A que es debida la diferencia de color entre la sangre arterial y la venosa

Where would you expect to see seedless plants, such as ferns and mosses? a. in a botanical museum, because they are all extinct b. low and close to the ground in a moist environment c. climbing high while circling the branches of another plant d. deeply rooted in a forest with a trunk that reaches 20 meters or more

Which example would the nurse consider to be a part of systems thinking theory?

Which animal is a producer in this ecosystem