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NemiM [27]
3 years ago
12

Fossils of the same plants and animal species have been

Biology
1 answer:
grigory [225]3 years ago
6 0

The continents that are now separated by the Atlantic Ocean once formed a single landmass.

All of our current continents were once connected as one single landmass named Pangea. Pangea broke apart into different continents. Fossils found in Africa have been found in South America, and etc.

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Consider the following three populations of birds. Assume HW equilibrium. With these birds red coloring is recessive, while brow
bixtya [17]

Answer:

Red allele frequency will be highest in population II

Population III can undergo bottleneck effect

The frequency of the brown allele will  least likely be altered in the population I

Explanation:

Population I -

Total population - 670

Brown birds - 603

Red birds - 67

Population II

Total population - 100

Brown birds - 90

Red birds - 10

Population III

Total population - 30

Brown birds - 27

Red birds - 3

Frequency of red birds in population I

\frac{67}{670} = 0.1

Frequency of red birds in population II

\frac{10}{90} = 0.11

Frequency of red birds in population III

\frac{3}{30} = 0.1

Red allele frequency will be highest in population II and it will be equal to \sqrt{0.11} = 0.33 as compared to 0.31 in case of population I and III

Population III can undergo bottleneck effect because of smaller population size

The frequency of the brown allele will  least likely be altered in the population that has highest  brown individual , i.e population I

4 0
4 years ago
Which of the following is not true about ocean acidification?
andreev551 [17]

Answer:

C

Explanation:

edg2021

5 0
3 years ago
What controls the characteristics of an organism? A. RNA B. allele C. protein D. DNA
Genrish500 [490]
The DNA controls the characteristics of an organism. I
It proclaims your sex or gene.
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4 years ago
There are three ways sexual reproduction increases genetic diversity in a species. Choose two and explain each
Yuki888 [10]

So in order to form a new organism, two gametes -- the sex cells, sperm and egg -- must fuse, further mixing the genes to produce more genetic diversity. Asexual reproduction is one organism dividing into two organisms without shuffling its genes, so the offspring has the same version of genes as did the parent.

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3 years ago
Which of the following correctly describes the structure and function of tissue layers found in blood arteries and veins?
Paladinen [302]

Answer:

Explanation:

Tunica media; contains connective tissue that provides structural support  

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