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oksano4ka [1.4K]
3 years ago
8

In a trophic pyramid, which of the following populations would be found in the trophic level directly above the producers?

Biology
2 answers:
bogdanovich [222]3 years ago
8 0
Where are the following populations?
djyliett [7]3 years ago
6 0
Probably a bit late now, but the answer would be Rabbits, since they eat the producers. 
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Identify two examples of environmental factors that may impact salivary peroxidase activity. Describe how each of the environmen
charle [14.2K]

Answer:

Examples of environmental factors that may alter salivary peroxidase include periodontitis, oral hygiene, presence of heavy metal ions, bacteria (e.g., <em>Streptococcus gordonii</em>), anaerobic conditions, temperature, pH, etc.

Explanation:

Peroxidase is an enzyme found in all aerobic cells that act to convert toxic hydrogen peroxide (H2O2) into dioxygen (O2) and water (H2O). This enzyme plays an important non-specific defensive role against proliferating micro-organisms that cause periodontal diseases such as periodontitis, which is a serious inflammatory disease affecting the tissues around the teeth. The most common environmental factors influencing the development of periodontitis include oral hygiene, smoking and age. In this regard, it has recently been shown that there is a positive correlation between salivary peroxidase activity and periodontal health, especially in non-smoker individuals. In consequence, it is expected that smoker individuals are more prone to suffer periodontal diseases by reduction of the salivary peroxidase levels.

7 0
2 years ago
When one allele is dominant to another, what is the most common biological mechanism for this dominance?
MAVERICK [17]

Answer:

A. Dominant alleles often encode functional products, whereas recessive alleles often do not encode functional products

Explanation:

One gene can have it's variant forms called allele but in one individual only two allele form of a gene can be present. These two allele form can be the same(homozygous) or different(heterozygous). A dominant allele often encode a function protein of product while recessive allele often code for non- functional product.

Therefore when the dominant allele is present in the chromosome then function products are formed which can be seen in the phenotype and even a single dominant allele produce the functional product like in heterozygous condition so phenotype in heterozygous and homozygous dominant condition appears same. So the correct answer is A.

5 0
3 years ago
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Masteriza [31]

Answer:

Allele G represents the strong jaw, and allele g represents the weak jaw. This is because as the generations go by, allele G’s population increases, but allele g’s population decreases. If hard shelled animals are the only foods available to them, you would need a strong jaw to eat them. This means that allele g wouldn’t be able to eat these reptiles, so their population would decrease from lack of food.

Explanation:

8 0
2 years ago
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AnnyKZ [126]

The "Life Cycle" is a characteristics of both plants and animals.

<u>Option: A</u>

<u>Explanation:</u>

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  • The approach is tightly correlated to those of the past, creation, and ontogeny of life, but in emphasizing renewal varies.
  • The seed, germination, growth, reproduction, pollination, and seed spreading stages is covered under plant life cycle.
  • While birth, growth, reproduction and death is covered under animal life cycle.
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3 years ago
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GarryVolchara [31]
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