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Semmy [17]
3 years ago
7

Which of the following best describes how the

Biology
1 answer:
Margaret [11]3 years ago
7 0

Answer:

A. Chemical energy is used by each of the organisms in the food pyramid, resulting in less energy as it moves up the pyramid.

Explanation:

Green plants are autotrophs. They manufacture their own food through photosynthesis. Through sunlight, the food manufactured has chemical energy stored in them which is made available to the heterotrophs. Heterotrophs are mainly consumers, while autotrophs are producers.

Heterotrophs rely on autotrophs for their nutrition.

Thus, as consumers above at the top of the pyramid feeds on those below, the stored energy is being transferred up and used. These energy reduces as it goes up right to the top of the pyramid.

The best statement that describes how chemical energy is transferred up the pyramid is: "A. Chemical energy is used by each of the organisms in the food pyramid, resulting in less energy as it moves up the pyramid."

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2. Can the classification system change? If so, provide an example of a way it has changed in the past. (2 points)
Elis [28]

Yes, classification system is still evolving together with our knowledge.

But, before changing the name (e.g. of a species) it is important to collect and gather a wealth of information in order to support that change. Classification system is still evolving. The reasons for the changes are DNA analyzes. It is the new way for discovering relation between organisms and put them in the right context (classification used to be based on morphological characteristics).

Change in classification can be shown in an example of fungi. In the 90s fungi classification included only phyla Chytridiomycota and Zygomycota. Now theyhave been classified mainly on the basis of characteristics of their sexual reproductive structures. So, there are 7 phyla now: Microsporidia, Chytridiomycota, Blastocladiomycota, Neocallimastigomycota, Glomeromycota, Ascomycota, and Basidiomycota

7 0
3 years ago
What does each mrna molecule that goes to the ribosomes dictate
ahrayia [7]

Answer:

mRNA or messenger RNA goes to ribosomes to dictate the genetic information that it contains .

Explanation:

Ribosomes act as work benches during protein biosynthesis.mRNA also called messenger RNA binds with the smaller subunit of ribosome at the time of translation.

       The bound subunit of ribosome reads the genetic information as codons containing three concecuetive nucleotides present in mRNA thus helping tRNA to bring the particular amino acid specific for that codon at the A site or attachment site of ribosome.

      Thereafter ribosome moves to the next codon to bring another amino acid and so forth.

       Thus mRNA helps ribosome to brings the amino acids at the translation site.

5 0
3 years ago
Are mutations always bad? explain your answer
mr_godi [17]
No.

This is because mutations not only help a species survive in certain conditions, but also allows diversity within a population. For instance, a bug species can develop a mutation to bug spray, allowing it to survive through its prey or killers. Therefore, ultimately benefiting and helping the species.

Hope this helps!
7 0
3 years ago
A few students want to live healthier lifestyles. They decide to use one of the
dalvyx [7]
The answer is sunflower oil
3 0
2 years ago
In the process of fermentation, liquid is heated to a specific temperature to kill bacteria.
Aleonysh [2.5K]

Answer:

T

Explanation:

in order to drink milk people have to heat up milk to kill harmful bactrical substance

5 0
3 years ago
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