Los protonefridios están constituidos por unos conductos que se comunican con una red de tubos que se ramifican por todo el cuerpo del animal hasta desembocar en dos tipos de células especializadas: las células flamígeras y los solenocitos. ¿Cuál es la diferencia entre estas dos células?

Chlorophyll is found in plant leaves and absorbs light from the sun to enable plants to perform photosynthesis. magnesium is an important component of chlorophyll. the concentration of magnesium ions is higher in the root-hair cells of plants than in the soil. which mechanism of ion uptake would best enable a plant to produce a steady supply of chlorophyll? osmosis diffusion passive transport active transport

2polhiswhere is the energy in a glucose molecule stored? ooa. inside the carbon atomsb. inside the protonsc. in the bonds between the atomsood. inside the hydrogen atoms

Two critical interventions to turn around the opioid crises are: