Pea plants usually reproduce by
(a) self-pollination.
(b) cross-pollination.
(c) test-crossing.
(d) coning

Which strategy is an example of how companies may upgrade themselves to meet changing customer preferences? a.doing door-to-door sellingb.using billboards to advertise the productsc. making online shopping services availabled.giving discounts on products

What are the doorways into and out of cells, attached to the membrane, and built in the rough er.

1. describe the structure and function of the specialized cells you observed in the video. 2. research the types of cells present in the kidney.