9 Which process is an example of facilitated transport?
AA carrier protein moves water across the cell membrane against the concentration gradient.
B A protein embedded in the cell membrane allows glucose to move to a region of lower concentration.
Waste materials from cellular processes are moved to a region of higher concentration outside the cell.
The cell membrane wraps around a large molecule and forms a a vesicle that takes the molecule into the cytoplasm.

What claim did thorne make? what evidence supported his claim?

Apopulation has 1000 individuals. over a period of 1 year, 500 newindividuals are born. which equation shows how to calculate the birthrate ofthis population? a. 500 - 1000 = 0.5b. 1000 x 0.5 = 500c. 1000 - 500 = 2d. 1000 + 500 = 1500

This is a typical grassland food web. it is also a small picture of an important cycle on earth: the carbon cycle. describe how the carbon gets into this food web. a) bacteria and fungi, the decomposers, recycle carbon from dead organisms. b) carbon is found in the grass and is passed from one level to the next in this food web. eliminate c) all living things give off carbon dioxide as a by-product of respiration and it is released into the atmosphere. d) plants use carbon dioxide as a reactant in photosynthesis, to make usable chemical energy in the form of a sugar.