El sistema (1) participa en la integración de diferentes funciones corporales, está integrado por (2) que se forman a partir de tejido epitelial, sus mensajeros son las (3) . * a- 1. Endócrino; 2. Glándulas exócrinas; 3. Neuronas
b- 1. Circulatorio; 2. Venas y arterias; 3. Células sanguíneas
c- 1. Endócrino; 2. Glándulas endócrinas; 3. Hormonas
1d- . Nervioso; 2. Encéfalo y médula espinal; 3. Neuronas

The leopard frog and the pickerel frog are two closely related species. in areas where their ranges overlap, the frogs will remain separate species if they

Hydrilla (hydrilla verticillata) is an invasive aquatic plant and one of the most serious aquatic pests in florida. hydrilla has already been introduced to hundreds of bodies of water throughout florida, hydrilla is difficult to control because it grows rapidly and survives in many different water depths and conditions. hydrilla • describe how hydrilla affects native plant and animal species. include both a biotic and an abiotic limiting factor. • suggest one biotic and one abiotic recommendation that could slow the spread of hydrilla

(select all the correct choose each statement that is scientific. - the opinions of randomly selected participants in a survey prove the idea that global temperatures are not increasing on earth. - the universe's average temperature and rate of expansion support the idea that it began as one super-dense and hot mass 13.8 billion years ago. - ocean tides are caused by the uneven gravitational pulls of the moon and sun on different parts of earth. - human life is more valuable than other forms of life on earth because humans are more intelligent than other organisms.