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BARSIC [14]
3 years ago
14

How much does the average human brain weigh

Biology
1 answer:
amm18123 years ago
3 0
The adult human brain weighs about 3 pounds (1,300-1,400 g)
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A scientist studied a population of birds for 10 years. During that time, the population was never fewer than 30 birds and never
ahrayia [7]

Answer:

A particular population limiting factor or factors must have been removed

Explanation:

The population of the birds must have been kept between 30 and 50 individuals by population limiting factors such as the presence of predators within the community or competition for resources such as food or spaces.

For the population to shoot up to 90 all of a sudden, it may be that one or more of the population limiting factors has been removed from the population. <u>It could be that a major predator has been removed from the community or the competition for food/space is now significantly reduced due to more food/space in the community. </u>

3 0
2 years ago
what will happen if one of the levels in the biological organization will not perform its function properly?​
Sedaia [141]

Answer:

It would affect the functionality of the other levels including the organism

Explanation:

The level of biological organization is a hierarchical step consisting of how a multicellular organism forms. According to this level of organization, CELLS are the simplest unit of life and the collection of cells with a similar function is termed TISSUE. Tissues form ORGANS, organs form ORGAN SYSTEMS and finally, a collection of all the systems in the body forms the ORGANISM.

Based on this, one would observe that each level is related to the next in such a way that one forms from the other. Hence, if one of the levels in the biological organization will not perform its function properly, the other levels will be affected. For example, if the kidney cells do not perform it's function, it would affect the functionality of the kidney tissues, kidney organ, the excretory system, and the organism at large.

7 0
3 years ago
Heterotrophic organisms used the process of fermentation to nourish. What is fermentation?
Mama L [17]
Fermentation is a type of chemical process which enables heterotrophs to obtain energy without oxygen . Heterotrophs uses procedure of fermentatation to cultivate because in process of fermentation enzymes are the catalysts and they provide energy to heterotrophs
8 0
3 years ago
Question 8 of 10
jonny [76]

The purpose of control group 2 is to determine if the new drug was a possible method for getting well, i.e., option B.

<h3>What is way of testing medicines?</h3>

In a laboratory, drugs are first subjected to non-human tests. These laboratory tests are performed to determine a level of safety.

The results of these tests are then submitted to the United States Food and Drug Administration (FDA), which determines whether the treatment is safe enough to be studied in human volunteers.

There are various phases involving discovery, clinical trial, review, and safety monitoring.

The purpose of control group 2 is to determine if the new drug was a possible method for getting well

Thus, the correct option is B.

For more details regarding drug testing, visit:

brainly.com/question/11332268

#SPJ1

5 0
2 years ago
Read 2 more answers
Solve the problem.
Alex777 [14]
There were 20 seats in each row
4 0
3 years ago
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