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sineoko [7]
3 years ago
6

Discribe how a sedementary rock such as sandstone is formed

Biology
1 answer:
lilavasa [31]3 years ago
4 0
Sedimentary rocks are formedwhen sediment is deposited out of air, ice, wind, gravity, or water flows carrying the particles in suspension. This sediment is often formed when weathering and erosion break down a rockinto loose material in a source area.
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Canine teeth of human beings are called vestigial organs and archaeopteryx is called a bridge animal,why?​
Alexxandr [17]

Canine teeth are not as useful as it is in animals while archaeopteryx has the character of both birds and reptiles.

<h3>What are vestigial organs?</h3>

The vestigial organs are those organs that have no apparent function in the body which means that the body can do without them.

Examples of vestigial organs in the body are:

  • appendix

  • wisdom teeth

The canine teeth is a type of teeth in mammalian dentition and is said to be vestigial because man can do without it.

Archaeopteryx are animals that has the characteristics of both birds and reptiles because it bears wings like birds and has hands it uses to crawl like a reptile.

Learn more about vestigial organs here:

brainly.com/question/1350219

7 0
2 years ago
What is the correct order of events in the sliding filament theory of muscle contraction? 1. Myosin head binds to actin 2. Calci
valkas [14]

Answer:

The correct order is: 6) Sarcoplasmic reticulum releases calcium ions, 2) Calcium ions bind to troponin, 5) Tropomyosin moves to expose active sites of actin, 4) ATP is split into ADP and P, 1) Myosin head binds to actin, 7) ADP and P released from myosin, 3) Myosin cross-bridges bend, pulling actin toward center of sarcomere.

Explanation:

The ability to contract is an important property of the muscle cells and is fundamental to animals because muscles not only make locomotion possible but are also responsible for the correct functioning of organs (including the heart).

The mechanism behind muscle contraction is the sliding of filaments in a structure called sarcomere, which mostly involves the presence of actin and myosin filaments.

For muscle contraction to happen, there needs to be a <u>stimulus coming from the nerve that innervates said muscle</u>. This stimulus generates the release of <u>calcium ions</u> that will bind to a protein called troponin and will lead to the exposure of the active site of actin so it can bind to the myosin head. <u>This process requires ATP</u>.

7 0
3 years ago
When a cell with 24 chromosomes divides by mitotic cell division, the resulting daughter cells with each have a maximum chromoso
nydimaria [60]
It has a maximum number of 23 chromosomes
7 0
2 years ago
Genes are segments of DNA that determine the phenotype of an individual. Pea colors can be yellow or green. When two plants that
telo118 [61]

The answer to question 1 is A.

The answer to question 2 is C.

6 0
3 years ago
Read 2 more answers
How are organisms grouped?<br> A. By genus<br> B. By family<br> C. By species
goldenfox [79]

Answer:

The answer is option C.

By species

Hope this helps you

7 0
3 years ago
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