Which is part of Charles Darwin's reasoning for evolution by natural selection? *
A. All individuals in a population have an equal chance of surviving.
B. Certain hereditary traits give some individuals better chances to survive and
reproduce than others.
C. Environmental changes cause an individual to develop traits that help it survive and
reproduce
D. Most animal populations have more food available than is necessary to support the
population

The breakdown of food is accomplished by enzymes. a. physical b. chemical c. mechanical d. none of the above

Residential construction is expanding in florida, the expansion has caused fragmentation of habitats, one of the results of the increased construction is a decrease in the number of large predators such as the coyote, black bear and pool panther, which will be the most immediate local result of this fragmentation? 1)large predators will become extinct 2)decrease in middle sized predators 3)increase in population of top carnivores 4)increase in population of prey species

Pl as time goes by and water goes through the water cycle again and again, the amount of water on earth: increases decreases ostays the same goes up and down