1)acid rain 2)global warming 3)ozone depletion 4)industrial pollution 5)deforestation 6)water pollution
Even a country in which the birthrate and death rate are equal can experience population growth if it also has immigration.
- In evolutionary time, migration will often quickly converge gene frequencies among populations. Migration is a powerful mechanism for balancing the gene frequencies of subpopulations in a species in the absence of selection. Gene frequencies will eventually equalize if the migration rate is larger than zero.
- Migration refers to the movement of people, groups, or populations. Migration facilitates gene flow, or the transfer of genes from one population to another, in terms of genetics. Migration—or, to be more precise, gene flow—alone will quickly bring the gene frequencies of the two populations together if they initially had distinct gene frequencies and if selection is not at work.
Therefore, immigration is the correct answer.
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The mitotic spindle pulls the chromosomes together at the metaphase plate. Microtubules from opposite spindle poles grab the two sister chromatids of each chromosome. In metaphase, the spindle has collected all the chromosomes and lined them up at the middle of the cell, ready to divide.
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What are chromosomes?</h3>
Chromosomes are the greatest level of DNA and protein organization. Chromosomes' primary job is to transport DNA and genetic information from parents to offspring. During cell division, chromosomes play a vital role. They keep DNA from becoming twisted or damaged.
The metaphase plate is a plane or region that is about equidistant from a dividing cell's two poles.
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Answer:
I and V
Explanation:
All living organisms undergo the process of CELLULAR RESPIRATION, which is the metabolic process of breaking down glucose in order to release the stored energy in its bonds and convert them in usable form by the cell (ATP). Cellular respiration can be aerobic (presence of oxygen) or anaerobic (without oxygen). This process involves Glycolysis which is an initial step undergone by all organisms because it does not require oxygen. Glycolysis occurs in the cytoplasm of living cells in both prokaryotes and eukaryotes.
Aerobic cellular respiration further contains Kreb cycle and Oxidative phosphorylation which occurs in the mitochondria of eukaryotic cells. In a nutshell, glucose is broken down to produce ATP which the organism uses to power its life processes. water and Carbondioxide (CO2) are also released as byproducts.
The General equation for aerobic cellular respiration is as follows:
C6H12O6 + 6O2----> 6CO2 + 6H2O + ATP