Exam 1 (1-20) Flashcards
Choose the correct order (1-5) of increasing complexity/ organism
b)- (1) Cell (2) organ system (3) tissue (4) organ (5)organ
C)- (1) organ (2) cell (3) tissue (4) organism (5)organ system
D)- (1) Cell (2) tissue (3) organs (4) organ system (5) organism
D)- (1) Cell (2) tissue (3) organs (4) organ system (5) organism
Where on a graph can you find the information that the graph pertains to?
A. the x-axis only
B. the y-axis only
C. the dot points that are connecter by the lines of the graph
D. the top of each bar in a bar graph
E. the x- axis and y-axis
E. the x- axis and y-axis
identify the first step of the scientific method
A. Make an observation
B. Develop a hypothesis
C. Design an experiment D. Analyze the results and draw conclusions
A. Make an observation
Which characteristic is not found among all living organisms
A. breath oxygen
B. are organized
C. have the ability to acquire materials and energy
D. can reproduce and grow
A. breath oxygen
Scientist who have a financial stake in a company are now required to state that when they do research. This is an example of?
A. ethics in science
B. financial planning
C. a new business model
D. a biotechnological revolution
E. statistical significance
A. ethics in science
A complex individual that consists of organ system is known as a
A. community
B. population
C. organism
D. tissue
E. species
C. organism
The face of a sunflower turns to follow the sun it moves across the sky. This is an example of
A. metabolism
B. homeostasis
C. response to stimuli
D. development
E. reproduction
C. response to stimuli
The cell you are examining under the microscope appears to contain a nucleus. This organism belong to the domain
A. bacteria
B. archaea
C. Eukarya
D. animalia
E. fungi
C. Eukarya
Which of the following statements most correctly defines homeostasis
A. all living organisms are alike
B. living organisms do not change much over time
C. Human beings and other animals acquire materials and energy when they eat food
D. it takes energy to maintain the organization of the cell
E. cells and organisms maintain a fairly constant internal environment
E. cells and organisms maintain a fairly constant internal environment
One of the difficulties with publication of research in scientific journals is that it
A. Is technical and may be difficult for the general person to read
B. is often out of context or misunderstood
C. is unverified and usually not referenced
D. displays bias
A. Is technical and may be difficult for the general person to read
After studying biology, you should
A. become an animal rights activist
B. be better able to make wise decisions regarding your own well-being and the Earths
C. get a high paying job as a biologist
D. understand all there is to know about humans and biology
E. dislike anything to do with biology
B. be better able to make wise decisions regarding your own well-being and the Earths
Information collected during the experiment or observation is called
A. a theory
B. a hunch
C. the data
E. the conclusion
C. the data
The tentative explanation to be tested is called
A. a theory
B. a hunch
C. hypothesis
D. the data
E. the conclusion
C. hypothesis
What is the unifying principle of the biological sciences?
A. technology
B. anatomy
C. biochemistry
D. taxonomy
E. evolution
E. evolution
Humans clear forest to grow crops, and they build houses and cities. What are these an example of?
A. how humans modify the biosphere
B. how humans preserve ecosystems
C. the high value humans place on biodiversity impact of humans of life on Earth
D. the positive impact of humans on life on earth
E. how humans do not need the rest of life on earth
A. how humans modify the biosphere
A species has 29% of its DNA composed of the nucleotide containing guanine (G). What percent does the nitrogen base thymine (T) equal?
A. 58%
B. 42%
C. 21%
D. 67%
E. 29%
C. 21%
Which of the following is a function of proteins?
A. quick energy
B. genetic material
C. main component of the cell membrane
D. enzymes
E. Digest cell waste
D. enzymes
Which term refers to the breaking down of large substances into smaller ones?
A. Condensation
B. hydrolysis
C. synthesis
D. polymerization
B. hydrolysis
In an acidic solution the number of H+ is
A. less than the number of OH.
B. greater than the number of OH
C. equal to the number of OH
D. 3 times less than the number of OH
E. 10 times less than the number of OH
B. greater than the number of OH
Which combination of elements are required for a compound to be considered organic?
A. carbon and oxygen
B. sodium and carbon
C. nitrogen and oxygen
D. carbon and hydrogen
D. carbon and hydrogen