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Anna [14]
4 years ago
11

Why does rhyolite have smaller crystals than granite

Biology
1 answer:
Paladinen [302]4 years ago
6 0
<span>Rhyolite is extrusive. Cools faster so crystals don't have time to form.</span>
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Frost wedging occurs when water seeps into a crack in a rock, freezes, and causes the crack in the rock to widen. true or false?
nevsk [136]
It is true that frost wedging occurs when water seeps into a crack in a rock, freezes, and causes the crack in the rock to widen.
8 0
3 years ago
Read 2 more answers
1. In a population of 200 field mice, 98 mice are homozygous dominant for brown fur (FF), 84 mice are heterozygous (Ff), and 18
iVinArrow [24]
A.
The genotype frequencies can be determined by dividing the number of individuals with a genotype by the total number all the individuals. 
FF genotype frequency:
98÷200=0,49. There are approximately 5 <span>homozygous dominant mice in 10.
Ff genotype frequency:
84</span>÷200=0,42. There are approximately 4 <span>heterozygous mice in 10.
ff genotype frequency:
18</span>÷200=0,09. There are approximately 1 <span>homozygous recessive mouse in 10.

B.
To determine the frequency of an allele we can divide the number of times that the allele appears by the total number of alleles.
F allele frequency:
</span>\frac{(98*2)+84}{400}<span>=0.7
There are 7 F alleles in 10 random alleles.
f </span>allele frequency:
\frac{84+(18*2)}{400}=0.3
There are 3 f alleles in 10 random alleles.<span>
</span>
6 0
4 years ago
Next-generation sequencing reveals six new mutations have occurred in the coding regions of genes in an individual diploid fly.
Bingel [31]
10^{-8} mutations per nucleotide. If there are 100 million nucleotides per haploid genome, there are 200 million nucletides per diploid genome. Six mutations divided by 200 million is 10^{-8}.   
5 0
3 years ago
Why is evolution so central to every aspect of biology g?
ioda
<span>It is used to develop the tree of life and understand relationship between organisms. This study enables scientists comprehend the morphology and behaviour of organism. Its study is also significant in medicine in understanding the evolution of diseases and hence important in drug development.  </span>
3 0
3 years ago
1) The area where an organism lives its life including the living and nonliving factors.
Monica [59]

Answer:

1) habitat

2) overpopulation

3) habitat (again I guess?)

5) shelter

Explanation:

I can't think of anything else for 1 and 3.

8 0
3 years ago
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