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Anarel [89]
3 years ago
14

¿Qué se entiende por homeostasis?¿Por qué es importante que las condiciones internas permanezcan dentro de un rango constante? ¿

Qué ocurre si esto último no se cumple?
Biology
1 answer:
Kobotan [32]3 years ago
8 0

Answer:

La respuestas correctas son descritas en la sección de explicación

Explanation:

Homeostasis se define como un estado de relativa estabilidad dentro del medio interno de un organismo, teniendo composición y propiedades definidas dentro de un rango, las cuales deben ser cumplidas para asegurar el correcto funcionamiento del medio interno. Es precisamente el asegurar el correcto funcionamiento lo que hace importante que las condiciones internas permanezcan dentro de un rango constante. Por ejemplo, si la concentración de iones en la sangre es elevada las células pueden deshidratarse y encogerse hasta morir; o bien si la concentración de iones es baja las células pueden hincharse hasta explotar.

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Protists are very diverse, and many different classification schemes have been used to define relationships between the protists
andrey2020 [161]

Answer:

D. heterotrophic by ingestion, pseudopods

Explanation:

Protists are generally classified  as all eukaryotic organisms that are not plants, animals or fungi. Example is amoeba, paramecium etc.They may be unicellular or multi cellular in nature.Most exist in colonies.

Their mode of nutrition can be photosynthetic or hetrotrophic. Hetrotrophic  protists   can be divided into  phagotrophs and osmotrops/saprotrophs. The phagotrophs  makes use of the cell body to engulf the food materials as  in amoeba ,carry out extracellular digestion before swallowing it.

Osmotrops absorbed dissolved food from surrounding liquid environments directly. (Some photosynthetic protists can also be heterotrophic.

Amoeboid movement is the mode of locomotion of protists and some  other eukaryotes. It involved the protrusion of cytoplasm, which exert pressure on the cell membrane to form pseudopodia and  the posterioly  evolved  <u>Uropods. </u>

<u />

<u>  </u>

<u>Sol-gel theory has been proposed to expalin this movements, The ectopalsm of amoeba is gelly-like , while the endiplams is less viscpus   and said to be sol. The interchange of the cytoplasmic fluis between the endo-and ecto plasm gives the SOL-GEL propulsion of the protopalms for the amoebic moveemnts .</u>

<u />

<u>The false feet(psuedopodium) drags the amoeba  along in the direction of the flow of the cytoplasm.</u>

Therefore option D is  the right option

4 0
3 years ago
How does a beneficial trait increases an organism's survival and potential reproductive success.
Serggg [28]

Answer:

This cumbersome trait significantly decreases the male's chances of survival. ... natural selection: that is, that organisms better adapted to their environment would benefit from ... the individual's reproductive success, even at the expense of their survival (Darwin 1871). ... A successful male can potentially sire many offspring.

Explanation:

6 0
2 years ago
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user100 [1]

A. Bacteria would be your answer

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dimaraw [331]
Hunting is regulated because plants still need to be eaten by the deer. if they arent, a plant species grows uncontrollably and kills off other plants.
3 0
3 years ago
What are the impacts of human beings on biodiversity ?​
Molodets [167]
<h2><em>★</em><em> </em><em>«</em><em>What are the impacts of human beings on biodiversity ?</em><em> </em><em>»</em><em> </em><em>★</em></h2>

  • <em>destruction, degradation and fragmentation of habitats. reduction of individual survival and reproductive rates through exploitation, pollution and introduction of alien species.</em>

<h2><em>hope</em><em> it</em><em> helps</em><em>!</em></h2>
5 0
2 years ago
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