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dolphi86 [110]
3 years ago
14

Which of the following is a bacterium?

Biology
2 answers:
lilavasa [31]3 years ago
5 0
I think it’s c because that looks like a prokaryotic cell
andrezito [222]3 years ago
4 0
A and b are cells so they definitely are not bacterium so c and d are bacterium I think. Your welcom.
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Cheetahs catch prey by being very fast. Same cheetahs are fast than others and catch more pray. Slower cheetahs do not get enoug
ASHA 777 [7]

Answer: Survival of the Fittest

Explanation:

While the slower cheetahs may have the same genetic code, the work that they put out is what is represented.

The faster cheetah is willing to push itself further and will catch the prey more likely.

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2 years ago
Small pieces of the Earth’s crust that float on the liquid mantle are called
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Im pretty sure the answer is <span>plates.. Hope this helps ::))</span>
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2 years ago
About an hour or so after a sperm enters the ovum, these two cells suddenly fuse, becoming one cell called __________.
raketka [301]

Answer:

A cell that results from the fusion of sperm and ovum is called a zygote. The process of fusion of sperm and ovum is called fertilization.

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2 years ago
Nuestro planeta esta habitada por numerosas ____, muchas de ellas extendidas en grandes y diversas zonas. Sin embargo, existen e
FinnZ [79.3K]

Answer:

Nuestro planeta esta habitada por numerosas <em>especies</em>, muchas de ellas extendidas en grandes y diversas zonas. Sin embargo, existen especies que habitan una sola <em>área/región</em> con características<em> ambientales</em> únicas para su desarrollo.

Explanation:  

Entre las miles de especies que habitan el planeta, muchas de ellas pueden estar ampliamente distribuidas, mostrando adaptaciones a una gran variedad de ambientes y hábitats, mientras que muchas otras solo se encuentran restringidas a determinadas areas o regiones particulares que presentan condiciones ambientales determinadas. Esta diferencia en distribución esta muy relacionada a la historia de la especie,  a la edad de la misma sobre la tierra, adaptaciones a los ambientes y capacidades reproductivas y de dispersión.

Dentro de la clasificación de especies de acuerdo a su distribución, podemos mencionar a las especies

  • nativas: aquellas que habitan y se distribuyen las áreas naturales donde se originaron,
  • endemicas: entran dentro del concepto de nativas, pero a parte se caracterizan por habitar <u><em>unicamente</em></u><em> una región en particular debido a las condiciones ambientales</em> que les son propicias para su desarrollo. Estas especies no pueden trasladarse a otras regiones.
  • exoticas: aquellas especies que salen de su area natural de distribución para habitar otras areas mas lejanas. Allí pueden establecerse e interactuar con especies nativas sin causar grandes daños.
  • invasoras: especies exoticas que llegan a otras areas, que se establecen y que tienen la capacidad de reproducirse a una tasa superior a la de las especies nativas, invadiendolas y desplazandolas. Interactuan con las especies nativas y causan daños importantes.

Los términos nativos, endemicos, exóticos son <em>relativos al área a la que se esté haciendo alusión</em>: un continente, un país, una región o un bioma.

5 0
2 years ago
When the activities of a cell, tissue, organ, or system change automatically due to environmental variation, the homeostatic mec
djverab [1.8K]

Answer:

Autoregulation

Explanation:

When the activities of a cell, tissue, organ, or system change automatically due to environmental variation, the homeostatic mechanism that operates is called autoregulation.

Autoregulation is a method of controlling the local blood circulation. It is characterized as an organ's inherent capacity to sustain a standard blood flow, given changes in the pressure of the perfusion.

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3 years ago
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