1. which of the following correctly compares the changes that take place in an ecosystem during primary succession and secondary succession? (2 points) a) primary succession takes place over a long period of time on newly formed land, while secondary succession occurs quickly in areas that have disrupted by a natural disaster. b) primary succession takes place quickly on newly formed land, while secondary succession occurs over a long period of time in an area that has been disrupted by a natural disaster. c) primary succession takes place over a long period of time in an area that has been disrupted by a natural disaster, while secondary succession occurs quickly on newly formed land. d) primary succession takes place quickly in an area that has been disrupted by a natural disaster, while secondary succession occurs over a long period of time on newly formed land. 2. which of the following is an example of how a biotic factor can affect the population dynamics in an ecosystem? (2 points) a)lack of water during a drought causes many of the individuals in a population to die. b) seasonal temperature changes cause a species to migrate between two ecosystems. c) excessive rain and flooding cause organisms in an area to relocate. d) the population of a predator increases following an increase in the population of its prey.
Answers: 1
Biology, 21.06.2019 23:30
Tara sees a commercial for a brand of pills that promise to boost energy and people perform better in work and school. as people in the commercial talk about how much better they feel when taking the pill, tara notices a message on the bottom of the screen that reads, "this pill is not approved by doctors and has not been tested in controlled experiments." what is the best conclusion that tara should make about the commercial? it is making scientific claims based on subjective observations. it is making scientific claims based on opinions instead of pseudoscientific facts. it is making pseudoscientific claims based on objective observations. it is making pseudoscientific claims based on opinions instead of scientific facts.
Answers: 1
Biology, 22.06.2019 08:30
Approximately percent of the energy created by cell metabolism is used by the body to carry on its normal functions, such as respiration, digestion, reproduction, muscular movement, circulation, and cellular regrowth.
Answers: 3
Biology, 22.06.2019 12:50
Aresearcher created three groups based on participants bmi: normal weight, overweight and obese. the hypothesis being tested is that the three groups differ in the mean number of artificially sweetened drinks consumed weekly. which statistical test might the researcher use, assuming a reasonably normal distribution of values.
Answers: 1
1. which of the following correctly compares the changes that take place in an ecosystem during prim...
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