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Li Exam 1 Review 2023 Flashcards | StudBud
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Li Exam 1 Review 2023
Li Exam 1 Review 2023
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1
What is the value of N0?
1.2
0.8
0.4
7
2
Which of the following has the correct nomenclature for corn:
Zea mays
Zea Mays
Zea mays
Zea mays
3
Which island would have the greatest number of species
A small island far from the mainland
A large island close to the mainland
A small island close to the mainland
A large island far from the mainland
4
If grazing cows are sent to slaughter hundreds of miles away, which part of the Nitrogen cycle is disrupted?
Denitrification
Ammonification
Nitrogen fixation
Assimilation
5
An organism’s address is its habitat; its profession is its ______
ability to reproduce
function
evolution
niche
6
For a hypothesis to be a scientific one, it must…
Answer the question posed
Be grounded in theory
Be empirical
Be testable
7
Which of the following is not one of the main elements cycled throughout an ecosystem?
potassium
nitrogen
phosphorus
carbon
8
A hurricane is an example of a(n)...
density independent factor
density dependent factor
extrinsic density dependent factor
inverse density dependent factor
9
What type of survivorship curve is displayed?
Type 0
Type II
Type I
Type III
10
What is an example of a primary consumer
grasshopper
cheetah
little bluegrass
hyena
11
True or false: Nutrient cycles are similar to energy in that they have a one-way path
False
True
12
What equation would you use to solve the following probelm
y=mx+b
ΔN/Δt=rN*(K-N)/K
N0=N0ert
dN/dt=rN
13
When considering the average food chain, which of the following is true?
The trophic level with the highest species abundance are primary producers
Secondary consumers are the most abundant organisms in an ecosystem
Biomass decreases moving up the food chain
The longer the food chain, the more stable the ecosystem
14
In the formula, dN/dt=rN, the rate of population growth approaches zero as
The population size approaches the carrying capacity
The age-specific fertility rate changes
The per capita growth rate changes
The per capita growth rate approaches zero
15
What would be the value of K?
-0.2
169
300
131
16
What is an example of a density-independent regulatory factor?
decreased fertility
parasitism
weather
infectious disease
17
Which of the following biomes would have the greatest species richness?
temperate deciduous forest
tropical rainforest
tundra
temperate rainforest
18
Why do many fish species die with cultural eutrophication
algae dies when the fertilizer runoff stops and overcrowds the ecosystem
the bacteria that decomposes algae draws the oxygen out of the water
bacteria becomes abundant along with algae and they outcompete fish species
algal growths cause a covering, which prevents the attainment of nutrients
19
Eutrophication is caused by:
habitat loss
oil spills
An overabundance of nutrients, leading to an increase in algal population
An overabundance of nitrogen, leading to a decrease in bacteria population
20
What does the Shannon Diversity Index measure?
population diveristy
biome diversity
species diversity
habitat heterogeneity
21
Which of the following is a correct order for the nitrogen cycle:
nitrogen fixation, assimilation, ammonification, denitrification
Nitrogen fixation, assimilation, nitrification, ammonification
ammonification, denitrification, assimilation, nitrification
Nitrogen fixation, nitrification, assimilation, denitrification
22
How does the climate of city B compare to that of city A?
It is warmer and wetter
It is cooler and wetter
It is warmer and drier
It is colder and drier
23
Which statement describes the most likely relationship between species A and species B
Species A is the prey of species B
Species A has a mutualistic effect with species B
Species A is in competition with species B
Species A is a consumer and species B is a producer
24
Which of the following is not one of the core concepts of biology
Pathwyas and transformations of energy/matter
Structure and function
Evolution
All of the above are core concepts of biology
25
Which biome is characterized as being made of still, deep water, in subtropical areas?
intertidal zone
open ocean
lotic
lentic
26
Gause’s competitive exclusion principle states that:
Each species has its own niche
Species that share the same resources can coexist
Two species with same resource requirement can’t occupy the same niche
Two species with same resource requirement can occupy same niche
27
What biogeochemical cycle is one that is not a global cycle?
nitrogen
carbon
water
phosphorus
28
Observing what other students in your class are wearing is an example of:
scientific method
hypothesis testing
science
discovery-based science
29
Barnacles attach themselves to whales so that they can migrate to new feeding grounds. What type of interaction?
parasitism
commensalism
predation
mutualism
30
Which of the following is the most important factor used to define terrestrial biomes on Earth?
all of the above
precipitation
temperature
vegetation
31
True or false: Communities and populations change over time and place
True
False
32
True or false: A food chain is more complex than a food web
True
False
33
Which of the following is carrying capacity NOT dependent on ?
Decomposers
resource availability
Toxin levels
Predation
34
Which ecological pyramid is not able to appear in an inverted pyramid
numbers
productivity
biomass
35
True or false: In a climax community, there are only minor changes occurring.
False
True
36
What physical factor would you measure in orer to reveal the difference between grassland and deciduous forest
Mean temperature
Annual precipitation
Salinity
Animal species diversity
37
You awaken to find yourself in dim light, it's hot and humid and there’s lots of plants and insects. Where are you?
hot desert
taiga
Temperate rainforest
tropical rainforest
38
True or false: Three kinds of competition are interference, resource and extrinsic
False
True
39
True or false: The same biome cannot occur on more than one continent
True
False
40
True or false: Decreased soil nutrient levels is a characteristic of succession
False
True
41
True or false: discovery based testing employs the use of a preconceived hypothesis.
