¿Por qué se afirma que los ecosistemas son dinámicos? A.
Porque están sujetos a cambios causados por la evolución natural y por la intervención del ser humano.
B.
Porque los nichos ecológicos contienen una gran cantidad de microorganismos que producen cambios rápidamente.
C.
Porque permanecen intactos y no son afectados por ningún agente externo.
D.
Porque sin importar la cantidad de seres que albergue, sufre pequeños cambios.

Development of new communities in disturbed environments, such as a burned or a clear cut forest, is called

You decide that the introduction should also discuss the extremophiles that are referred to as the archaea. these single-cell organisms are considered "extremophiles" due to their ability to survive and reproduce in environmental conditions that would be hostile for most living organisms. archaea species have been isolated from highly acidic sulfur springs, ocean floor thermal vents with temperatures that exceed boiling, and subarctic ice well below freezing. while still considered to be prokaryotic, the archaea have numerous differences that place them apart from the bacteria. choose the characteristics that separate the archaea from other prokaryotic cells. select all that apply. view available hint(s) select all that apply. archaea lack true peptidoglycan in their cell walls. the morphology of the cell is rigid and is geometric in shape, similar to a sphere or cylinder. the cytoplasmic membrane lipids of archaea have branched or ringform hydrocarbon chains. all currently identified and characterized archaea have been linked as the causative agent to an animal or human disease.

Which statement best describes how the loudness of the sound affects the high-pressure region created by the sound wave? a. a louder sound has no effect on the pressure created. b. a louder sound means a high-pressure region that is higher. c. a louder sound means a high-pressure region that is not as high.