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oksian1 [2.3K]
3 years ago
6

The central nervous system _____________________.

Biology
2 answers:
gavmur [86]3 years ago
7 0
The central nervous system includes the brain and spinal cord.
Vera_Pavlovna [14]3 years ago
5 0

The central nervous system is in the center of the body, and is where the nervous system is controlled. The central nervous system (B), includes the brain which controls and is the ‘center’ for the nervous system signals, and the spinal cord, which located near the center of the body.

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How many lobes does the liver have
Dafna11 [192]

Answer:

2 main lobes

Explanation:

The liver holds about one pint (13%) of the body's blood supply at any given moment. The liver consists of 2 main lobes. Both are made up of 8 segments that consist of 1,000 lobules (small lobes). These lobules are connected to small ducts (tubes) that connect with larger ducts to form the common hepatic duct. The common hepatic duct transports the bile made by the liver cells to the gallbladder and duodenum (the first part of the small intestine) via the common bile duct.

7 0
3 years ago
Which conditions are common to all three of the following: genetic drift, the founder principle, and the bottleneck effect? a. i
Tcecarenko [31]

Explanation:

Common to genetic drift, the founder principle, and the bottleneck effect:

b. in small populations and result in a decrease in genetic diversity and/or an increase in the occurrence of specific genetic traits

c. when a small group of organisms only reproduce with each other to create a larger population of organisms

d. when the majority of a population is killed off and there are only a few remaining organisms left to rebuild the population

Further Explanation:

During the process of cell division, spontaneous changes within the genome can arise, called mutations. These are errors occur when copies of the DNA within the cell are made; mutations may range from small changes called single nucleotide polymorphisms, to large scale deletions, and additions which span multiple genes.

These mutations form variants which become stable within a population, leading to the formation of separate, genetically distinct populations called species.

  • mutations accumulate in a population over time, altering the frequency of alleles or different forms of a gene- this is called genetic drift.
  • In the founder effect, the separation of a group from a larger group can decrease genetic diversity, this can create a genetically distinct population
  • In the bottleneck effect, a population die off or barrier to reproduction increases the genetic drift in the population

Learn more about mutations at brainly.com/question/4602376

Learn more about DNA and RNA at brainly.com/question/2416343?source=aid8411316

#LearnWithBrainly

5 0
3 years ago
Read 2 more answers
A lone male wolf, who doesn't have a pack, travels the forest. When he reaches a new hill that he hasn't been on before, he spen
VLD [36.1K]

Answer:

The correct answer is option B. pheromones.

Explanation:

Pheromones are chemical substances that are released and produced by a different type of animals, into the environment, for marking their territory or affecting behaving of its species.

Wolves communicate by the chemical messages using their sense of smell. Such chemical messages are called pheromones, between different members of the same species.

Thus, the correct answer is option B. pheromones.

3 0
3 years ago
You are studying a metabolic enzyme that is found in organisms living at extremely high temperatures and an acidic environment.
gulaghasi [49]

Answer:

Increasing the substrate concentration.

Explanation:

Increasing the substrate concentration can increase the rate of the reaction to a certain point. However, once all of the enzymes bounded to the substrate, any further addition of it will not be going to affect or increase the rate of the reaction at all, as all the enzymes will be saturated and working in their maximum rates.

3 0
3 years ago
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What could people change that would reduce the burning of fossil fuels?
Nana76 [90]

could use less heat and air conditioning, lighting, electronics in our homes. Drive gasoline cars less often, and walk more. stop buying new clothes as much, and recycling used. use renewable energy sources like wind and solar power.

7 0
2 years ago
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