Alguien me puede dar ejemplos de plantas sin flor perjudiciales?

Assume that a student is given two different models of bacteria, with one model consisting of big bacteria and the other consisting of small bacteria. how can the student demonstate the theory of endosymbiosis using the models

Control of the body is accomplished by which of the following body systems? nervous system and circulatory system endocrine and repertory system circulatory and respiratory systems nervous system and endocrine systems

To sciences do not agree on which type of grocery bag is better for the environment what is most likely to come out come out of the disagreement