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IceJOKER [234]
3 years ago
7

What do many scholars believe the stone again and some of its surrounding elements were built reflect movements of

Biology
1 answer:
Musya8 [376]3 years ago
3 0

Answer:

They reflect the movements of the sun.

Explanation:

If you are talking about Stonehenge, it is believed that the stones are arranged according to the movement of the sun in the winter and summer solisticios. It is also believed that the arrangement of the stones is related to religious rituals, which celebrated union between humanity, religious dominance and the knowledge of the stars.

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Si se aparean especies diferentes como por ejemplo el cruce entre caballos y burros; podemos afirmar que si llegan a tener desce
White raven [17]

Answer:

El híbrido va a ser esteril.

Explanation:

En la cruza entre dos especies distintas, cuando ocurre, existen distintos mecanismos de aislamiento reproductivo, que son barreras que inhiben o interrumpen el flujo génico entre especies distintas. Es decir que no habrá exito reproductivo de estas cruzas. Se trata de caracteres biológicos propios de cada especie que previenen la reproducción con otras especies.

Estos mecanismos de aislamiento reproductivo pueden ser precigóticos o postcigóticos.  

  1.Pre-copulatorios o pre-cigóticos:

  • Ecológico o por aislamiento de hábitat;
  • Estacional o temporal;
  • Sexual o etológico;
  • Mecánico;
  • Por incompatibilidad de gametas.  

  2. Post-copulatorios o cigóticos:

  • Inviabilidad del híbrido;
  • Esterilidad del híbrido;
  • Híbrido con viabilidad o fertilidad disminuido;
  • Interacciones citoplasmáticas.

La mula es producto de la cruza entre dos especies distintas: una yegua (Equus ferus caballus) y un burro (Equus africanus asinus). Es un ejemplo de la accion de mecanismo poscigótico, en el cual se forma un híbrido viable esteril. Este ejemplar puede nacer, crecer y sobrevivir, pero que no puede producir gametas funcionales, por lo cual no puede reproducirse.  

7 0
3 years ago
Which organelle helps to make proteins and may be found free floating or attached to the endoplasmic
Juliette [100K]
The ribosomes
they attach to rough endoplasmic  reticulum
7 0
3 years ago
The majority of animals on earth are classified as what type of animal?VertebrateMammalRadial symmetricInvertebrate
anygoal [31]

Majority of animals on earth are classified as invertebrates. They are the cold-blooded animal that do not have a backbone. They can be found on land or water. 98% are invertebrates while 2% are vertebrates.

Mammals are vertebrates and humans are the most common mammals on Earth. Radial symmetric does not possess left and right sides. An example is a jellyfish.

Answer - Option 4 - Invertebrate

6 0
1 year ago
Essay Item Chapter 13: Homeostasis and Human Urinary System (I)
ra1l [238]

Answer:

Adrenaline

Explanation:

The adrenaline glands, located on top of both kidneys, are glands that produce hormones to regulate blood pressure, bodily functions, metabolisms, etc. Adrenaline is released whenever the blood is redirected towards the muscles, causing surges of energy. In general, adrenaline increases blood flow in your body, which causes the heartbeat to increase, or give the feeling of a racing heart. Between the football players and the heartbeat rate, they are getting rushes of adrenaline from either participating in the game or cheering on their team from the sidelines. Hope that made sense.

7 0
3 years ago
What we call the people/person who make medicine​
Zepler [3.9K]

Pharmacists are health professionals who practice in the field of pharmacy, a field of health science that focuses on the use of drugs that are safe and effective.

Explanation:

1. Pharmacists are members of the health care team who are directly involved with patient care. Pharmacists undergo university-level education to understand the biochemical mechanisms and actions of drugs, users, the role of therapeutics, side effects, potential drug interactions, and monitoring parameters.

Learn More:

  1. Pharmacist  brainly.com/question/14005511
  2. why health is important brainly.com/question/1108806

Details :

Grade : MIddle School

Subject : Biology

Keyword : Pharmacist, Health

7 0
3 years ago
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