bio #5 Flashcards
Which of the following is a post-zygotic mechanism of reproductive isolation?
A. Ecological Isolation
B. Behavioral Isolation
C. Zygote Mortality
D. Temporal Isolation
Zygote Mortality
Which of the following is NOT a pre-zygotic mechanism of reproductive isolation?
A. Ecological isolation
B. Hybrid sterility
C. Temporal isolation
D. Mechanical isolation
Hybrid sterility
Speciation requires which of the following?
A. Natural Selection
B. Reproductive Isolation
C. Geographic Separation
D. Temporal Isolation
Reproductive Isolation
______ speciation occurs in the same geographic area.
A. Allopatric
B. Sympatric
C. Reproductive
D. Mass
Sympatric
A fork shaped graph that shows bursts of great evolutionary change occurring over very short time intervals is an example of ___.
A. Gradualism
B. Punctuated Equilibrium
C. Reproductive Isolation
D. Speciation
Punctuated Equilibrium
___ is small changes that accumulate over thousands/millions of years.
Gradualism
Describe the speed of speciation in punctuated equilibrium compared to gradualism
(Faster, slower, same)
Faster
There have been ____ major mass extinction in the history of life on Earth.
5
Which of the following taxonomic groupings is the most inclusive (i.e. contains the greatest number of species)?
A. Genus
B. Order
C. Class
D. Family
Class
The three Domains of life include all of the following EXCEPT:
A. Protista
B. Bacteria
C. Archaea
D. Eukarya
Protista
Which of the following is a prokaryote?
A. Protists
B. Bacteria
C. Plants
D. Fungi
Bacteria
Jelly fish are included in the phylum:
A. Porifera
B. Cnidaria
C. Arthropoda
D. Chordata
Cnidaria
Human activity is currently causing a ___ mass extinction.
6th
Which of the following places the levels of biological organization in the correct order (simplest to most complex)?
A. Organisms, population, ecosystem, community
B. Organisms, population, community, ecosystem
C. Population, ecosystem, community, species
D. Population, community, ecosystem, species
Organisms, population, community, ecosystem
Which of the following levels of biological organization involves the study of living organisms interacting with each other AND their physical environment?
A. Organism
B. Populations
C. Community
D. Ecosystem
Ecosystem
Describe the rate of reproduction for a species with high biotic potential compared to low biotic potential.
(Higher, Lower, Same)
Higher
Which of the following species would be most likely to exhibit an exponential growth curve?
A. Hippos
B. Horses
C. Humans
D. House flies
House Files
In a shrinking population, the number of ___ outnumbers ___.
A. Pre-reproductive, Post-reproductive
B. Pre-reproductive, Reproductive
C. Reproductive, Pre-reproductive
D. Post-reproductive, Pre-reproductive
Post-reproductive, Pre-reproductive
If the birth rate in a population increases, and the death rate decreases, then the population is likely to ___.
(Grow, Shrink, Stay the same)
Grow
An increase in which of the following would likely lead to a decease in human populations.
A. Birth rates
B. Death rates
C. Life expectancy
D. Poverty
Death Rates
Ecoli is a species of bacteria, therefore, it is a ____.
A. Protist
B. Prokaryote
C. Eukaryote
D. Plant
Prokaryote
Ecology is the scientific study of the interactions of organisms with each other and with their physical environments.
T or F
True
____ include living organisms and their physical environments.
A. Organisms
B. Populations
C. Communities
D. Ecosystems
Ecosystems
Predator-prey relationships is an example of which level of biological organization?
A. Species
B. Population
C. Community
D. Ecosystem
Community
Type ___ survivorship: populations whose organisms tend to survive beyond their young and middle-ages and die when they become elderly
1
Type ___ survivorship: the individual’s chance of dying is independent of their age
2
Type ___ survivorship: populations that have a high death rate among the young, but a relatively low death rate for those who survive into middle and old age
3
Which species is likely to exhibit type I survivorship?
