A group of 100 female water fleas was placed in each of three culture jars of different sizes. The graph below shows the average number of offspring produced per female each day in each jar.
A) water fleas have fewer offspring when they are thinly populated.
B) the ability of a water flea to produce offspring is affected by population density.
C) the reproduction rate of water fleas increases steadily after 20 days.
D) water fleas produce more offspring when they are crowded together.
Answers: 2
Biology, 21.06.2019 21:30
List the advantages and disadavantages of the switch from persistent chlorinated hydrocarbon pesticides (such as ddt) to nonpersistent organophosphate pesicides. have the benefits of the switch outweighed the disadvantages? explain.
Answers: 3
Biology, 22.06.2019 09:00
In an experiment examining the effects tai chi on arthritis pain, callahan (2010) selected a large sample of individuals with doctor-diagnosed arthritis. half of the participants immediately began a tai chi course and the other half (the control group) waited 8 weeks before beginning. at the end of 8 weeks, the individuals who had experienced tai chi had less arthritis pain that those who had not participated in the course.
Answers: 1
Biology, 22.06.2019 10:30
Which of the following words best matches this definition: the process in which the best adapted organisms survive and pass on their traits, while those that are not well adapted do not survive to pass on their traits. question 3 options: acquired selection natural selection artificial selection organic selection
Answers: 1
A group of 100 female water fleas was placed in each of three culture jars of different sizes. The g...
Mathematics, 26.09.2019 05:00
Mathematics, 26.09.2019 05:00
Arts, 26.09.2019 05:00
Mathematics, 26.09.2019 05:00
Social Studies, 26.09.2019 05:00
English, 26.09.2019 05:00
English, 26.09.2019 05:00
Mathematics, 26.09.2019 05:00
Biology, 26.09.2019 05:00
Biology, 26.09.2019 05:00
Social Studies, 26.09.2019 05:00
Advanced Placement (AP), 26.09.2019 05:00