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jeka94
3 years ago
14

Defintion of biodiversity

Biology
2 answers:
klio [65]3 years ago
5 0

Answer:

the different kind of living organisms in a habitat or ecosystem

Explanation:

I hope this helps, I learned this when I was a freshman so almost two years ago but it  might be the same.

Alex787 [66]3 years ago
3 0

Answer:

the variety of life in the world or in a particular habitat or ecosystem.

Explanation:

Hope this will help

Stay Safe

if correct feel free to give me the brainiest it would be appreciated

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Brine shrimp live in salt water, but the level of salt in the water where they reside can differ dramatically from day to day or
Naily [24]

Answer:

The correct answer is "excretes; hypotonic; absorbs, hypertonic".

Explanation:

Cell's homeostasis is only conserved in an isotonic solution, since cells that are in an hypertonic solution (high salt concentration) tend to loss water, and in hypotonic solution (low salt concentration) tend to absorb water. Brine shrimp lives in waters that are both, hypertonic and hypotonic and has adapted to overcome this issue by excreting and absorbing salt across its gills. In very high salt concentrations, a brine shrimp "excretes" salt across its gills and maintains an internal salt concentration that is "hypotonic" relative to the water where it lives. In lower salt concentrations, a brine shrimp "absorbs" salt water across its gills and maintains an internal salt concentration that is "hypertonic" relative to the water where it lives.

8 0
3 years ago
En los alérgicos, a partir del segundo contacto con el alérgeno cuando se produce la reacción alérgica. ¿Cómo podrías explicarlo
dem82 [27]

Answer:

La segunda exposición desencadena la fase de 'respuesta' asociada a la reacción alérgica  

Explanation:

La alergia se puede considerar como una respuesta desmedida del sistema inmune cuando un individuo entra en contacto con ciertas sustancias que son inocuas para la mayoría de la población, pero que en personas alérgicas desencadenan fuertes reacciones de hipersensibilidad. La alergia tiene dos fases conocidas como fase de sensibilización y fase de respuesta. La primera fase de sensibilización es donde el individuo entra en contacto con los 'antígenos' del alérgeno, lo cual provoca que el individuo genere anticuerpos IgE los cuales combaten al alérgeno (el sistema inmune considera que esta sustancia es potencialmente dañina), mediante la generación de anticuerpos de IgE que se unen a receptores de células del sistema inmune (eosinófilos, basófilos y mastocitos). La segunda fase de respuesta se produce cuando el individuo entra de nuevo en contacto con el alérgeno. Durante el segundo contacto, los antígenos del alérgeno interactúan con anticuerpos específicos de IgE que se encuentran sobre la superficie de células del sistema inmune, desencadenando la degranulación de estas células (mastocitos) y la consecuente liberación de mediadores químicos de la alergia tales como, por ejemplo, histamina, los cuales son responsable de los síntomas típicos de la alergia (tos, estornudos, picor, enrojecimiento de ojos, urticaria, inflamación, etc.).

4 0
2 years ago
50 POINTS <3
melisa1 [442]

Independent Variable: Scenarios (such as different times of the day or places) used to check if a person will become depressed or not.

Dependent Variable: Number of people diagnosed with depression.

Constant: Amount of people who do not understand depression.

Control: How your setting can impact mood and performance.

3 0
3 years ago
Why do atoms form bonds with each other?
andreyandreev [35.5K]

Answer:

g

Explanation:

8 0
3 years ago
When was oxygen first produced?
Wewaii [24]

Answer:

2.45 billion years ago

Explanation:

3 0
3 years ago
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