Answer:
Nombrado como la formación media del grupo La Plata para Todilto Park, T20N, R20W, McKinley Co, NM en la cuenca de San Juan. No se ha designado ninguna localidad tipo. Tapas de piedra arenisca Wingate. Es más antiguo que la piedra arenisca de Navajo. Varía de 2 a 200 pies de espesor. Dos secciones medidas. Mapa geológico. Mapeado en Apache contiguo y Navajo Cos, AZ en la cuenca de Black Mesa. Consiste en piedra caliza azul grisácea, densa y resistente cubierta y sustentada por arenisca calcárea blanca en una localidad de Apache Co, y de conglomerado de piedra caliza separada por lutitas calcáreas y lechos de arenisca en Navajo Co. El contacto de Navajo-Todilto suele conformarse. Fragmentos bien gastados de sílex negro, gris y blanco que se encuentran cerca de la parte superior en cantidades suficientes para formar bandas irregulares incrustadas en la piedra caliza. La parte media de La Plata (¿Todilto?) Se engrosa hacia el norte y se encuentran cambios en esa más arenisca y pizarra. Huellas de dinosaurios encontradas en dos localidades. Asignado a Jurassic.
Explanation:
The denser plate
Explanation:
When two plates forms a subduction zone, the denser plate will subduct and dive into the underlying mantle below.
Subduction zone occurs along a convergent margin when two plates of different densities collides.
- When two plates of different densities collides, the denser plates subduct.
- This is because the density of the mantle below is less than its own density.
- Most times, oceanic plates usually subduct during plate convergence.
- Oceanic plates are denser compared to continental plates.
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By ball bearing, lubrication, polishing, adding grease etc
Factors that affect natural selection include variability among all, reproduction and heredity.because the genetic variability of these species may express genes that are not conducive to the evolution of the species
<h3>What factors affect natural selection?</h3>
For natural selection to occur, there are some factors:
- variability among all
- reproduction
- and heredity.
Variability between substances: Organisms of the same species have variations in their characteristics.
With this information, we can conclude that factors that affect natural selection include variability among all, reproduction and heredity.
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Answer: The genotype ratio is 2Ff : 2ff
The phenotype ratio is two normal feathered birds to two silky feathered birds.
Explanation: Let F represent the gene for normal feather and f represent the gene for silky feather. F is dominant while f is recessive, therefore a male that is hybrid for trait of normal feather is heterozygous and will have a genotype of Ff, a female that is homozygous for silky feather will have a genotype of ff.
A cross between Ff and ff will yield 2Ff birds and 2ff birds. Since F is dominant, a bird having genotype of Ff will manifest outwardly as blue feathered birds while ff will manifest outwardly as silky feathered birds because f is recessive and must occur in a homozygous condition in order to manifest phenotypically. Therefore, the genotype ratio is 2Ff: 2ff.
See the punnett square attached for more information
