Answer:
1 heat and no resources for new organisms 2 frogs may bred to be a different color there are disadvantages and advantages to natural selection the bird eats the lighter color frog and the darker frog lives
make sense?
Explanation:
Answer:
Unavailability of food decrease their population.
Explanation:
The population of Galapagos Finches decreases because of unavailability of food. Galapagos Finches feeds on a specific insects whose population decreases on that Island that leads to the death of the Galapagos Finches and they decrease in number. Positive population growth occurs only if more food is available to the Finches or they adapt another food item for themselves which fulfill their need of food.
Yes biotic means living or once living. it was living at one point so yes its biotic