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vekshin1
2 years ago
11

List several causes of biodiversity loss.

Biology
1 answer:
Tasya [4]2 years ago
8 0

Answer:

Biodiversity is the different types of living organism found in this earth. The biodiversity is getting extinct due to the natural and human calamity.

Habitat loss and fragmentation: The excessive loss of trees due to urbanization and deforestation, species has lost their habitat and become extinct.

Over-exploitation: The over-exploitation of the natural resources has directly result in the biodiversity loss of plants and animals.

Pollution: The different types of air pollution, water pollution and noise pollution has damaged the large number of organisms on earth.

Invasive species: The introduction of alien species in the environment can cause the deterioration of the original species inhabiting in the environment.

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Which best matches a list that a scientist would make to describe a forest system
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Different types of animals and plants, and the forest soil

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What is meant by Space Florida's catch phrase, "Everyone can be an astronaut"? Check all that apply.
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A,C,D are the correct answers

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3 years ago
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En el hombre el color negro de los ojos “A” domina sobre el color azul “a” Una pareja en la que el hombre tiene los ojos negros
umka21 [38]

Las respuestas a estas preguntas son:

a) Genotipo del padre Aa (ojos negros)

b) Cruzamiento: Aa (padre) x aa (madre)

c) Frecuencias genotípicas esperadas: 1/2 Aa; 1/2 aa  

En genética, dominancia completa se refiere al proceso  de herencia en la cual un individuo heterocigota, es decir, el individuo que presenta dos alelos diferentes para el mismo gen, presenta el mismo fenotipo que un individuo homo-cigota para el alelo dominante (el alelo dominante es aquel que enmascara la expresión del alelo recesivo en individuos heterocigotas).

En este caso, el carácter 'color de ojos' presenta un patrón de herencia monogénica, donde el alelo 'A' dominante codifica para el rasgo fenotípico ojos negros, mientras que el alelo 'a' recesivo codifica para el rasgo fenotípico ojos azules.  

En el ejemplo, la pareja tuvo progenie en la cual uno de los hijos presenta el rasgo recesivo ojos claros, con lo cual el padre debe ser heterocigota y poseer un alelo recesivo 'a'; mientras que la madre expresa el fenotipo recesivo y por lo tanto su genotipo es 'aa'. En consecuencia, el cruzamiento de un padre heterozigota 'Aa' con una madre homo-cigota recesivo 'aa' producirá una descendencia con una frecuencia genotípica esperada de 1/2 (50%) de hijos con ojos 'color negro' de genotipo Aa y 1/2 (50%) de hijos con ojos 'color celelste' de genotipo aa >>

Cruzamiento: Aa (padre) x aa (madre)

Gametos padre: 1/2 A; 1/2 a

Gametos madre: 100% a

Cuadro de Punett (combinaciones gaméticas):

                  A           a

a               Aa          aa

a               Aa          aa

En consecuencia,  este cruzamiento producirá 50% individuos ojos color negro (genotipo Aa) y 50% individuos con ojos color celelste (genotipo aa)

Podés encontrar más información sobre este tema en:

brainly.com/question/22398195?referrer=searchResults

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2 years ago
The equator is at what degree latitude
Ksenya-84 [330]

Zero degrees latitude is the line designating the Equator and divides the Earth into two equal hemispheres (north and south).

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3 years ago
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