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Sergio [31]
2 years ago
14

Physiology Of Digestion Of Earthworm In Simple Word Of Mouth​

Biology
1 answer:
meriva2 years ago
4 0

Answer:

They do not have teeth. A liplike extension over the mouth helps direct food into the mouth, where the muscular pharynx (throat) grabs it, coats it with saliva and pushes it down the esophagus into the crop, where it is stored before moving on to the gizzard.

Explanation:

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A common column material used in size-exclusion chromatography is dextran, a polysaccharide of glucose. Which type of interactio
Yuliya22 [10]

Answer:

Hydrogen bonding

Explanation:

  • A hydrogen bond is a form of the electrostatic force of attraction which takes place between the hydrogen atom and a more electronegative atom such as nitrogen, fluorine, and oxygen. 
  • Hydrogen bond falls in the category of weak forces. 
  • In size-exclusion chromatography, the type of interaction that takes place between the proteins and dextran is hydrogen bonding. 
  • The hydrogen bonding is possible because dextran, being a polysaccharide of glucose has several hydroxyl groups and thus, they get involved in the hydrogen bonding. 
4 0
3 years ago
What forces the magma beneath to move?​
goblinko [34]

Answer:

pressure

Explanation:

the earth's tectonic plates create pressure to make the magma rise

6 0
3 years ago
Why do the cells need to divide
sergey [27]

Answer:

Cells divide so living things can grow. When organisms grow, it isn't because cells are getting larger. Organisms grow because cells are dividing to produce more and more cells.

5 0
3 years ago
Under which environmental condition would primary succession occur ​
astraxan [27]

Explanation:

Primary succession starts off with the modification of a previously unoccupied area along with increasing variation- this occurs in barren areas devoid of life like sand dunes, and lava flows. Communities in a primary succession include:

-barren rock

-bacteria and fungi

-mosses and lichen

Further Explanation:

Succession involves small scale changes within a community that occur repeatedly over the life of that community.

Ecological communities are highly dynamic- they gradually evolve. Typically their progression involves:

  • colonizing species exploiting uninhabited areas (Primary succession)
  • becoming a habitable and increasingly complex community
  • there is increased diversity of organisms (Secondary)

The makeup of biological communities is crucial to defining Primary and Secondary succession; eventually, through changes in this makeup, a steady-state or equilibrium is reached called a climax community. While Primary succession starts off with the modification of a previously unoccupied area along with increasing variation; secondary succession begins after major disruption in the community such as fires, storms and flooding.

However, the process of becoming a climax community can be pretty complicated- it is very dependent on other factors like temperature and rainfall. Communities that experience rapid change, frequent major disruptions and even human intervention, are less likely to attain a stable equilibrium and may never become climax communities.

Learn more about ecological succession at brainly.com/question/2456852

#LearnWithBrainly

8 0
3 years ago
If it takes 16.73 mL of a 0.253 M LiOH solution to neutralize10.00 mL of HBr, what is its concentration?
krek1111 [17]
The neutralization reaction is written as:

LiOH + HBr = LiBr + H2O

0.253 mol LiOH / L solution ( .01673 L solution ) ( 1 mol HBr / 1 mol LiOH ) = 4.233 x 10^-3 mol HBr

Concentration of HBr solution = <span>4.233 x 10^-3 mol HBr / .01 L solution = 0.423 M HBr solution</span>
5 0
3 years ago
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