The introduction of an exotic species into a stable ecosystem can result in an unbalancing of the system leading to O Species extinction
O Niche alteration
O Resource redistribution
O All of the above

Categorize each term as something that is typical of a scientific theory, a scientific hypothesis, or both. makes predictions

Under the soviet system, the government a. controlled all forms of communication. b. allowed newspapers to print whatever they wanted. c. controlled editorials but not the reporting of news. d. encouraged access to a wide variety of news sources. select the best answer from the choices provided a b c d

How do you know that the plant cells in these two images have different jobs, or functions? a. because all plant cells serve different functions b. because they are two different colors c. because their dna are different d. because their structures are different