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BIOL 103 INTRODUCTION TO BIOLOGY QUIZ

BIOL 103 INTRODUCTION TO BIOLOGY QUIZ

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Introduction to Biology Quiz
Question 1
Your aquarium contains three goldfish, one turtle, some plants, and millions of bacteria and algae. All those organisms together form a(n):
Ecosystem
Community
Biosphere
Population
Feedback
Incorrect, ecosystem also contains the abiotic (non-living) elements.
Question 2
Points: 10 out of 10
A cleaning product claims it “kills 99.9% of germs and viruses.” Explain the flaw in this statement.
Viruses are constantly mutating so this would be impossible to kill all also manufacturer leaves themselves some room for error
Feedback
This statement is technically inaccurate since viruses cannot be killed; a virus is abiotic. A virus does not meet ALL of the four requirements outlined above to be considered a biotic organism.
Question 3
Points: 10 out of 10
Read the following statements. Which one is NOT an example of the characteristics of life?
Your body gives off heat after running up several flights of stairs.
Drinking water after perspiring while working in the garden on a hot day.
A single-celled organism dividing into two separate organisms.
A fertilized egg developing into a young chick.
All of the examples above demonstrate characteristics of life.
None of the examples above demonstrate characteristics of life.
Feedback
That's correct. All of these examples demonstrate characteristics of life.
Question 4
Points: 10 out of 10
Which of the following would a biologist study? Select all that apply.
 
How bacteria respond to antibiotic treatments.
How algae interact with various fish.
How to produce new varieties of corn plants.
How earthquakes can be better predicted.
Feedback
Correct. Bacteria, algae and fish, and corn are living organisms studied by biologists.
Question 5
Points: 10 out of 10
Which is the correct order from smallest to largest?
Molecule < Tissue < Cell < Organ
Cell < Molecule < Tissue < Organ
Molecule < Cell < Tissue < Organ
Cell < Tissue < Molecule < Organ
Feedback
Correct. Molecules make up cells which make up tissues which make up organs in an organism.
Question 6
Points: 10 out of 10
Proteins within muscles interact, causing the whole muscle to shorten (contract). Which is the emergent property?
contraction of the muscle
interaction of the proteins
Feedback
Correct. Muscle contraction is an emergent property of interactions among muscle proteins, and also requires an input of energy from other processes in an animal.
Question 7
Points: 0 out of 10
Your thoughts arise from signals that zip around through a network of nerve cells in your brain. Which is the emergent property?
Your nerve cells.
Your thoughts, and your ability to think.
Your brain.
Feedback
No, these are at a lower level of organization, interacting to enable the emergent property. You would never be able to read someone’s thoughts by looking at a single nerve cell in the brain!
Question 8
Points: 10 out of 10
Aristotle’s statement “The whole is much greater than the sum of its parts.” Explains which of the following?
Interactions between biotic and abiotic components
Emergent Properties
Life uses energy and raw materials to grow
None of these
Feedback
Correct. Emergent properties are characteristics of a system that are not present in any of its components.
Question 9
Points: 10 out of 10
This level of organization is the defining level of biology. As far as we know, life is an emergent property that exists at this level. Below this level, no single entity is truly alive.
population
organism
molecule
cell
Feedback
Correct! A cell, given the right conditions, can perform all of the activities of life.
Question 10
Points: 10 out of 10
On the surface of the eye is a transparent, flexible covering called the cornea. This structure would best be classified as a...
tissue
organ
organelle
cell
organ system
Feedback
Correct, the cornea might be classified as a tissue, but it contains specialized layers of cells, so it is probably better considered a collection of tissues.
 


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