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spin [16.1K]
3 years ago
13

1. Explain how P- and S-waves are different.

Biology
1 answer:
yaroslaw [1]3 years ago
3 0

Answer: P waves can only travel through any kind of material, S waves can only travel through solids, tha are stopped by gases.

Explanation:

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Flatworms are the first organisms we have discussed with an anterior-posterior orientation. How does this affect their movement
Talja [164]
<h2>Anterior-posterior orientation</h2>

Explanation:

Flatworms have an anterior-posterior orientation and as a result more coordinated and deliberate movement is established  

  • Flatworms also called Platyhelminthes are a phylum of relatively simple soft-bodied invertebrate animals
  • They are the largest phylum of acoelomates and are found in marine,freshwater and even in some damp terrestrial environments
  • Movement in some flatworms is controlled by longitudinal,circular and oblique layers of muscle
  • Flatworms anterior end helps in moving towards their food while the posterior end ensures that these organisms walk away from irritants

                                   

6 0
3 years ago
Which chromosomal defect is caused when part of a chromosome breaks off and reattaches backward on the same chromosome?
alisha [4.7K]

Answer:

Translocation

Explanation:

Translocation is a chromosomal defect in which part of a chromosome breaks off and reattaches backward on the same chromosome.

Translocation can happen due to many reasons like:

A) Some of the changes that arise around the time of conception  or production of sperm or egg.

B) The inheritance of altered chromosome from father or mother.

Translocations can be divided into two forms:

  • Reciprocal translocation
  • Robertsonian translocation.

In reciprocal translocations,  fragments of two chromosomes break off from two different places, break and swap each other's segments. While in  Robertsonian translocation one chromosome attached with other.

Hope it help!

5 0
3 years ago
Read 2 more answers
How could a hypothesis become a theory
lisov135 [29]

Answer:

A scientific hypothesis can become a theory if the hypothesis is tested extensively and competing hypotheses are eliminated.

Explanation:

So yeah if you have a lot of evidence and it is tested mutiple times it consider a theory.

7 0
3 years ago
What is the term for the separation of genetic material of a cell into two daughter cells?
Paladinen [302]
Idk honestly need more information
4 0
3 years ago
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Can gel electrophoresis sort other types of molecules other than DNA
Maurinko [17]
Yes. proteins, RNA, etc.
7 0
3 years ago
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