1)in any food chain or web, the original source of energy is.
a)the sun.
b)earth.
c)the producers.

2)during photosynthesis is converted into energy
a)solar, usable chemical
b)light; kinetic
c)usable chemical; potential

3)what do we call the first organism in any food chain to get energy directly from a producer?
a)primary consumer
b)autotroph
c)plant

What best describes lactic acid fermentation?

Can someone pretty me with this ? it’s urgent.compare the three theories of emotion. here are the three theories of emotion. cannon-bard theory of emotion: the belief that both psychological arousal and emotional experience are produced stimultaneously ( at the same time) by the same nerve stimulus. james-lange theory of emotion: the belief that emotional experience is a reaction to bodily events occurring as a result of an external situation. ( “ i feel sad because i am crying.) schachter-singer theory of emotion: the belief that emotions are jointly determined by a nonspecific kind of psychological (bodily function) arousal and its interpretation, based on environmental ( natural surroundings) cues. which of these theories makes most sense to you? why. your response should be written using proper english spelling and grammar. and it needs to be 10 complete sentences.

Which statement best addresses the differences in sex cell differentiation between the red-eared slider turtle and a human?