BIOLOGY HIGH SCHOOL

The Mute Swan is a species of bird with an orange-reddish bill and white feathers. It is naturally found in Europe and Asia but can sometimes be found in the United States as a result of the importation of these non-native birds.Mute Swans are one of the heaviest flying birds and consume up to 8 pounds of vegetation each day. How will the migration of Mute Swans into an area most likely affect the birds native to that area?

Answers

Answer 1
Answer: the native birds will decrease in numbers because there is not enough food for all the birds.
Answer 2
Answer: First off, because the bird is non native it may introduce new diseases. Second, because it eats so much vegetation, birds may lack materials to build nests or dens.

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2. The form of oxygen that combines three oxygen atoms into each molecule is called?
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Five species of frogs that live in separate habitats within 5 non-overlapping ranges along the Mississippi River share a common ancestor. Which process is most likely responsible for the formation of these five distinct species

Answers

The answer is Phylogenesis.
Phylogenesis refers to the process of the evolution or the development of a particular group of organisms such as frogs. The evolutionary history of the group of organisms is depicted in a family tree.  According to Phylogenetics, the relationships of the organisms are discovered by evaluating heritable traits, and DNA sequence.  

Which one of these chordate groups lacks a post-anal tail and a notochord as adults?

Answers

The answer is tunicates.

Tunicates belong to phylum Chordata. Thus, it is expected to have dorsal nerve cords and notochords. But, as adults, they lack a post-anal tail and the notochord. The reason they belong to phylum Chordata is that their larval stages have all the characteristics of phylum Chordata - nerve cords, post-anal tails, and notochord. During metamorphosis to adults, tunicates lose these characteristics.

Scientists have recently modified the bacteria that cause tooth decay by inserting a fragment of DNA into the bacteria's DNA that prevents it from producing lactic acid. What is the new DNA called?.

Answers

Scientists have recently modified the bacteria that causes tooth decay by inserting a fragment of DNA into the bacteria's DNA that prevents it from producing lactic acid. The new DNA is called recombinant DNA.

What is DNA?

DNA is defined as deoxyribonuclic acid and it is a polymer made up of two polynucleotide chains that arranged in foiled structure to form a double helix carrying genetic information for the various processes such as growth development  functioning and reproduction.

There are four nitrogen bases of DNA nucleotides are such as adinine, thymine, guanine and cytosine.

Friedrich miescher discovered DNA in the year of 1860.Scientists have recently modified the bacteria that causes tooth decay by inserting a fragment of DNA into the bacteria's DNA that prevents it from producing lactic acid. The new DNA is called recombinant DNA.

The main function of DNA is to carry information from one generation to another generation this is the reason due to which DNA is also known information molecule.

In our body DNA is found in the nucleus of the cell and it is known as nuclear DNA.

The shape of DNA is double helical structure.Scientists have recently modified the bacteria that causes tooth decay by inserting a fragment of DNA into the bacteria's DNA that prevents it from producing lactic acid. The new DNA is called recombinant DNA.

Siblings share only about 50% of same DNA due to the reason of recombination.

The life span of DNA is 521 years.There are four nitrogen bases of DNA nucleotides are such as adinine, thymine, guanine and cytosine.

Learn more about DNA here:

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Answer:

Its A

Explanation:

Edge 2022

which of the following would not be considered a point source pollution contributor a. an animal feed lot b. cattle on rangeland c. a paper mill d. a slaughterhouse

Answers

The correct answer should beb. cattle on rangeland

Point source pollution contributors are any pollution contributors that can be pinpointed to a single location, and dispersed cattle on a rangeland is not it. A a paper mill or a feed lot or a slaughter house can easily be pinpointed.

Question 17 A dilute solution has _____ of solute in the solvent.

A)a large amount

B)a small amount

C)an unlimited amount

D)none of these

Answers

Answer:

A dilute solution has less amount of solute in the solvent. Therefore, the correct answer to the question is option B.  

Explanation:

A solution is defined as a mixture of the solute and solvent. The concentration of solution depends upon the solute as well as solvent. A solution is known as to be dilute when there is less amount of solute and more amount of solvent.

A solution is said to be consulted when there is more amount of solute and less amount of solvent. Therefore, we can see that concentration of the solution is dependent upon the solute amount. In a solution a solute is present in in little less amount as compared with the solvent.  
A. A large amount :)

What is the name for all physical material in the universe? A. Elements

B. Matter

C. Living

D. Carbon

Answers

its b I think -------------------------------
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