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Advocard [28]
3 years ago
14

Why do scientists study changes in population size

Biology
1 answer:
Lelu [443]3 years ago
7 0
To see trends if our overall population is increasing or declining, and then determine what is causing the increase/decrease. 
Please vote my answer brainliest so I can level up! I only need one more.
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Jamal drew a flow chart to show how the carbon in his brain tissue originated as co2 in the atmosphere. interpret his model.
bezimeni [28]

We have heard about Respiration. In human beings, respiration is a cellular activity which takes place in the presence of oxygen and in result produces carbon dioxide. Jamal model is a clear manifestation of that process. Medulla is the region of a brain that controls the respiration activity. When we breathe we take in oxygen and the excess amount of carbon dioxide is removed from out body.

Brains cells have capability to detect the carbon concentration in blood and add excess amount of carbon from body to the air.  


8 0
3 years ago
How does the models support the idea that genetic mutations may arise from environmental factors?
Vanyuwa [196]

The chemical tags that are attached to DNA, known as the epigenome, can potentially be altered by the environment. These tags change the amount of protein that is produced from the genes by making them more or less active.

  • Traits are frequently influenced by environmental factors rather than genetics. Although not always. Sometimes a gene's DNA sequence or degree of activity is altered by the environment.
  • The proteins that a gene produces can be replaced by either of these effects, which in turn impacts characteristics.
  • The nucleotide sequence of a gene may alter as a result of some harmful environmental influences. DNA strands, for instance, can be damaged by UV light.
  • Certain pollutants, such as those found in plastic and cigarette smoke, can change how DNA bases behave chemically, allowing one DNA base to stand in for another.

To know more about DNA check the below link:

brainly.com/question/16099437

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7 0
11 months ago
Plant-like protists (like algae) are considered plant-like because they are?
Deffense [45]
Eukaryotic because it is that
4 0
2 years ago
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Which of the following would float if placed in water ​
Ivahew [28]

List of objects that float:

Ice

Wood

Rubber

Soda cans

Plastic toys (such as a duck)

Innertubes

Balloons

Frisbees

Legos

Plastic containers (Tupperware, etc.)


7 0
3 years ago
If ssb is not present during dna replication, what would you expect to see?
In-s [12.5K]
A. SSB prevents reannealing of the separated strands, so strands would quickly reanneal and DNA replication cannot proceed.

Single-stranded binding proteins, or SSB, appear on the strands to separate the strands. Without a separation force, the strands would simply bind back together through hydrogen bonding.

The answer is a .....hope I helped
5 0
3 years ago
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