Which observation would provide indirect evidence that supports a hypothesis that the bubbles are o2 ?
a. a decrease in the approximate size of each leaf on plants kept in darkness.
b. a description of the shape of each leaf after a plant is kept under dim light.
c. a count of the bubbles produced over time by one plant under bright light
d. an increase in bubbles on the plant when it is moved under a brighter light.

Select the correct answer.which scenario describes unethical lab behavior? a.danny stores the chemicals required for his experiment in flasks and beakers.b. anna publishes the results of her experiment on the growth rate of saplings.c. jason repeatedly runs an experiment until he gets the results he desires.d. mia records her observations of an experiment precisely and accurately.resetnext

Which of the organisms listed below performs nitrogen fixation? a. legumes b. plants c. bacteria d. fungi

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.