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k0ka [10]
2 years ago
12

What does parent material refer to?

Biology
1 answer:
klio [65]2 years ago
7 0
Parent material is the geologic material from which soil horizons form. There are seven variations of parent material. Weathered Bedrock, Till, Outwash Deposit, Eolian Sand, Loess, Alluvium, and Local Overwash.
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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
3 years ago
Muscles that perform opposite actions to one another are termed ________.
IRISSAK [1]
Antagonists muscles (e.g. biceps and triceps brachii)
4 0
3 years ago
Two European men and two Polynesian women settled on a previously uninhabited tropical island. All four of the settlers have bro
kati45 [8]

Answer:

Two European men and two Polynesian women settled on a previously uninhabited tropical island. All four of the settlers have brown eyes, a dominant trait, but one of the Europeans is heterozygous and carries the recessive gene for blue eyes.  No new settlers arrive,and nobody leaves the island.After a few generations,the percentage of blue-eyed individuals increases from the original zero to 25 percent.This is probably due to which of the following factors?

genetic drift

Explanation:

Genetic drift entails when there are changes in the gene frequency which occur in a gene that is existing. From the analogy above, it is a known fact that only gneetic drift could allow such to happen as mutation will only occur with a sudden change of gene which is not the case described above

3 0
3 years ago
Earth is tilted at a 23.5 degree angle. Explain how this causes the equator to be hot and the poles to be cold.
Agata [3.3K]

Answer:

sunlight

Explanation:

at the angle the earth is at, sunlight hits the equator almost directly, as well as the equator being closer to the sun.

8 0
3 years ago
Organelles needed to form cilia flagella
jeka94

Centrioles. A basal body is a centriole, which is a cylinder-shaped structure composed of microtubules that in turn contain up to 13 protofilaments surrounding a hollow center. Basal bodies are the organelles needed to form cilia and flagella.{ The protofilaments are polymers of the protein tubulin.

6 0
3 years ago
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