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omeli [17]
4 years ago
11

Which part of the avian digestive system acts as a replacement for teeth by mechanically grinding their food for them?

Biology
1 answer:
Vlad [161]4 years ago
6 0

Answer: c. Gizzard

Explanation:

The Gizzard or ventriculus is the part of the digestive system of the aves, which acts as a mechanical stomach. It is composed of two sets of muscles that act as a avian teeth. It also posses the thick lining that protects those muscles. The gizzard facilitates the mechanical break down of the food as may be caused by the teeth.  

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A scientist is using relative dating to determine the age of a fossil that she discovered.
Dmitry [639]

Answer: D.finding fossils in the same area that are in layers closer to the surface.

Relative dating refers to the age estimation method in which past events are determined, to compare the age of object, organism, strata or rock with the age of other similar entity. This method gives an approximate or estimated age, it does not provide absolute age.  

The older fossils are found in deeper layers of the strata as compared to younger fossils. This represents the geological time and life span of primitive or preexisting organisms. Therefore, according to the given situation, finding fossils in the same area that are in layers closer to the surface is the best conclusion.

5 0
3 years ago
Read 2 more answers
A major connection for sugars in glycolysis is ________.
NeTakaya

Answer:

glucose-6-phosphate

Explanation:

Glycolysis is metabolic pathway which converts glucose into pyruvate. The energy released from the process is used to form high-energy molecules known as ATP and NADH.

Glycolysis is the sequence of ten reactions which are enzyme-catalyzed.

<u>Sugars are majorly connected to glucose-6-phosphate which is formed from the phosphorylation of the glucose units.</u>

<u>Fructose-1,6-bisphosphate , dihydroxyacetone phosphate  and phosphoenolpyruvate are further produced or used in the process and hence are not linked directly to sugars.</u>

5 0
4 years ago
Compare your observations of micrograph obtained from your the optical microscope, the scanning electron microscope and the tran
scZoUnD [109]

Answer:

Scanning Electron Microscopes (SEM) Transmission Electron Microscopes (TEM)

Electron stream Fine, focused beam Broad beam

Image taken Topographical/surface Internal structure

Resolution Lower resolution Higher resolution

Magnification Up to 2,000,000 times Up to 50,000,000 times

Explanation:

7 0
3 years ago
Amino acids are processed by the liver. <br><br> Describe this process.
inessss [21]

Regulation of amino acids

When amino acids are absorbed by liver cells a series of chemical reactions begins. ... The amine group is reduced to ammonia by the addition of a hydrogen atom. This process is called deamination. The non-nitrogenous portion of the molecule is converted to carbohydrates or fats.

6 0
4 years ago
ASAP please
olya-2409 [2.1K]

to be honest I just wanted to say nice profile pic okay I'll leave u alone now

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3 years ago
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