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LuckyWell [14K]
3 years ago
7

Tell how a fossil fish was formed in an area that was a river a million years ago, and how it possibly got to the surface of the

ground today to be found by the scientists
Biology
1 answer:
rodikova [14]3 years ago
5 0

Answer:

the fossil was formed over the course of a million years and the fossil turned up on the surface due to tectonic shifts

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Breeding livestock is graded "superior," "average," and "inferior" on the same traits as slaughter animals. In a 50-word paragra
BaLLatris [955]

Livestock producers and  breeders rank livestock on their ability  to produce high quality, efficient breeding  animals and market-worthy <u>offspring</u>.

To be able to effectively evaluate breeding  and market animals is of vital economic importance for the animal markets. The same traits  used to evaluate <u>high-grade slaughter  animals</u> are also important in the <u>grading </u>of  <u>breeding stock</u>.

When we judge livestock we  classify them as:

  • Superior livestock
  • Average livestock
  • Inferior livestock

We are looking for  the most desirable traits to fit our  particular market and genetic needs. The "Livestock Judging Manual" indicates that some of the most prevalent traits necessary to score a better rating are:

  • <em>Live weight</em>
  • <em>Fat depth</em>
  • Muscling

and many more. The most important of which is muscling given that an animal with more muscle will produce more desirable meat for the average consumer, and therefore can be sold at higher prices.

To learn more visit:

brainly.com/question/17128434?referrer=searchResults

8 0
3 years ago
Collections of nerve cell bodies outside the central nervous system are called ________.
Savatey [412]

Answer:

Collections of nerve cell bodies outside the central nervous system are called a ganglion.

Explanation:

4 0
3 years ago
Read 2 more answers
Name one disorder of the digestive system​
sergiy2304 [10]

Answer:

Stomach Flu

Explanation:

Stomach flu—or gastroenteritis—is an infection of the stomach and upper part of the small intestine. Common symptoms are diarrhea, vomiting, stomach pain, and cramps. Rotavirus and norovirus, which affect millions of people every year, are often the cause. Gastroenteritis often clears up on its own, but you lose fluids through diarrhea and vomiting. Prevent dehydration by drinking water and electrolyte drinks.

6 0
3 years ago
10.1 Limits To Cell Growth
Sindrei [870]

Answer:

Cell size is determined by joint regulation of cell size and cell cycle duration.

Size dependent modulation of growth rate allows maintenance of cell size homeostasis.

Central carbon metabolism is key regulator of both cell size and cell cycle.

Size dependent regulation of metabolism and growth rate implies cell size sensing. As the cell increases in size the volume of the cell increases more rapidly than the surface area which causes a decrease in the cell's ratio of surface area to volume and makes it more difficult for the cell to move needed materials in and waste products out.

DNA- variety of genes are involved in the control of cell growth and division. The cell cycle is the cell’s way of replicating itself in an organized, step-by-step fashion. Tight regulation of this process ensures that a dividing cell’s DNA is copied properly, any errors in the DNA are repaired, and each daughter cell receives a full set of chromosomes. The cycle has checkpoints (also called restriction points), which allow certain genes to check for problems and halt the cycle for repairs if something goes wrong. If a cell has an error in its DNA that cannot be repaired, it may undergo programmed cell death (apoptosis). Apoptosis is a common process throughout life that helps the body get rid of cells it doesn’t need. Cells that undergo apoptosis break apart and are recycled by a type of white blood cell called a macrophage. Apoptosis protects the body by removing genetically damaged cells that could lead to cancer, and it plays an important role in the development of the embryo and the maintenance of adult tissues. Cancer results from a disruption of the normal regulation of the cell cycle. When the cycle proceeds without control, cells can divide without order and accumulate genetic defects that can lead to a cancerous tumor.

Nutrients and waste- The larger a cell becomes, the more demands the cell places on its DNA. In addition, the cell has more trouble moving enough nutrients and wastes across the cell membrane. The resulting decrease in the cell's ratio surface area to volume makes it more difficult for the cell to move needed materials in and waste products out.

Surface area of the cell- The amount of surface area available to each unit of the cell depends on the size of the cell. As a cell grows, it's surface area/volume ration decreases. At some point of the cells growth, the surface area/volume ratio becomes so small that the surface area is too small to supply raw materials to its volume. materials cannot enter the cell if the surface is too large. ... the cell may become too large to take in enough food and to remove enough wastes. waste products cannot leave the cell if the cell is too small.

Cell volume-

Explanation:

Hope this is helpful?

3 0
3 years ago
Evaluate three ways in which conflict can help to build positive relationship between youth and their parents
qwelly [4]

Answer:

Conflict can help to build a positive relationship between parents and youth due to the fact that conflict can lead to communication. When conflict arrives you need active listening, communication, and responsibility to approach any issue that may occur.

Explanation:

8 0
2 years ago
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