Biology, 05.05.2020 09:16 jonnaevans4856
A fish tank is a type of human-made ecosystem. Which of the following lists only abiotic factors found in a fish tank ecosystem?
A. water, fish, constant temperature
B. snails, tank, water filter
C. water filter, rocks, plants
D. water, oxygen, constant temperature
Answers: 2
Biology, 22.06.2019 09:20
Give examples of selective advantage of organism’s body part/organ
Answers: 1
Biology, 22.06.2019 10:00
Cladistics is a way of classifying organisms by examining the characteristics of their ancestors and descendants and depicting the relationships in a cladogram. which of the following best describes a challenge in classifying organisms this way? a. there are millions of species on earth, and a cladogram is not a practical means for classifying all of them. b. it is impossible to tell which organisms are most closely related to each other using a cladogram. c. cladograms are detail-oriented and do not provide a useful understanding of evolutionary relationships. d. there is a limited number of ways to organize the information, so most cladograms end up looking very similar.
Answers: 2
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
Biology, 22.06.2019 13:50
Interactions between organisms and their environment impact the organism’s overall population. the jaguar panthera onca is the largest cat in north america. it is found in areas across the southwest, including arizona, new mexico, and texas. it is a carnivore that has powerful jaws and sharp teeth and preys on fish, turtles, tapirs, and many smaller mammals. which shows the relationship between the jaguar and turtles?
Answers: 3
A fish tank is a type of human-made ecosystem. Which of the following lists only abiotic factors fou...
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