In order to prevent the development of lycopod sporangia, sporophylls structures should be removed.
A leaf that generates spores is called a sporophyll. Sporophylls are a type of diploid sporophyte that produce spores that, upon germination, will give rise to haploid gametophytes. In sporangia, which can appear in a variety of shapes in diverse plant species, the spores are born. The sporophylls themselves differ significantly in terms of both structure and appearance, and they may or may not resemble trophophylls, which are leaves that only perform photosynthesis to create carbohydrates and never spores. Sporophylls and trophophylls are both green and photosynthesize in more primitive plants like lycophytes and ferns, and they typically resemble one another quite a bit. The sporophylls and trophophylls of certain unusually primitive plants, like Equisetum, as well as more evolved plants, such seed plants, are quite distinct from.
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Dutch researcher Geert Hofstede identified four cultural dimensions by studying data on IBM employees from dozens of countries.
The original theory has four dimensions along which cultural values identified as:
- individualism-collectivism
- uncertainty avoidance
- power distance in social hierarchy
- masculinity-femininity
Hofstede's theory is used to understand the differences in cultures round the globe. He started this model on the basis of dissimilarities in values and beliefs relating work goals. The aim of this model was to determine the dimensions in which cultures vary from each other . It is important because it gives useful information regarding variances between countries' culture, values and beliefs and how to manage such cultural differences".
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Answer:
Junto con el lenguaje, el parentesco es sin duda la principal institución humana, que constituye nuestra principal diferencia específica con las demás especies animales. Las otras también se comunican y se aparean, pero sólo los seres humanos decimos "no" (principal característica del lenguaje) y sólo nosotros, al emparejarnos (lo que implica decir no a las parejas prohibidas por el tabú del incesto), contraemos alianzas con otras familias, reforzando y ampliando nuestras redes de parentesco: es la regla de exogamia que fundamenta el orden social. Valga esta simplista generalización para introducir mi comentario a este gran libro que describe la transformación de las redes españolas de parentesco, como creadoras y reproductoras de los órdenes institucionales (asentamientos de la población, organizaciones económicas, regímenes políticos, representaciones culturales, etcétera) que se han venido sucediendo sobre el territorio español. Una empresa tan ambiciosa que amenazaba con resultar fallida, pero que viene a suponer un indudable progreso respecto a los escasos precedentes con que contábamos: la monografía de David Reher La familia en España. Pasado y presente (Alianza, 1996) y La historia de la familia en la península Ibérica (UCLM, 2008) compilado por Francisco García González (que también firma aquí uno de los mejores capítulos).
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Answer:
Literature and theater were vital aspects of Greek society, and contemporary drama was inspired by them. Greek art and architecture is renowned for their sophistication. The Roman Empire and many other civilizations were inspired by Greek society, and it continues to influence western cultures today. The administration of the United States is complicated. Democracy, in which the people have supreme authority, is an important tenet of this structure. The Greeks are also credited with establishing a representative government that influenced the United States' system.
Explanation:
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Answer:
Concrete operational stage
Explanation:
The concrete operational stage is the third stage of Piaget's theory of cognitive development, predating the formal operational stage (12 and above) and arriving after the preoperational stage (2-7 years old). During this stage, children are able to make logical conclusions in terms of the things they can experience with their senses. Some examples would be noticing that rain comes down from the sky, which is a form of inductive thinking.
However, children at this age group are not yet able to think in a more abstract manner - which is why their deductive thinking abilities are not yet as well-refined as its inductive thinking ones.
