Andrew gathered several different species of seed plants. Which three characteristics do all the plants most likely have pollen and flowers: lack phloem
have pollen and thizoids, lack xylem
have xylem and phloem; lack polen
have xylem and phloem; lack rhizoids​

chromosomes carry the genetic information for organisms. also, chromatin is the thread like dna which is located in the nucleus of an organism.

✿   this landform has a high elevation and a high relief

✿   this landform is a mountain

where in your body is there an enzyme that does function at a high or low ph? what is the name of that enzyme and its function?