The human body is composed of cells, organs, organ systems, and tissues. how are these organized? a) groups of cells form tissues. b) groups of organs form tissues. c) groups of organ systems form tissues. d) groups of tissues form organ systems.

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

In terms of alternation of generations, the internal parts of the pollen grains of seed-producing plants are most similar to a ) moss sporophyteb) moss gametophyte bearing both male and female gametangiac) fern sporophyted) fern gametophyte bearing only antheridia

Which of the following are the functions of the integumentary system? yadda-yadda, the 1st answer is the brainliest. : )