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FrozenT [24]
3 years ago
5

Just a reminder to take a break! Your brain is hurting and you need some water! Use this app to understand not to cheat too!

Biology
1 answer:
ss7ja [257]3 years ago
8 0

Answer:

THX

Explanation:

Your mind needs to rest

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Help for this question
sveticcg [70]
I remember this from last year haha. The dark moths populations will go down since they can’t blend in as well as the light moths.
5 0
2 years ago
A population of wild-flowers was scored for flower color. There were 302 blue (BB) plants, 1857 violet (BR) plants and 811 red (
Paul [167]

Answer:

frequency of the blue (B) allele = 0.4142

frequency of the red (R) allele = 0.5858

The number of blue plants expected is 509.652

The number of red plants expected is 1019.304

The anticipated number of violet plants is 1441.341

Calculated chi square value

= 84.5320 + 42.5688 + 119.8692\\= 246.97

Explanation:

Frequency of blue allele is

Frequency of blue allele is equal to sum of frequency of BB and half of frequency of BR

\frac{302}{2970} + \frac{1}{2} \frac{1857}{2970} \\= 0.1016 + 0.3126\\= 0.4142

Frequency of other allele

1- 0.4142\\= 0.5858

Chi Square test

See the attached file

The number of blue plants expected is 509.652

The number of red plants expected is 1019.304

The anticipated number of violet plants is 1441.341

Calculated chi square value

= 84.5320 + 42.5688 + 119.8692\\= 246.97

7 0
3 years ago
Plzz help with my test
Levart [38]
The chemical equations for the processes are opposite of each other
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Look at an ocean system below what would most likely happen if the number of salmon decreased?
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The shrimp population would increase.
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