Chapter 20: Strategies of Life
Chapter 20
Strategies of Life:
What is life?
1. The scientific name of the white oak tree is Quercus alba. In this name, the term Quercus refers to the tree's
a. family.
b. breed.
c. order.
d. species.
e. genus.
Ans: e
Link To: Classifying Living Things
Difficulty Level: Easy
2. The Swedish naturalist Carolus Linnaeus based his system of classification upon
a. observation.
b. DNA typing.
c. experimentation.
d. carbon dating.
e. all of the above
Ans: a
Link To: Classifying Living Things
Difficulty Level: Easy
3. How are fungi different from protista?
a. number of leaves
b. presence of a nucleus
c. strategy of obtaining energy
d. color and texture
e. skeleton
Ans: c
Link To: Classifying Living Things
Difficulty Level: Easy
4. Which is true of algae?
a. Algae can be single-celled or multi-cellular organisms.
b. Algae carry out at least half of global photosynthesis.
c. Algae include seaweed and kelp.
d. Algae are found in symbiotic combination with fungi.
e. all of the above
Ans: e
Link To: Classifying Living Things
Difficulty Level: Easy
5. Which is an example of a bryophyte?
a. apple tree
b. lichen
c. moss
d. orchid
e. penicillium
Ans: c
Link To: Classifying Living Things
Difficulty Level: Easy
6. Vascular plants
a. can live in dry environments.
b. include ferns.
c. overcome gravity with internal structure.
d. can be seedless.
e. all of the above
Ans: e
Link To: Strategies of Plants
Difficulty Level: Easy
7. Which of the following does not describe a way that living things acquire energy?
a. directly from the Sun
b. consuming other organisms
c. absorbing materials in their environment
d. creating their own energy from nothing
e. Each of the above describes a way that living things acquire energy.
Ans: d
Link To: Strategies of Plants
Difficulty Level: Easy
8. How long have flowering plants been the dominant plant life on Earth?
a. 100 million years
b. 200 million years
c. 100 thousand years
d. 65 million years
e. Flowering plants do not dominate Earth's plant life.
Ans: d
Link To: Strategies of Plants
Difficulty Level: Easy
9. The current research frontier in biology is primarily
a. taxonomy and monera classification.
b. searching for tropical herbal medicines.
c. at the molecular scale of biota.
d. at the organism scale of biota.
e. at the ecosystem scale of biota.
Ans: c
Link To: Classifying Living Things
Difficulty Level: Easy
10. What is the correct order of the following, according to the Linnaean system of classification?
a. genus, species, class, order, phyla, family, kingdom
b. class, species, family, order, kingdom, genus, phyla
c. kingdom, phyla, class, order, family, genus, species
d. kingdom, order, phyla, species, class, family, genus
e. genus, species, class, family, order, phyla, kingdom
Ans: c
Link To: Classifying Living Things
Difficulty Level: Easy
11. In the new view of classification, the three kingdoms are
a. Monera, Archaea, and Eucaryea
b. Archaea, Bacteria, and Eucaryea
c. Eucaryea, Monera, and Protista
d. Fungi, Bacteria, and Animals
e. Archaea, Plants, and Animals
Ans: b
Link To: Classifying Living Things
Difficulty Level: Easy
12. What do all primates have in common?
a. the same order
b. fingernails
c. eyes in the front of the head
d. large brain
e. all of the above
Ans: c
Link To: Strategies of Animals
Difficulty Level: Easy
13. Which of the following is a legacy of Linneaus?
a. DNA
b. Archaea
c. binomial nomenclature
d. Monera
e. Cyanobacteria
Ans: c
Link To: Classifying Living Things
Difficulty Level: Easy
14. The main difference between the kingdoms Monera and Protista is
a. the number of cells in the organism.
b. the location of the internal chordate.
c. the presence of a nucleus.
d. a filamentous root system.
e. the method of locomotion.
Ans: c
Link To: Classifying Living Things
Difficulty Level: Easy
15. Which of the following is not true about all living things?
a. They are subject to the laws of thermodynamics.
b. They are made from more than one cell.
c. They respond to their environments.
d. They need energy to live.
e. They are dependent upon chemical reactions.
Ans: b
Link To: What Is Life?
Difficulty Level: Easy
16. "Cold-blooded" is a term that can refer to
a. insects and spiders.
b. snakes and crabs.
c. frogs and turtles.
d. turtles and lobsters.
e. all of the above
Ans: c
Link To: Strategies of Animals
Difficulty Level: Easy
17. The Industrial Revolution was dependent upon the prehistoric dominance of
a. seedless vascular plants.
b. gymnosperms.
c. angiosperms.
d. arthropods.
e. bryophytes.
