Which process occurs when a seed begins sending a root down into the soil and a stem above the ground?
A. Pollination
B. Dispersal
C. Fertilization
D. Germination

Which statement is true about the cell theory? a) it is well-supported by evidence. b) it is unchangeable and permanent.

Chlorophyll is found in plant leaves and absorbs light from the sun to enable plants to perform photosynthesis. magnesium is an important component of chlorophyll. the concentration of magnesium ions is higher in the root-hair cells of plants than in the soil. which mechanism of ion uptake would best enable a plant to produce a steady supply of chlorophyll? osmosis diffusion passive transport active transport

What are tissues? a groups of tissues that work together b basic units of structure and function c groups of cells that perform the same function d multiple organs that perform a major function