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1.1 The study of life Read Online
Viewed from space, Earth offers no clues about the diversity of life forms that reside there. The first forms of life on Earth are thought to have been microorganisms that existed for billions of years in the ocean before plants and animals appeared. The mammals, birds, and flowers so familiar to us are all relatively recent, originating 130 to 200 million years ago. Humans have inhabited this planet for only the last 2.5 million years, and only in the last 200,000 years have humans started looking like we do today.
Chapter 45: Population and Community Ecology MCQ Multiple Choices Questions Quiz Test Bank
45.1 Population Demography
45.2 Life Histories and Natural Selection
45.3 Environmental Limits to Population Growth
45.4 Population Dynamics and Regulation
45.5 Human Population Growth
45.6 Community Ecology
45.7 Behavioral Biology: Proximate and Ultimate Causes of Behavior
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Question: Humans have which type of survivorship curve?
Choices:
Type I
Type II
Type III
Type IV
Question: Which of the following is associated with multiple reproductive episodes during a species' lifetime?
Choices:
semiparity
iteroparity
semelparity
fecundity
Question: Which of the following is associated with longterm parental care?
Choices:
few offspring
many offspring
semelparity
fecundity
Question: Which of the following is associated with the reproductive potential of a species?
Choices:
few offspring
many offspring
semelparity
fecundity
Question: Which of the following is best at showing the life expectancy of an individual within a population?
Choices:
quadrat
mark and recapture
survivorship curve
life table
Question: Species that have many offspring at one time are usually:
Choices:
r-selected
K-selected
both r- and K-selected
not selected
Question: A forest fire is an example of ________ regulation.
Choices:
density-dependent
density-independent
r-selected
K-selected
Question: Species with limited resources usually exhibit a(n) ________ growth curve.
Choices:
logistic
logical
experimental
exponential
Question: The maximum rate of increased characteristic of a species is called its ________.
Choices:
limit
carrying capacity
biotic potential
exponential growth pattern
Question: Which of the following methods will tell an ecologist about both the size and density of a population?
Choices:
mark and recapture
mark and release
quadrat
life table
Question: The population size of a species capable of being supported by the environment is called its ________.
Choices:
limit
carrying capacity
biotic potential
logistic growth pattern
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