Ans: a
Link To: Strategies of Plants
Difficulty Level: Easy
18. On what part of a bacterium cell does penicillin act?
a. nucleus
b. chloroplast
c. cytoplasm
d. cell membrane
e. protoplasm
Ans: d
Link To: Strategies of Plants
Difficulty Level: Easy
19. The filament structures of multi-celled fungi limit their ability to grow beyond a food source.
Ans: True
Link To: Strategies of Fungi
Difficulty Level: Easy
20. The most reliable estimates of number of species on Earth range between 3 million and 30 million.
Ans: True
Link To: Classifying Living Things
Difficulty Level: Easy
21. A saturation curve is a graph that plots the number of new species discovered versus the number of known species.
Ans: False
Link To: Classifying Living Things
Difficulty Level: Easy
22. Mosses alternate generations with sexual and asexual reproduction.
Ans: True
Link To: Strategies of Plants
Difficulty Level: Easy
23. Modern life strategies for mosses demonstrate that life originated in the oceans and migrated to the land.
Ans: True
Link To: Strategies of Plants
Difficulty Level: Easy
24. Biologists are developing a precise definition for life.
Ans: False
Link To: What Is Life?
Difficulty Level: Easy
25. Based on diversity and numbers, primates are the most successful phylum in the animal kingdom.
Ans: False
Link To: Strategies of Animals
Difficulty Level: Easy
26. Corals can exist as independent organisms or as colonies.
Ans: True
Link To: Strategies of Animals
Difficulty Level: Easy
27. Taxonomy--the classification and naming of living things—is an exact science.
Ans: False
Link To: Classifying Living Things
Difficulty Level: Easy
28. There is a different system of genetic codes for organisms in each of the five Linnaean kingdoms.
Ans: False
Link To: Classifying Living Things
Difficulty Level: Easy
29. One-celled organisms were the dominant life form for most of Earth's history.
Ans: True
Link To: Classifying Living Things
Difficulty Level: Easy
30. There is only one species of living creature in the genus Homo.
Ans: True
Link To: Classifying Living Things
Difficulty Level: Easy
31. Penicillin saved thousands of lives during the Civil War.
Ans: False
Link To: Strategies of Plants
Difficulty Level: Easy
32. In revised taxonomic schemes, examples of Eucaryea are
a. birds
b. trees
c. lobsters
d. frogs
e. all of the above
Ans: e
Link To: Classifying Living Things
Difficulty Level: Medium
33. One possible ancestor to modern humans is named Homo erectus. Compared to modern human beings, Homo erectus was a member of a different
a. species.
b. genus.
c. family.
d. subgenus.
e. order.
Ans: a
Link To: Classifying Living Things
Difficulty Level: Medium
34. An apple is to an angiosperm as _____ is to _____?
a. a web, a spider
b. a cone, a gymnosperm
c. pollen, an angiosperm
d. coral, a sponge
e. a flower, a seed
Ans: b
Link To: Strategies of Plants
Difficulty Level: Medium
35. Why is it so difficult to estimate how many species of insects there are on the Earth?
a. There is no central repository for information on new species on Earth
b. New species continue to be discovered and other species go extinct.
c. Different methods of estimating numbers yield widely varied results.
d. All of the above are valid reasons.
e. No estimate is necessary because a good approximation of the number of insect species is sufficient.
Ans: d
Link To: Strategies of Animals
Difficulty Level: Medium
36. If you discovered a new organism deep in oceanic hydrothermal vents and you were trying to discover to which kingdom it belonged, what is one of the first questions you might ask?
a. What color is it?
b. How many cells does it have?
c. How does it acquire energy?
d. How does it move?
e. What temperature variations can it withstand?
Ans: b
Link To: Survival: A New Look at the Life Around You
Difficulty Level: Medium
37. Based upon the Linnaean system of classification, what do we know about three organisms with the scientific names Ursus horribilis, Ursus maritimus, and Cornus florida?
a. Cornus florida is probably a corn plant.
b. Cornus florida was first found in Florida.
c. Ursus horribilis and Ursus maritimus are the most closely related of all three.
d. Ursus horribilis was first identified by J. Horribilis.
e. All of the above are true.
