Answer:
Tissue - cardiac muscle
Organ -heart
Organ system - circulatory system
Organism*addition- human body
Explanation:
If it is Not 3-4 Then it should be 2-1!
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The odds that red (BB) and blue (bb) flowers will occur in the second generation is D which is <span> 25% red flowers; 25% blue flowers</span>
Pigments absorb light used in photosynthesis.Set of wavelengths that a pigment doesn't absorb are reflected.