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Final Review Spring 2025 Flashcards | StudBud
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Final Review Spring 2025
Final Review Spring 2025
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Questions
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Answers
1
When a female mates with multiple males, this is referred to as...
Malyginy
monogamy
Polygny
Polyandry
2
If there are 2000 individuals in age class 0-1, but 200 die, what is the number of survivors in age class 1-2?
1800
2200
Need more information
1900
3
Sea otters feed on urchins, which will take over the community if left unregulated. Otters are a:
top predator
keystone species
ecosystem engineer
dominant species
4
A female-biased Operational Sex Ratio means what?
Theres low quality females occuring more frequently
There are more sexually competing females
Theres low quality males occuring more frequently
There are more sexually competing males
5
The two males are fighting to gain a femal partner, what type of selection is this
Intrasexual selection
Intersexual selection
6
The cool moist environment under a rock where bugs hang out would be considered a:
Macroclimate
weather
Microclimate
Climate
7
The Bilateria clade can be split into what two major groups/clades
Deuterostomia & Proteostomia
none of the above
Eumetazoa & lophotrochozoa
Lophotrochozoa & Ecdyzoa
8
What are the cell walls of fungi made of
Chitin
Cellulose
Collagen
Lignin
9
A dog smells dinner, which causes saliva production in mouth cells to increase. This is a:
foraging behavior
ultimate cause
learned behavior
proximate cause
10
"multiple species, in one place, at one time", refers to a...
Ecosystem
Population
Community
Landscape
11
NPP is lowest in the Tropics
True
False
12
All multicellular fungi have all the following
except
...
Mycelium
Fruiting body
Hyphae
Only sexual reproduction
13
Commensalism is a (___/____) interaction
+/0
0/0
+/+
-/0
14
A fixed action pattern is a learned behavior
False
True
15
What is an ultimate cause for
Reproductive
behavior
Observing that others in your species are mating, so they think they should
The ability to pass genetics that have greater fitness
Hormones indicating mating time
The smell of a mate triggers mating
16
Almost all animals are
Invertebrates
Vertebrates
17
What is the lowest level of organization in ecology
population
Evolution
community
Species
18
Dominant species are typically:
low abundance consumers
high abundance consumers
low abundance producers
high abundance producers
19
The fusing of two haploid nuclei in mycelium is a Karyogamy
True
False
20
A cohort is...
An entire population
A migrating population
A community
Individuals born at the same time
21
Based on the image of the male and female in this species, what is being demonstrated?
Sexual Monomophism
Sexual Dimorphism
22
When chemicals are continually recycled but aren't gained or lost
Open system of Energy
Closed System of Energy
23
What does the following picture tell us
The climate for that week
The weather for that week
24
In which stage is the plasmogamy in its
diploid stage
myceium
Spore
Karyogamy
heterokaryotic
25
If the effects of removing the foxes from this food web were investigated, this would be a ___.
bottom-up approach
top-down approach
26
What are the names of the layers moving from the inside out in a triplobast
ectoderm, mesoderm, endoderm
endoderm, mesoderm, ectodem
mesoderm, endoderm, ectoderm
Endoderm, Ectoderm
27
Based on the "fate of the blastopore", humans are said to be...
Deuterostomes
Protostomes
28
hag fish and lampreys (Cyclostomata) belong to what two major phylums
lobe fin & osteichyans
Vertebrata & Chordates
Chordata & Gnathostomes
Vertebrates & crraniata
29
Which biome does this climate diagram depict?
temperate grassland
tundra
desert
Rain forest
30
Offspring/survivors gives the birth rate
False
True
31
What biome does this climate diagram depict?
temperate forest
rainforest
desert
northern coniferous forest
32
All the following have radial symmetry except...
Anemones
Sponges
pizza
Sea Urchins
33
What amount of disturbance brings about the most biodiversity
none at all
Little
Intermediate
Lots
34
The Agave americana plant will bloom only once a century, spreading many seeds and then dies off. This is an example of:
R selected strategy: iteroparity
K selected strategy; semelparity
R selected strategy: semelparity
K selected strategy: iteroparity
35
In animal development, the blastula turns into a gastrula which is made up of this many layers.
2
3
4
2 or 3
36
In a life table, how do you calculate mortality rate?
Dead/ offspring
Offspring/ survivors
Survivors/ Dead
Dead/ survivors
37
The fusing of hyphae is called
symbiosis
Plasmogamy
Karyogamy
mycelium
38
When Eagles mate, they are partners for life. What type of mating is this?
Monoandry
Polyandry
Monogamy
Polygamy
39
Mycorrhizae is a (+/+) interaction
False
True
40
When a fungal cell has more than one haploid nuclei it is a...
mycelium
Karyogamy
spore
heterokaryote
41
Rank from least to most inclusive pertaining to the organizational levels
population < community < ecosystem < landscape < global < evolutionary
population < community < landscape < ecosytem < global < evolutionary
evolutionary < population < community < landscape < ecosystem < global
evolutionary < population < community < ecosystem < landscape < global
42
All fungi lack a flagellated stage in development except...
Chytrids
Zygomycetes
Ascomycetes
Basidiomycetes
43
The bird in the image flattens its wings and dances for their potential mate. What is demonstrated?
Agonistic behavior
Competition
Intersexual Selection
Intrasexual Selection
44
A population will increase when:
r < 0 and N < K
r = 0 and N < K
r > 0 and N > K
r > 0 and N < K
45
What phylum has tube feet, a water vascular system, and has Pentamerous radial symmetry
Hemichordata
Mollusca
Echinodermata
Annelida
46
In age class 2-3, there are 800 survivors, 60 dead, and a birth rate of 50. What is the Mortality rate?
.75
Need more info
75%
7.5%
47
All animals have a cell wall
False
True
48
A singular species that has the capability to interbreed but can't due to location differences is a population.
False
True
49
Hyphae release hydrolytic enzymes for decomposition to digest
cellulose
and
lignin
True
False
50
In
optimal conditions
, fungi will reproduce sexually
False
True
51
What are condidered to be the precurors to multicellularity
Chytrids
All protists
prokaryotes
Choanoflagellates
52
What would be a proximate cause of
foraging
behavior
Signals from the brain that signal hunger
Increasing fitness from decreasing predation
Gaining nutrition to be healthy
Threats can be costly, which could have effects on fitness
