Which of the following isn't one of the 4 basic questions animals must answer to determine their life history strategy?

All of the above are one of the four basic questions

Eutrophication is caused by:

an overabundance of nutrients, leading to an increase in algal populations

The population will grow in size

Which island would have the greatest number of species

A large island close to the mainland

The spatial distribution of individuals

Which of the following is a correct order for the Nitrogen Cycle?

N2 -> Organic N in plants -> Organic N in detritus -> NH3 -> NO2-

An interaction in which two organisms have an intimate association

Ŝ is indicative of what in island biogeography?

A balance of extinction and immigration

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Li PPL Exam One Review

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Questions 81

Answers

1
What is the effect of cultural eutrophication?
Clear water
Oxygen depleted water
Animal population growth
Limited amount of algae growth
2
What is an example of a primary consumer
little bluegrass
cheetah
grasshopper
Hyena
3
A K selected species will have which of the following characteristics
Often follows a survivorship curve type III
Care for young - much
Reproduces - once
Reproduce - in large numbers
4
In a food chain, energy flows in one direction
False
True
5
Which of the following is not a component of a biogeochemical cycle?
Geographical
Chemical
Biological
Geothermal
6
Consider the following problem. Which would be the value of r?
-0.2
0.48
0.2
1.4
7
Monarch and Viceroy butterflies are an example of what kind of protective coloration?
Mullerian mimicry
Cryptic Coloration
Aposematic coloration
Two of the above
8
Consider the following problem. By how much would the population grow in 21 years?
31122 poptarts
31136 poptarts
22 poptarts
31129 poptarts
9
Consider the following problem. By how much would the population change in 1 year?
-15 beta fish
-32 beta fish
-10,120 beta fish
32 beta fish
10
The same biome cannot occur on more than one continent
True
False
11
What kind of animal has aposematic coloration?
poisonous frog
caterpillar
moth
trout
12
What is a more reasonable growth rate for a population that exists in the wild?
Exponential
Derivative
Logistic
Integral
13
Which biome is characterized as being made of still, deep water, contains cattails, and in subtropical areas, alligators
The lentic habitat
The intertidal zone
The open ocean
The lotic habitat
14
Structure and function relate to one another
False
True
15
Which of the following isn't one of the 4 basic questions animals must answer to determine their life history strategy?
How much parental care should be invested in each offspring?
How many offspring to produce each time?
All of the above are one of the four basic questions
How many times to reproduce?
16
What level of a detrital food web are decomposers?
tertiary
quaternary
secondary
primary
17
Gleason is responsible for the __________ hypothesis
Organismic
Superorganism
Individualistic
Interactive
18
Biology is discovery and hypothesis-driven
False
True
19
The three kinds of competition are Interference, Resource, and Extrinsic
True
False
20
An ecosystem in a field is best described as having a ___ food web
All of the above
Inverted
Grazing
Detrital
21
Carrying capacity is represented by what letter in the equation dN/dT= rN (K-N/K)
dN
dT
r
K
22
Consider the following problem. What is the value of N?
300
-0.2
131
169
23
Eutrophication is caused by:
Habitat loss
oil spills
an overabundance of nitrogen, leading to a decrease in bacteria population
an overabundance of nutrients, leading to an increase in algal populations
24
Which of the following animals is likely to follow a type one survivorship curve
beetles
aphids
robins
monkeys
25
A survivorship curve with uniform death rates over time is most likely to be ___; what animal would fit this graph
I, Fruit Fly
II, Elephant
II, Blue Jay
I, Bluejay
26
Which of the Ecological pyramids is NOT able to appear in an inverted pyramid?
Repreoduction
Numbers
Biomass
Productivity
27
Parasitoids are always smaller than that which they are preying on
True
False
28
What physical factor would you measure in order to reveal the difference between grassland and deciduous forest?
Salinity
Animal Species Diversity
Annual Precipitation
Mean Temperature
29
Which biogeochemical cycle is the only one that is not a global cycle?
Nitrogen Cycle
Oxygen Cycle
Phosphorous Cycle
Carbon Cycle
30
What kind of animal exhibits aggressive mimicry?
King snakes
Monarch butterflies
Coral snakes
Anglerfish
31
Which of the following nutrients does not have an atmospheric stage in its life cycle?
Two of the above
Phosphorus
Nitrogen
Carbon
32
Net Primary Production equals
The rate at which energy is captured from abiotic sources
GPP - respiration
Two of the above
rate at which energy captured by producers from abiotic sources is stored
33
Joseph Connell worked with what species of animal?
aphids
barnacles
paramecium
warblers
34
For a hypothesis to be a scientific one, it must . . . .
Answer the question posed
Be empirical
Be grounded in theory
Be testable
35
Consider the following problem. In the equation N_t=N₀e^rt, what is the value of r?
7
0.8
1.2
0.4
36
The kangaroo rat lives in which biome
tropical rain forest
hot desert
tropical grassland
cold desert
37
If R0 >1.0
The population will grow in size
The population will grow one year and then shrink the next
The population will remain the same size
The population will shrink in size
38
Early reproduction minimizes generation length (T) so it maximizes its contribution to the gene pool
False
True
39
Which island would have the greatest number of species
A large island far from the mainland
A small island close to the mainland
A large island close to the mainland
A small island far from the mainland
40
Spanish moss growing on Bald Cypress is an example of
Mutualism
Commensalism
Parasitoidism
Parasitism
41
Nutrient cycles are similar to energy in that they have a one-way path
