Robert, an aspiring scientist in a biology class, wanted to conduct a study on the effects of cigarette smoke on the web-building ability of spiders. Which of the following statements is an incorrect use of terms pertaining to the scientific method?
a. Robert made the observation that spiders weave webs.
b. Robert wanted to see if his theory was true that cigarette smoke will influence web-building in spiders.
c. Robert concluded that there was no significant difference in the ability to weave a web under conditions of cigarette smoke compared to spiders that were not exposed.
d. Robert examined the webs from both the control group and the test group and they were recorded in a table.
e. As a control, Robert had a group of spiders that were never exposed to cigarette smoke.
Ans: b. Robert wanted to see if his theory was true that cigarette smoke will influence web-building in spiders.
You might also like to view...
What phase of meiosis is seen in the figure above?
A) metaphase I B) metaphase II C) anaphase I D) anaphase II
Imagine that sexual reproduction could occur between hyphae that were the same mating type. How might this affect rates of evolution in fungi?
A. Rates of evolution would be lower because genetic variation would be lower. B. Rates of evolution would be higher because more novel genetic combinations are generated through sexual reproduction. C. Rates of evolution would stay the same because as long as sexual reproduction is occurring, it does not matter if it is between individuals of the same or different mating type.
Which of the following components makes up the greatest percentage of blood volume?
a. Water b. Plasma proteins c. Platelets d. White blood cells e. Red blood cells
The DNA in a prokaryotic cell is in the ________ region of the cytoplasm
Fill in the blank(s) with correct word