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Katena32 [7]
3 years ago
7

Mutation is the only evolutionary mechanism that ________.

Biology
2 answers:
belka [17]3 years ago
8 0
Mutation is the only evolutionary mechanism that does little to change allele frequencies.
snow_tiger [21]3 years ago
4 0

Answer:

is the ultimate source of variation in natural populations

Explanation:

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What is the synonymn taxonomic grouping of phylum in plants?
loris [4]
The synonym is division
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3 years ago
PLEASE HELP!!!
KengaRu [80]

Answer:

The statements which are correct are:

-85% of the U.S. corn is GMO; modified to be resistant to herbicides.

-Technology now allows us to transfer genes between organisms of different species and even kingdoms.

- Extensive testing has been conducted on GMO-foods to ensure that there will be no adverse allergic reactions or health risks.

Explanation:

GM foods can be described as the food which is genetically modified. In simpler terms, food prepared by the introduction of a foreign gene is termed as genetically modified food.

About 92 percent of the corn produced in the U.S is genetically modified and out of it about 85 percent is genetically modified to be resistant against herbicides.

The use of GM foods was made legal after passing through various tests in the laboratory and being approved by the FDA. Up till now, any food prepared by this method is properly tested and approved By FDA before introducing it into the market.

8 0
3 years ago
intracytoplasmic iron ganuakes can be seen as anither distinct morphologic appearance of copper deficiency true or false​
Tom [10]

Answer:true

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Copper is basically maintenaning the iron gradient of the cell and therefore the whole body ,decrease in copper may lead to increased iron accumulation in the cell and less utilization of it as well hence disturbing the process of heme synthesis.

3 0
2 years ago
Which of the following correctly orders the components of a cell from smallest to largest?
Alex Ar [27]

Hello!

Since you didn't provide us with any options, I'll list them for you:

  • Smooth ER
  • Golgi
  • Mitochondria
  • Rough ER
  • Nucleus

This list is for an animal cell. It varies among the 3+ types of cells, so feel free to specify what type your worksheet is referring to in the comments and I'll help you out!

8 0
3 years ago
List and describe briefly five external factors that must be present or provided to sustain life
Genrish500 [490]
The five main external factors that must be present or provided t sustain life are:
1. Water 
2. Oxygen
3. Food
4. Atmospheric temperature 
5. Atmospheric pressure
<span>The human body needs water, food and oxygen in order the body functions to work properly.
</span>Not every temperature is temperature at which the human can live. For example: we can not stay alive long period of time at temperature of 60 degrees Celsius. 
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3 years ago
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