Answer:
The natural factors that affect the Earth’s climate change are given below.
Explanation:
Topography refers to the physical features of a piece of land. Areas near water bodies have milder climate while on the mountains the climate is very cold. Due to climate change the climate of mountains changes and becomes warm which melts the snow reserves and increase in sea level.
The sun intensity also has a great effect on climate of region. If the intensity is high, the temperature of the surrounding also high. Due to increase in the intensity of sunlight, climate change occurs.
Ocean has a great effect on the climate because when the ocean water heat up, it change into vapors and form clouds. The areas along the oceans have moderate temperature. more or less absorption of CO2 affect the climate change.
The atmosphere has a great effect on climate change. The greenhouse gases in the atmosphere block the passage of solar radiation which increases temperature of the earth surface.
Different landmasses differ in temperature due to the presence of these landmasses near or far from the equator. Those areas near the equator experience high temperature.
Answer:
The mutation will be fixed by genetic drift.
Explanation:
Genetic drift is the change in the allele frequencies in a population that occur randomly. It is an evolutionary process (like natural selection), that is associated with the reduction in genetic diversity by the fixation of rare allelic variants and neutral mutations. In this example, this point mutation is neutral since, according to data, the population is evolving by genetic drift. Moreover, it is also important to note that a mutation that involves one nucleotide is also called Single Nucleotide Polymorphism (SNP).
Answer:
Heredity is important to all living organisms as it determines which traits are passed from parent to child. Successful traits are more frequently passed along and over time can change a species. Changes in traits can allow organisms to adapt to specific environments for better rates of survival.
Explanation:
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Answer:
The correct answer is 50%
Explanation:
Fraternal twins are the twins which are produced from the fertilization of two different eggs by two different sperms. These eggs are released at the same time.
So as fraternal twins are produced from fertilization of two different eggs therefore they share 50% of genes with each other just like other siblings. They are also called dizygotic twins
Identical twins are produce from a sigle fertilized cell which later divides into two cell mass. Indentical twins share 100% gene. Therefore the correct answer is 50%.
