A teacher set up a demonstration with 5 fermentation flasks filled with the solutions listed below. She added 10 ml of yeast solution to each flask, and
students observed the flasks every 10 minutes for the rest of the class period.
What is the purpose of Flask 1 in this investigation?*

Which of the following is the most likely result of converting forestland to urban development? a.the amount of land available for lumber production decreases. b.fewer trees are needed because cities are made mainly of concrete. c.people discover more efficient ways to grow trees. d. the price of lumber goes down.

In what part of a chloroplast does glucose production occur? a. atp synthase b. photosystem ii c. photosystem d. stroma

The asian shore crab (hemigrapsus sanguineus) is an invasive species that has impacted the atlantic coast. predict what characteristic of this invader would most likely disrupt the biodiversity of this area.