Facilitated diffusion allows certain kinds of compounds that are normally blocked by the cell membrane to cross the cell membrane. All of the following are examples of compounds that move by facilitated diffusion except

The diffusion of water through a selectively permeable membrane, such as the plasma membrane

Facilitated diffusion move substances across the membrane with the aid of:

Which substances may pass through a cell membrane by simple diffusion?

What direction do solutions always move across a semi-permeable membrane during diffusion?

The movement of particles through proteins in the cell membrane against the normal direction of diffusion is called ___.

During diffusion, when the concentration of molecules on both sides of a membrane is the same, the molecules will ___.

The diffusion of particles through proteins in the cell membrane from an area of high concentration to an area of low concentration is called __.

What materials does diffusion, osmosis, and facilitated diffusion move?

The pointed beak that a woodpecker uses to remove insects from a tree trunk is an example of

Some Galapagos finches have heavy, strong beaks, while others have small pointed beaks. Which best explains the differences in their beaks?

Charles Darwin observed the finches on the Galapagos island and noticed that each species was well suited to the life it led due to the size and shapes of its beaks. Beak shape and size in these finches is an example of —

The finches that Darwin studied differed in the shape of their beaks. According to Darwin, the finches probably

The different beaks Darwin observed in the finches were probably NOT caused by...

Finches with__________ beaks are adapted to eat seeds off the ground

Which part of the Beaks of Finches lab activity was changed in order to simulate the different conditions on various islands?

_____________ traveled to the Galapagos islands during his voyage on the HMS Beagle and found several variations of finches with uniquely shaped beaks.

There are 13 species of Galapagos finches with 13 varieties of beaks. When a drought affected the Galapagos Islands in 1977, seeds became scarce. Some finch species survived while other finch populations decreased. Which is the most likely explanatio

Warblers and swallows have thin and pointed beaks. These types of beaks are useful for...

Even though the finch and the sparrow are two different types of birds, they have similar beaks. Which statement best explains why their beaks are similar?

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