True
False
42
Dispersion is. . .
The ability of an individual to move
The timing of reproduction
The rate of movement of a population
The spatial distribution of individuals
43
Consider the following problem. Which equation would be used to find the total population in 10 years?
y = mx + b
\frac{ΔN}{ΔT}=rN
\frac{ΔN}{ΔT}=rN⋅(\frac{K-N}{K})
N_t=N_0e^{rt}
44
Which of the following is a correct order for the Nitrogen Cycle?
N2 -> Organic N in plants -> Organic N in animals -> Organic N in sediment
N2 -> Organic N in plants -> Organic N in animals -> NH3 -> NO3-
N2 -> Organic N in plants -> Organic N in detritus -> NH3 -> NO2-
N2 -> Organic N in plants -> Organic N in detritus -> NH3 -> NO3-
45
Symbiosis is__
The feeding of herbivores on plants
An interaction in which two organisms have an intimate association
When insects lay eggs on other insects and the offspring eat the host
a smaller organism lives in/off of another organism but doesn't kill it
46
What does the shannon index measure?
Species diversity
A population's growth rate
47
Ŝ is indicative of what in island biogeography?
Two of the above are correct
A balance of immigration and emigration
A balance of extinction and immigration
Birth and death rate
48
You awaken to find urself in dim light, it's hot and humid and there are lots of plant and insect species. Where are u?
Tropical rainforest
Taiga
Hot desert
Temperate rainforest
49
Consider the following problem. Which would be the value of K?
-0.2
300
131
169
50
What type of disturbance results in the greatest diversity?
Large
Small
Medium
No disturbance
51
What is commensalism?
(- , 0)
(- , -)
(+, 0)
(+ , +)
52
True or false: decreased soil nutrient levels is a characteristic of succession
True
False
53
How does Nitrogen in detritus become NH3 in the soil?
Rhizobium bacteria
Ammonification by decomposition
Root uptake
Denitification by psuedomonas
54
Consider the following problem. In the equation N_t=N₀e^rt, what is the value of N₀?
1.2
0.8
7
0.4
55
A food chain is more complex than a food web
False
True
56
When considering the average food chain, which of the following is true?
The longer the food chain, the more stable the ecosystem
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
57
What turns atmospheric nitrogen into organic nitrogen in plants
pseudomonas
Rhizobium
nitrobacter
nitro somonas
58
r is equal to
K-N
d-b
(K-N)/ K
b-d
59
Which of the following is carrying capacity NOT dependant on?
predation
decomposers
resource availability
toxin levels
60
Island diversity depends on what. . . .
distance and size
size and weather
distance and weather
weather and water
61
Iteroparity is. . .
The number of individuals at various age classes in a population
The portion of the female offspring that are produced
The pattern of reproduction to produce all offspring in one event
A pattern of reproduction at intervals throughout an individual’s life
62
What mechanism are you liable to witness on the rocks in an intertidal pool following a strong storm?
Tolerance
Facilitation
None of the above
Inhibition
63
Which of the following is NOT a hindrance for iteroparous species?
Gestation time (long and fixed) for vertebrates
poor success for animals if they breed too early (scrub jay)
physiological restrain on clutch size for primates
emotional attachment (humans)
64
What does conservation biology aim to protect?
Species Diversity
Genetic Diversity
All of the above
Ecosystem Diversity
65
Early colonists that prepare the environment to better suit new colonies is a mechanism referred to as
Tolerance
Inhibition
Facilitation
Natural selection
66
A hurricane is an example of a(n). . .
Density independent regulating factor
Inverse density dependent factor
Intrinsic density dependent regulating factor
Extrinsic density dependent regulating factor
67
Which scientist(s) experimented with resource partitioning using warblers?
Hubbard and Brooks
Einstein
MacArthur
Gause
68
Why do many fish species die with cultural eutrophication?
bacteria becomes abundant along with algae and they outcompete fish species
algal growths cause a covering, which prevents the attainment of nutrients
algae dies when the fertilizer runoff stops and overcrowds the ecosystem
the bacteria that decomposes algae draws the oxygen out of the water
69
In the formula, dN/dt=rN, the rate of population growth approaches zero as
The per capita growth rate approaches zero
The age-specific fertility rate changes
The population size app[roaches the carrying capacity
The per capita growth rate changes
70
What kind of relationship is represented by (+, 0)
parasitism
herbivory
commensalism
mutualism
71
Which of the following is not one of the main elements cycled throughout an ecosystem?
Carbon
Nitrogen
Potassium
Hydrogen
72
What is an example of a density-independent regulatory factor?
weather
decreased fertility
parasitism
infectious disease
73
Consider the following problem. What would be the population in 21 years?
31129 poptarts
-22 poptarts
4280 poptarts
22 poptarts
74
Inverse Density Dependant factors are common for helping maintain a population at its carrying capacity
True
False
75
Lions and other predators maintain well-defined territories. What kind of dispersion pattern would this produce?
Random
Clustered
Clumped
Uniform
76
What does the Shannon's Diversity Index measure?
biome diversity
species diversity
habitat heterogeneity
population diversity
77
Consider the following problem. Which equation would be used to find the solution?
N_t=N_0e^{rt}
\frac{ΔN}{ΔT}=rN⋅(\frac{K-N}{K})
\frac{ΔN}{ΔT}=rN
y = mx + b
78
Dandelions are an example of a k species
False
True
79
An organism's address is its habitat; its profession is its___
Evolution
Food
Niche
Ability to reproduce
80
Which organism is liable to have the most ineffective transfer of energy?
Ectotherms
Vertebrates
Invertebrates
Endotherms
81
What type of succession would an individual be liable to witness following a forest fire
Tertiary
Secondary
Quaternary
Primary

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