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aleksley [76]
3 years ago
11

Name three arthropod head appendages and their functions

Biology
1 answer:
denis-greek [22]3 years ago
6 0
<em>Structure and Function of ArthropodsArthropods range in length from about 1 millimeter to 4 meters (about 13 feet). They have a segmented body with a hard exoskeleton. They also have jointed appendages. The body segments are the head, thorax, and abdomen. </em><span><em> In some arthropods, the head and thorax are joined together as a cephalothorax.</em></span>
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What do the rib muscles and diaphragm have in common?
Hatshy [7]

Answer:

Both are breathing muscles

Explanation:

When rib muscles and the diaphragm contract they increase the volume of the chest cavity, increasing the air pressure outside the body, causing air to rush into the lungs to fill the vacuum created by the increase in volume.

3 0
2 years ago
Of the answers below, what is the smallest nucleotide sequence that could code for a protein with 300 amino acids?
ololo11 [35]
The nucleotide sequence would have to have 900 nucleotides in order to code for a protein of 300 amino acids. When translating RNA into proteins, RNA is read 3 bases at a time. Each group of 3 bases is a codon, and each codon codes for an amino acid. When read, the proper amino acid is added to a growing chain of amino acids, which will be folded to become a protein.

Therefore, 300 amino acids * 3 nucleotides per amino acid = 900 nucleotides.
6 0
3 years ago
__________ rejects the ideas of individual freedom and equality, instead arguing that hierarchies of superior and inferior are i
KatRina [158]

Answer:  <u>Fascism</u> rejects the ideas of individual freedom and equality, instead arguing that hierarchies of superior and inferior are inherent in all human relationships.

Explanation:  

Government that plays a role like a one party dictatorship followed fascism. In fascism nation's rights come before the rights of an individual. Countries that followed fascism run by a centralized government headed by a dictator. Fascists governments try to control all aspects of life including work, school,social and family life etc. Fascism is much common and practiced ideology around the time of world war 2. Large numbers of people were killed, who either didn't like or oppose fascism. And even many people were killed in the war initiated by fascist governments.  

3 0
3 years ago
What is speciation?​
lorasvet [3.4K]

Answer:

speciation is when one species splits off into multiple species.

In-depth answer:

Speciation can happen in 4 different ways, the first being Allopatric Speciation, where 2 groups of the same species are physically separated for extended periods of time, and when they're re-introduced, they don't breed.

Sympatric Speciation is when 2 groups of the same species aren't seperated, but form different behaviors that isolate them reproductively (the groups wont inter-breed)

Parapatric Speciation is when 2 groups of the same species are suddenly placed into a new environmental niche, and adapt in different ways to fill that niche.

Quantum Speciation is much less recognized, but it's when a new species rapidly evolves and 'buds off' from the original group

7 0
3 years ago
Oxygen has six electrons in its outer shell. As a result, oxygen can form up to _____ bonds with other elements.
Pie
The answer is 2 bonds
6 0
3 years ago
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