True
False
42
What is R0 for the species displayed in the life table?
-1.29
1.29
1
0.61
43
What causes air currents in the atmosphere?
Gravity from the moon pulling on Earth
Sunlight heating Earth’s surface unevenly
High-pressure area at the equator
Ocean currents moving heat around Earth
44
How does nitrogen become NH3 in the soil?
rhizobium bacteria
ammonification
root uptake
denitrification
45
Net primary production equals
GPP - respiration
two of the above
The rate at which energy is captured from abiotic sources
Rate at which energy captured by producers from abiotic sources is stored
46
Which of the following is true of the Stiling and Drake experiment?
An increase in CO2 showed an increase in herbivory
An increase in CO2 led to a decrease in plant growth
all of the above
An increase in CO2 led to less nutrient dense plants
47
The kangaroo rat has very efficient kidneys to absorb the max amount of water. What biome does it most likely live in?
Tropical rainforest
Taiga
temperate rainforest
hot desert
48
An organism's ______ determines its ______
Function, habitat
Structure, function
Niche, structure
Function, structure
49
What is the effect of cultural eutrophication?
clear water
animal population growth
oxygen depleted water
limited amount of algae growth
50
What kind of animal uses aposematic coloration?
caterpillar
poisonous frog
moth
trout
51
True or false: Inverse density dependent factors are common for helping maintain a population at is carrying capacity
False
True
52
What type of succession would an individual witness following a forest fire?
quaternary
secondary
primary
tertiary
53
What is the most reasonable growth rate for a population that exists in the wild
exponential
derivative
logistic
integral
54
True or false: In a food chain, energy flows in one direction
False
True
55
Monarch and Viceroy butterflies are an example of what kind of protective coloration?
two of the above
mullerian mimicry
aposematic coloration
cryptic coloration
56
Island diveristy depends on what...
Distance and weather
Distance and size
Weather and water
Size and weather
57
What would be the value of N?
300
169
131
0.2
58
How are you feeling about this exam?
Great!
Need to review a few more things before tomorrow
HELP!
59
How do ocean gyres redistribute heat around Earth?
They carry warm water form the tropical to polar regions
They carry warm water between the two polar regions
They carry warm water from the polar to the tropical regions
60
What mechanism are you likely to witness on the rocks in an intertidal pool following a strong storm?
tolerance
none of the above
Facilitation
inhibition
61
What is one of the characteristics that defines the eukaryotic domain of life?
have a nucleus
multicellular
all of the above
unicellular
62
Which of the following places the levels in order of increasing size:
Organ – tissue – population – community – ecosystem
Organism – community – population – ecosystem – biosphere
Cells – tissue – organ – community – population
Atoms – tissue – population – ecosystem – biosphere
63
What is the value of r?
0.8
7
1.2
0.4
64
Where does the majority of the global biomass come from?
Bacteria
Fungi
Plants
Animals
65
What organism is liable to have the most ineffective transfer of energy?
ectotherms
endotherms
invertebrates
vertebrates
66
Elephants exhibit a type ___ survivorship curve
III
I
II
0
67
If there is overcrowding, as population density increases, % mortality ______?
increases
stays the same
decreases
68
Which of the following would have the greatest species richness?
An area far away from the coast
An environment experiencing a low level of disturbance
area near a mountainous region
All of the above
69
True or false: In marine habitats, the biomass of consumers is greater than producers.
False
True
70
What level of disturbance results in the greatest diversity?
small
no disturbance
large
medium
71
What would be the value of r:
1.4
-0.2
0.48
0.2
72
By how much would the population change in one year?
32
-15
15
-32
73
Which of the following is not one of the three domains of life
bacteria
protista
archaea
eukaryotes
74
Early colonists that prepare the environment to better suit new colonies is a mechanism referred to as
facilitation
natural selection
tolerance
inhibition
75
Which community will have a higher diversity?
Community B
Community A
Both have the same species diversity bc they have the same # of species
76
Lions and other predators maintain well-defined territories. What kind of dispersion pattern would this produce?
uniform
random
clumped
clustered
77
36 squirrels are captured and marked. One month later 12 of the 57 squirrels are marked. Population size?
150
175
171
8
78
r is equal to:
d-b
b-d
K-N
(K-N)/K
79
The sum across all age categories for the age-specific fertility and the age-specific survivorship is defined as the:
Life table
Finite rate of increase
Net reproductivity rate
Carrying capacity
80
What would be the population in 21 years?
-22
4280
22
31129
81
Which of the following is not one of the methods of gathering information regarding population size?
mark-recapture
using quadrants and traps
visually counting
all are valid methods
82
What is the difference between r and R0?
None of the above
R0 is reproduction on the basis offspring produced per individ per lifetime
R0 measure reproduction at a specific point in time
r measures reproduction on the basis of individual lifetimes
83
Is the population increasing or decreasing?
Decreasing
Increasing
Not changing
84
Which is not one of the three major transport mechanisms of chemicals through ecosystems
biogeochemical
geological
chemical
biological
85
What equation would be used to find the total population in 10 years?
Nt=N0ert
y=mx+b
ΔN/Δt=rN*(K-N)/K
ΔN/Δt=rN
