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1409 chapter 26,27,28,29 Flashcards | StudBud
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1409 chapter 26,27,28,29
1409 chapter 26,27,28,29
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1
As the global concentration of carbon dioxide increases, there is great potential for direct impact on the world's
biogeochemistry.
ozone layer.
biodiversity.
climate.
2
99% of ocean food supply comes from
photic
abyssal
aphotic
neritic
3
unsustainable fishing practices, such as bottom trawling & blast fishing, causing decline fishes. That is an example of?
climate change
biodiversity
overharvesting
extinct rate
4
Human populations have which type of survivorship curve?
Type III
Type I
Type II
Type IV
5
Which hormone causes FSH and LH to be released
testosterone
GnRH
progestogen
estrogen
6
A foundation species is species that stabilizes the community and holds the web together
False
True
7
organisms can only feed at a single trophic level
False
True
8
olants and planktons are ?
teretery consumer
primary conusmers
producers
secondary consumers
9
The population size of a species capable of being supported by the environment is called its ________.
biotic potential
carrying capacity
logistic growth
limit
10
One species benefits while the other is not harmed.
Parasitism
Commensalism
Predation
Competition
11
The major cause of the loss in Earth's biodiversity is
habitat loss.
agricultural runoff.
overfishing and water pollution.
fossil fuel usage.
12
In recent times humans have exhibited __________ growth.
Asymmetrical
Linear
Exponential
Logistical
13
what is the study of how organisms relate to one another and to their environments?
botany
zoology
ecology
biology
14
Biologists recognize that human populations are embedded in ecosystems and are dependent on them, like other species
True
False
15
what is the term for the average interval between birth of an individual and the birth of an offspring?
mortality
reproduction rate
generation time
fecundity
16
Competitive exclusion principle is No two species can occupy same niche at same time.
True
False
17
Ways to minimize the harmful effects by human is by restoring what type of species
alpha species
keystone species
ancestor species
founder species
18
The development of the embryo and fetus within the mothers womb is known as ______
gestation
organogenesis
implantation
fertilization
19
ovulation usually occurs on day_________ of a womens cycle
0
28
7
14
20
The process of gastrulation forms the
Dont
Answer
Know
Choices
21
The thickening of endometrium during the menstrual cycle is primarily influenced by _________ .
progesterone
estrogen
both estrogen & progesterone
Neither estrogen & progesterone
22
Gases in the atmosphere, such as carbon dioxide, trap heat similar to the glass roof of_______
solar rediation
greenhouse
UV-B
ozone
23
distribution occurs with dandelion plants that have wind-dispersed seeds that germinate wherever they happen to fall
varying
clumped
random
uniform
24
a population of species with short maturation, short life cycle and high mortality
natural selection
biotic selection
k- selection
r-selection
25
what rule states that mammals from colder climates have shorter ears and limbs?
jordan's rule
bergmann's rule
allen's rule
glorger's rule
26
The King snake looks very similar to the venomous Coral snake, this is an example of ________.
competitive exclusion
Mullerian mimicry
symbiosis
Batesian mimicry
27
One species benefits while the other gets harmed
predation
ataviasm
commensalism
mutualistic
28
Pollination is an example of ________.
an ecosystem service
a possible source of new drugs
crop pest control
chemical diversity
29
A symbiotic relationship where both of the co-existing species benefit from the interaction is called commensalism.
False
True
30
Excess phosphorus that enter the ecosystems from fertilizer runoff cause excessive growth of algae which will cause
fallout.
retrophication
greenhouse effect.
dead zone.
31
What are the advantages of sexual reproduction?
a single individual can produce offspring
?????
large numbers of offspring can be produced quicly
Greater fitness due to genetic diversity
32
Budding is a example of asexual reproduction, which of the following organims is known 4 doing this type of reproduction
bees
sea star
sea anemones
hydra
33
biodiversity is greatest in the ____?
trophic regions
savanna
polar regions
temperate regions
34
What is the statistical study of populations including sex ratio, age structure, and prediction growth rate?
population fynamics
ecology
biometry
demography
35
Which of the following biomes is the larges biome in the world
TAIGA
SAVANNA
CHAPARRAL
TEMPERATE FORESTS
36
the main goal of conservation biology is to _______________
prevent the building of large structures like shopping malls and businesses
promote the needs of certain ecosystems that are determined to be in danger
prevent the hunting and fishing of species
apply scientific principals to preserving and restoring ecosystems
37
High production agricultural soils; long, cold winters, perenials; grazing mammals. example of what terrestrial biome
tropical rain forest
desert
temperate grassland
savanna
38
What is the purpose of the Uterus
tube for intercorse, birth canal, passing menstrual flow
transport egg to uterus; site of fertilization
produce and develope eggs
supports developing embryo
39
Tundras are found primarily in the far north and are considered the more biodiverse biome.
False
True
40
coral reefs are composed of the accumulated calcium carbonate skeletons of what?
marine invertebrates
volcanic sediment
marine plants
beluga whales