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N76 [4]
3 years ago
11

What kind of questions can we answer with science

Biology
1 answer:
Stella [2.4K]3 years ago
3 0
Science can only answer questions about effects and events that are discovered, defined, and studied in the material realm
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Multiple Choice New species arise when a. a portion of the population becomes isolated from the remainder of the population and
Mandarinka [93]

Answer:

a. a portion of the population becomes isolated from the remainder of the population and experiences different selective pressures

Explanation:

This is an example of allopatric speciation Allopatric speciation is a form of speciation (formation of new species) that occurs as a result of geographic isolation. This means that a part of population becomes physically separated from the initial main population. There is no gene flow between these two populations and as a result the two populations  reach a high level  of genetic divergence. They can no longer interbreed which means they become two different species (speciation).

New populations evolve as result of mutation, genetic drift and natural selection.

For example, Galapagos finches are isolated from others by the ocean (geographic isolation).  Because of the isolation, the finches don’t breed with one another. So, they developed unique characteristics and became endemic.

8 0
3 years ago
Which of these is a result of ocean acidification
luda_lava [24]
<span>The Chemistry. When carbon dioxide (CO2) is absorbed by seawater, chemical reactions occur that reduce seawater pH, carbonate ion concentration, and saturation states of biologically important calcium carbonate minerals. These chemical reactions are termed "ocean acidification" or "OA" for short.</span>
6 0
3 years ago
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A biologist has found an organism she cannot identify while doing a census in a swamp. Which of the following would be the best
tigry1 [53]

A biologist has found an organism she cannot identify while doing a census in a swamp. The best characteristic to look for in order to decide whether this organism should be classifies as a protist or as a plant is….


Answer: B) If it is unicellular, it is a protist.


<span>Although there are single celled archaea and fungi.</span>


<span>I hope it helps, Regards.</span>

3 0
3 years ago
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Primates reproductive strategies (compared to other mammals)
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<span>The answer is (D) are k-selected. Primates are the most K-selected among mammals. Individuals produce only a few whom they invest a great amount of parental care. Reproductive strategies main goal is to produce offspring and successfully rear them to adulthood.</span>

8 0
3 years ago
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During replication and transcription, the DNA unzips the
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It has been a while since biology...but if there is one thing I definitely remember, it is the replication process of DNA.

Once the cell is ready to commence the process of replication, it begins by unzipping the double helix. This task is completed by an enzyme called the DNA Helicase. Then a DNA Polymerase takes half of the unzipped DNA strand and creates corresponding deoxyribonucleotides.

Hope I could help! Have a good one. 
4 0
3 years ago
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