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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
asexual reproduction
finding and eating insects
active transport
Finches with beaks that were able to eat the types of seeds that survived, were more likely able to survive and reproduce.
Membrane proteins
all had a common ancestor.
Both birds eat the same types of food.
carbon dioxide and water
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?
asexual reproduction
finding and eating insects
active transport
Finches with beaks that were able to eat the types of seeds that survived, were more likely able to survive and reproduce.
Membrane proteins
all had a common ancestor.
Both birds eat the same types of food.
carbon dioxide and water
Warblers and swallows have thin and pointed beaks. These types of beaks are useful for...
asexual reproduction
finding and eating insects
active transport
Finches with beaks that were able to eat the types of seeds that survived, were more likely able to survive and reproduce.
Membrane proteins
all had a common ancestor.
Both birds eat the same types of food.
carbon dioxide and water
Which substances may pass through a cell membrane by simple diffusion?
asexual reproduction
finding and eating insects
active transport
Finches with beaks that were able to eat the types of seeds that survived, were more likely able to survive and reproduce.
Membrane proteins
all had a common ancestor.
Both birds eat the same types of food.
carbon dioxide and water
The different beaks Darwin observed in the finches were probably NOT caused by...
asexual reproduction
finding and eating insects
active transport
Finches with beaks that were able to eat the types of seeds that survived, were more likely able to survive and reproduce.
Membrane proteins
all had a common ancestor.
Both birds eat the same types of food.
carbon dioxide and water
The finches that Darwin studied differed in the shape of their beaks. According to Darwin, the finches probably
asexual reproduction
finding and eating insects
active transport
Finches with beaks that were able to eat the types of seeds that survived, were more likely able to survive and reproduce.
Membrane proteins
all had a common ancestor.
Both birds eat the same types of food.
carbon dioxide and water
The movement of particles through proteins in the cell membrane against the normal direction of diffusion is called ___.
asexual reproduction
finding and eating insects
active transport
Finches with beaks that were able to eat the types of seeds that survived, were more likely able to survive and reproduce.
Membrane proteins
all had a common ancestor.
Both birds eat the same types of food.
carbon dioxide and water
Facilitated diffusion move substances across the membrane with the aid of:
asexual reproduction
finding and eating insects
active transport
Finches with beaks that were able to eat the types of seeds that survived, were more likely able to survive and reproduce.
Membrane proteins
all had a common ancestor.
Both birds eat the same types of food.
carbon dioxide and water
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