Which type of tissue forms the woody portion of a sycamore tree? secondary phloem
secondary xylem
primary xylem
primary phloem

One of the purposes of transcription is to produce a sequence of bases that

How does the diagram explain ocean currents? earth tilt 23.5 degreesquestion 1 options: earth's tilt causes uneven heating of earth which causes currents.earth's tilt causes the ocean to move because of gravity.earth's tilt and its rotation cause currents.earth's tilt causes uneven distribution of salt which causes currents.

During binary fission, what events must occur before the cell splits into two new cells?