Ans: c
Link To: Classifying Living Things
Difficulty Level: Medium
38. Which of the following phyla is the most successful in the animal kingdom, based on numbers of species and total biomass?
a. chordates
b. vertebrates
c. mollusks
d. arthropods
e. worms
Ans: d
Link To: Strategies of Animals
Difficulty Level: Medium
39. There are important tasks that all multi-cellular organisms have to perform. The skin is responsible for
a. obtaining and distributing molecules it needs to supply the energy and to build the fabric of itself
b. regulating its internal processes in response to changes in the environment
c. eliminating its wastes
d. supporting itself against the force of gravity
e. b and c
Ans: e
Link To: Strategies of Animals
Difficulty Level: Medium
40. There are important tasks that all multi-cellular organisms have to perform. The hair is responsible for
a. obtaining and distributing molecules it needs to supply the energy and to build the fabric of itself
b. regulating its internal processes in response to changes in the environment
c. eliminating its wastes
d. supporting itself against the force of gravity
e. reproducing itself
Ans: b
Link To: Strategies of Animals
Difficulty Level: Medium
41. There are important tasks that all multi-cellular organisms have to perform. The lungs are responsible for
a. obtaining and distributing molecules it needs to supply the energy and to build the fabric of itself
b. regulating its internal processes in response to changes in the environment
c. eliminating its wastes
d. supporting itself against the force of gravity
e. a, b, & c
Ans: e
Link To: Strategies of Animals
Difficulty Level: Medium
42. There are important tasks that all multi-cellular organisms have to perform. The skeleton is responsible for
a. obtaining and distributing molecules it needs to supply the energy and to build the fabric of itself
b. regulating its internal processes in response to changes in the environment
c. eliminating its wastes
d. supporting itself against the force of gravity
e. reproducing itself
Ans: d
Link To: Strategies of Animals
Difficulty Level: Medium
43. There are important tasks that all multi-cellular organisms have to perform. The ovary is responsible for
a. obtaining and distributing molecules it needs to supply the energy and to build the fabric of itself
b. regulating its internal processes in response to changes in the environment
c. eliminating its wastes
d. supporting itself against the force of gravity
e. reproducing itself
Ans: e
Link To: Strategies of Animals
Difficulty Level: Medium
44. There are important tasks that all multi-cellular organisms have to perform. The spore is responsible for
a. obtaining and distributing molecules it needs to supply the energy and to build the fabric of itself
b. regulating its internal processes in response to changes in the environment
c. eliminating its wastes
d. supporting itself against the force of gravity
e. reproducing itself
Ans: e
Link To: Strategies of Plants
Difficulty Level: Medium
45. There are important tasks that all multi-cellular organisms have to perform. The cell wall is responsible for
a. obtaining and distributing molecules it needs to supply the energy and to build the fabric of itself
b. regulating its internal processes in response to changes in the environment
c. eliminating its wastes
d. supporting itself against the force of gravity
e. b, c, &d
Ans: e
Link To: Strategies of Plants
Difficulty Level: Medium
46. There are important tasks that all multi-cellular organisms have to perform. The leaf is responsible for
a. obtaining and distributing molecules it needs to supply the energy and to build the fabric of itself
b. regulating its internal processes in response to changes in the environment
c. eliminating its wastes
d. supporting itself against the force of gravity
e. a, b, & c
Ans: e
Link To: Strategies of Plants
Difficulty Level: Medium
47. There are important tasks that all multi-cellular organisms have to perform. The root is responsible for
a. obtaining and distributing molecules it needs to supply the energy and to build the fabric of itself
b. regulating its internal processes in response to changes in the environment
c. eliminating its wastes
d. supporting itself against the force of gravity
e. a, b, & d
Ans: e
Link To: Strategies of Plants
Difficulty Level: Medium
48. There are important tasks that all multi-cellular organisms have to perform. The seed is responsible for
a. obtaining and distributing molecules it needs to supply the energy and to build the fabric of itself
b. regulating its internal processes in response to changes in the environment
c. eliminating its wastes
d. supporting itself against the force of gravity
e. reproducing itself
Ans: e
Link To: Strategies of Plants
Difficulty Level: Medium
49. Lichens get most of the minerals they need for growth from rocks or tree bark.
Ans: False
Link To: Strategies of Fungi
Difficulty Level: Medium
50. Even though living things are complex, they all operate according to the ordinary laws of nature.
Ans: True
Link To: What Is Life?
Difficulty Level: Medium
51. What is the difference between gymnosperms and angiosperms?
Ans: The gymnosperm is a class of plants that produces seeds without flowers. The angiosperm, on the other hand, is the class of flowering plants.
Link To: Strategies of Plants
Difficulty Level: Medium
52. What makes the seed a successful means of reproduction?
Ans: Seeds contain a fertilized egg and some nutrient, wrapped in a protective coating. Seeds can remain dormant until conditions are right for germination. Seeds can be carried to other areas by many different mechanisms.
