Biology, 27.12.2019 20:31 oofoofoof1
Dr. trout has noticed that salmon in his fish hatchery seem to enjoy listening to the radio in his lab. the fish in the tank closest to the radio seem to grow larger. dr. trout decides that the more music he plays, the larger the fish must grow. to test his idea, he sets up 5 large ponds with 100 salmon in each pond. he places a loudspeaker at the middle of each pond and plays various amounts of music in each pond. he plays the same band, feeds the fish the same diet, and keeps water conditions in all tanks exactly the same. after 10 weeks, he ends the trial and takes the average mass of the fish in each pond, and presents his data in the table. the independent variable in dr. trout's experiment isa) type of fish. b) the fish diet. c) type of music played. d) hours of music played.
Answers: 2
Biology, 22.06.2019 03:30
Which group of algae is characterized by unicellular organisms and includes some members that would be better classified as zooflagellates? euglenophytes red algae sporozoans green algae
Answers: 2
Biology, 22.06.2019 10:30
In a lab, scientists grew several generations of offspring of a plant using the method shown. what conclusion can you make about the offspring? a. they formed from meiosis and mitosis. b. they have half the number of chromosomes as their parent. c. they have low genetic variability among them. d. they will be able to reproduce only after they grow flowers.
Answers: 2
Biology, 22.06.2019 14:20
As scientists have investigated evolution from a variety of fields, they have found that some of darwin's orginal ideas were inaccurate or incomplete. t explanation provided by evolution was updated each time to reflect the new information they found. what does this suggest about the theory of evolution? it has become a stronger and clearer theory as new information is collected.
Answers: 1
Dr. trout has noticed that salmon in his fish hatchery seem to enjoy listening to the radio in his l...
Biology, 16.11.2019 10:31
Social Studies, 16.11.2019 10:31
Biology, 16.11.2019 10:31
Mathematics, 16.11.2019 10:31
Mathematics, 16.11.2019 10:31
Social Studies, 16.11.2019 10:31
Mathematics, 16.11.2019 10:31
Biology, 16.11.2019 10:31