Which tropism causes the roots of seedlings to grow downward? O A. Thigmotropism
B. Phototropism
C. Gravitropism
D. Hydrotropism

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Classify the structures as homologous or analogous, depending on their structure and function.

Which component in a graph indicates an independent factor? a. y-axis b. x-axis c. scale

Organelles found in plant cells that function through photosynthesis to produce glucose from carbon dioxide and water are called — question 21 options: chloroplasts guard cells photosynthons