Link To: Strategies of Plants
Difficulty Level: Medium
53. What did the biologist J.B.S. Haldane mean when he said "God has an inordinate fondness for beetles?"
Ans: There are more species of beetles than any other type of animal. They are in the phylum arthropod, which contains 70% of all known species on Earth.
Link To: Strategies of Animals
Difficulty Level: Medium
54. Compare thermal homeostasis in a chimpanzee (man's closest relative) and in a rattlesnake.
Ans: Answers will vary but should include differences in cold-blooded and warm-blooded for thermal homeostasis.
Link To: Strategies of Animals
Difficulty Level: Medium
55. Life is defined by biologists in collective properties. For example, all life forms require water, grow, and process energy. What other properties describe life? List at least one nonliving thing that shares a property with a living organism. For example, a cloud requires water, grows, and processes energy.
Ans: Answers will vary, but could include have a genetic code, common ancestor, respond to the environment, chemical reaction inside cells, part of larger systems, maintain order and complexity. Fire needs oxygen, grows, reproduces, etc.
Link To: What Is Life?
Difficulty Level: Medium
56. Explain how the discovery of antibiotics could have only been a "botched experiment."
Ans: English bacteriologist Alexander Fleming noticed that one of his Staphylococcus bacteria samples would not grow in areas where it had been accidentally contaminated by the common mold Penicillium. Instead of throwing the sample dish away, he isolated the substance that was killing the bacteria. This substance eventually became the
first of many life-saving antibiotics.
Link To: Strategies of Plants
Difficulty Level: Hard
57. How were prehistoric amphibians adapted to live at least part of their lives on land?
Ans: Most amphibians - then and now - spend part of their life cycle in water and part on land. In frogs, for example, the eggs are laid in water and the tadpoles hatch with gills and tails. The mature adult, however, has lungs and legs. The frog's heart, circulatory system, and skin are all adapted to maximizing oxygen absorption.
Link To: Strategies of Animals
Difficulty Level: Hard
58. What was Joannes Baptista Van Helmont trying to show in his experiment with a willow sapling?
Ans: Van Helmont was attempting to show that plants do not get their nourishment ("eat") from the soil the same way animals eat meat or fruit. His potted willow tree gained biomass in the five-year experiment with very little decrease of soil within the pot. Van Helmont concluded (erroneously) that the biomass came from the water added
to the pot.
Link To: Strategies of Plants
Difficulty Level: Hard
59. Use the concepts in this chapter to discuss the following statement: "The Gothic cathedral Notre Dame de Paris is to the lobster as a modern steel skyscraper is to the giraffe."
Ans: Form follows function.
Link To: Strategies of Animals
Difficulty Level: Hard
60. Design a day's diet that has all five kingdoms of the biota represented. Calculate the nutrient value of the day's diet. Compare these values with what you ate yesterday.
Ans: Answers will vary depending on what is chosen but should represent each of the kingdoms with organisms placed on appropriate trophic levels.
Link To: Classifying Living Things
Difficulty Level: Hard
61. Using the principle of "form follows function" explain the evolutionary advantage of the insect body parts to its success as an organism. What are some other reasons that arthropods are the most numerous organisms on Earth?
Ans: They can live in a wide variety of environments, withstanding great ranges of temp, pH, etc. The higher up on the animal taxona the more restrictive the range. Form allows for survival strategies.
Link To: Strategies of Animals
Difficulty Level: Hard
62. Design an organism with the best features of at least two of the five kingdoms. In what kind of environments could it thrive? How would it carry out its life strategies? What would be its limitations?
Ans: Answers will vary but should be accurate accounts of features, strategies and limitations.
Link To: Strategies of Plants, Strategies of Animals
Difficulty Level: Hard
63. Using the unifying characteristics linking all life forms, argue the point that an ant and an elephant are more alike than different.
Ans: Answers will vary but should include the eight characteristics of life.
Link To: Strategies of Animals
Difficulty Level: Hard
64. Compare the scientific accomplishments of each of the following: Carolus Linnaeus, Sir Alexander Fleming, Howard Florey and Ernst Chain, J.B.S. Haldane, Joannes Baptista Van Helmont.
Ans: Linneaus gave the classification to compare and contrast one species with another (structural format). The Haldane gave the details of biodiversity. Helmont has conservation of mass in a controlled experiment. Penicillian was serendipitous, yet needed the controlled experiment to make it useful. These all stepped through the scientific method.
Link To: Classifying Living Things
Difficulty Level: Hard
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