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

How is mitosis different in plants and animals? a. in animals, the cell membrane pinches together. b. in plants, the dna is one circular chromosomes. c. in plants, there are no sister chromatids. d. in animals, a new cell wall forms.

I’m stuck on this question cuz i’m stupid sksksksk

Define the apical impulse and describe its normal location, size, and duration. which abnormal conditions may affect the location of the apical impulse? explain the mechanism producing normal first and second heart sounds. describe the effect of respiration on the heart sounds. describe the characteristics of the first heart sound and its intensity at the apex of the heart and at the base. describe the characteristics of the second heart sound and its intensity at the apex of the heart and at the base.