Two populations of the same fish species were fed different diets to investigate the effect of
differing nutrition on their growth. what is an appropriate method to determine the significance
of a resulting difference?
a. calculate the mean for each population
b. calculate the standard deviation for each population
c. graph the results
d. perform a t-test
Answers: 1
Biology, 22.06.2019 01:00, IkweWolf4431
When does the circulatory system work with the respiratory system? a. during blood cell formation b. during cellular respiration c. during intestinal digestion d. during a viral infection
Answers: 2
Biology, 22.06.2019 01:30, sharondot2398
Which best explains how a heat pump can heat a room? cold air from the house is moved through pipes, where it absorbs thermal energy. warm air from outside is pushed into the house to replace the cold air. combustion warms the air when chemical energy is transferred to thermal energy. fuel is used to move a piston, which pushes warm air into the house.
Answers: 1
Biology, 22.06.2019 03:30, lildanielmabien
How can a geological time scale best be reconstructed? a) comparing vestigial structures in living species b) comparing homologous structures in living species c) examining homologous structures in fossil remains d) examining the written records of scientists from past cultures
Answers: 1
Two populations of the same fish species were fed different diets to investigate the effect of
Mathematics, 30.01.2021 03:20
Arts, 30.01.2021 03:20
Mathematics, 30.01.2021 03:20
Social Studies, 30.01.2021 03:20
Mathematics, 30.01.2021 03:20