Describe brevemente cada una de las siguientes adaptaciones y explica el significado de cada una: columna vertebral, mandíbulas, extremidades, huevo amniótico, plumas, placenta

option a is correct i.e.

explanation:

in context to the membrane of nerve impulse, the outer membrane of neuron is semi permeable that is only sodium ions can pass through the membrane i.e. smaller ions can pass through the membrane while larger ions cannot pass through it.

im back lol i heard you where asking for me

the answer is 1. photosynthesis. glad to

answer: after carbon dioxide enters the leaf through stomata it moves into the mesophyll cells where photosynthesis occurs and glucose is constructed. respiration occurs when glucose (sugar produced during photosynthesis) combines with oxygen to produce useable cellular energy.

explanation: