Relaciona: ¿qué hacen las aves que no pueden hacer los otros animales? ¿Y las serpientess? ¿Y los grandes felinos? Concluye: ¿qué podria hacer el personaje con rasgos de ave, serpiente y felino? ¿Qué poder tenia?

Match the following terms describing electrical events with the correct phases of the cardiac cycle. the ventricular muscle cells depolarize at the start of this phase. during this phase, na+ entry through the funny channels causes the pacemaker potential of sa nodal cells to gradually become less negative until it reaches threshold. the ventricular muscle cells repolarize right before this phase. the cytosolic concentration of calcium in the contractile cells of the ventricle is highest during this phase. a. isovolumetric relaxation b. ventricular ejection c. isovolumetric contraction d. ventricular filling

Which kind of worm has a closed circulatory system? a planarian b fluke c pinworm d an earthworm

You want to cultivate some exotic plants at your farm. however, the climate is chillier than the temperature range favorable to the crop. which is the best method to use for the cultivation of this exotic crop? a. use a crop rotation method b. use a lot of fertilizer c. prepare the seed bed properly d. use a greenhouse e. use irrigation