

\large \bold{QUESTIONS:}

1. What kind of breeze occurs during the day in coastal areas?

A. sea breeze

B. valley breeze

C. mountain breeze

D. land breeze

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C. uneven heating of Earth’s surface

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3. What type of breeze occurs near mountains at night?

A. valley breeze

B. land breeze

C. mountain breeze

D. sea breeze

\\

\large \bold{ANSWERS:}

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3 years ago
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Please help me
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An example of a consumer is a rabbit.

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