Amembranes system of tubeles, vesicles and sacs in cells which may or may not have ribosomes attached is the nucleus chlorplast mitochondrial endoplasmic reticulum

Explain how paleontologists use trilobite fossils as index fossils for various geologic time periods.

What is the best conclusion based on this data? the hypothesis was not supported because the data indicated that fertilizing plants does not improve plant growth. the hypothesis was supported; to get the best growth, use 5 milliliters of fertilizer per plant. the hypothesis was not supported; the data indicated that too much fertilizer can inhibit plant growth. the hypothesis was supported; to get the best growth, use 15 milliliters of fertilizer per plant.

Approximately what wavelength of light is best absorbed by chlorophyll a