<span>the one that is not a source of genetic variation is : D. Asexual reproduction
In asexual reproduction, there is no fertilization process between male and female gender. Which mean the offspring that came from asexual reproduction would be exactly the same as its parent, without any chance of genetic variation</span>
In over the past 50 years fishing industry in north american needed to improve their equipment fishing and boats to enhance their production.
the greatest impact on the fishing industry in north america is: a. improvement and modernization of boats and fishing equipment.
hope this help
Answer:
The skin performs six primary functions which include, protection, absorption, excretion, secretion, regulation and sensation. The skin functions as our first line of defense against toxins, radiation and harmful pollutants.
The statement " Each gene in the human genome codes for a single protein. "is just wrong, as according to the basic knowledge of human genome, o<span>nly about 2 percent of the genome codes for proteins. This answer does make difference and clearly explaines why the previous one is wrong. Hope you will find it helpful!</span>
B. A balanced
Explanation:
In a balanced ecosystem decomposers breakdown dead or decaying organisms and they return nutrients to the soil to be used by plants.
A balanced ecosystem maintains an equilibrium between the biotic component and abiotic component of the system.
- The nutrient cycling between biotic component and abiotic part of the ecosystem is kept going by decomposers.
- Decomposers are organisms that breaks down dead and decaying organisms.
- They release the nutrients trapped in them in the process.
- The nutrient in the soil is in its abiotic state.
- When plants takes up the nutrient, it enters back into the biotic component.
- Decomposers helps to maintain the balance in the ecosystem.
Learn more:
Decomposers brainly.com/question/12823338
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