Which of the choices below is the best comparison of competition with predation?

in competition, one organism benefits at the expense of another. in predation, the predator always benefits while the prey organism is always harmed.
in competition, organisms compete directly or indirectly for space or resources. in predation, one organism directly consumes another.
in predation, both organisms must be in physical contact. this is always true for competition as well.
in predation, one organism benefits and the other is harmed. this is always true of competition as well.

In competition, organisms compete directly or indirectly for space or resources. In predation, one organism directly consumes another.

Explanation:

Competition is a phenomena in which two species which have typically the same niche usually compete for the same resource. In this usually the stronger species is capable of obtaining the resources and other does not. On the other hand, in case of the predation, the two species does not have the same niche and one species is usually inferior over the other. Thereby, the stronger species consumes the weaker one.

On the basis of this description, In competition, organisms compete directly or indirectly for space or resources. In predation, one organism directly consumes another. is the correct option.

which are post-impressionist paintings? check all that apply?

explanation:

post-impressionism is a predominantly french art movement that developed roughly between 1886 and 1905, from the last impressionist exhibition to the birth of fauvism. post-impressionism emerged as a reaction against impressionists' concern for the naturalistic depiction of light and color.

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micro/nanoscale topography surface exhibits many prominent properties and is extensively employed in biomedical device, microfluidic device and energy device fabrication. additionally, the clinical applications of biomaterials can be largely expanded with of nanostructured surfaces.