A. Humans
B. Birds
C. Plants
D. Sea turtles
Humans
A species which exhibits Type III survivorship would most likely have ___ biotic potential
(high, low, moderate)
High
The age structure which appears to be triangle shaped is ___.
(Growing, shrinking, stable)
Growing
The age structure which appears to be an inverted triangle is ___.
(Growing, shrinking, stable)
Shrinking
The age structure which appears to be more even in its pre-reproductive, post-reproductive, and reproductive populations is ___.
(Growing, shrinking, stable)
Stable
Ecosystems can be classified into biomes based on what two factors?
Temperature and precipitation
1 The biological species concept says that members of a species can ___ and produce viable, fertile offspring.
Interbread
2 The biological species concept ALSO SAYS that members of a species are ____ ____ from other species.
Reproductively isolated
What are the 2 mechanisms of reproductive Isolation?
Pre-zygotic, Post-zygotic
What are the 2 kinds of post-zygotic reproductive isolation?
Zygote mortality, hybrid sterility
What are the 5 kinds of pre-zygotic reproductive isolation?
ECOLOGICAL isolation
BEHAVIORAL isolation
TEMPORAL isolation
MECHANICAL isolation
prevention of gamete fusion
(pre-zygotic) when species are physically separated
ECOLOGICAL isolation
(pre-zygotic) when species mating rituals differ.
BEHAVIORAL isolation
(pre-zygotic) when two species mate at different times.
TEMPORAL isolation
pre-zygotic) when the species structures differ.
MECHANICAL isolation
What are gametes?
Gametes are eggs and sperm
(these two fuse to create a zygote.)
____ is the formation of new species
Speciation
____ can occur without speciation.
Evolution
Speciation is driven by ___.
Evolution
What are the 5 mechanisms of evolution?
Genetic drift
Natural selection
Non-random mating
Mutation
Gene flow
(mechanisms of evolution)
___ is essentially migration.
Gene flow
(mechanisms of evolution)
___ is the pressure that the environment puts on a population.
Natural selection
(mechanisms of evolution)
___ consists of change due to random chance.
Genetic drift
(mechanisms of evolution)
___ is when one allele changes into another.
Mutation
What are the two models of speciation?
allopatric, sympatric
(models of speciation)
species are geographically separated.
allopatric
(models of speciation)
species are NOT geographically separated.
sympatric
(models of speciation)
___ is more likely to cause speciation.
allopatric
(models of speciation)
___ is less likely to cause speciation.
sympatric
(models of speciation)
___ has no gene flow.
allopatric
(models of speciation)
___ HAS gene flow.
sympatric
What are the 9 classification levels in order?
Domains
Kingdoms
Phylum
Class
Order
Family
Genus
Species
(Dear King Philip Came Over For Good Soup)
What’s an example of a domain?
Eukaryotes
What’s an example of a kingdom?
Animalia
What’s an example of a phylum?
Chordata
What’s an example of a class?
Mammalia
What’s an example of an order?
Primates
What’s an example of a family?
Himindae
What’s an example of a genus?
Homo
What’s an example of a species?
Sapien
Eukaryotes TRAITS:
nuclei, organelle, multicellular
Animalia TRAITS:
consumers, mobile
Chordata TRAITS:
spinal cord
Mammalia TRAITS:
milk, hair
Primates TRAITS:
opposable thumbs
Homindae TRAITS:
no tale
Homo TRAITS:
bipedalism (walking on two feet)
Sapiens TRAITS:
.world domination???
Life began roughly 4B years ago, originating from ___.
LUCA
(last universal common ancestor)
What are the 3 domains of life?
Eukarya, Bacteria, Archaea
___ is the study of evolutionary relationships.
systematics
___ is the classification of organisms.
taxonomy
Which has a nucleus?
(prokaryotes, eukaryotes)
eukaryotes
Which has an organelle?
(prokaryotes, eukaryotes)
eukaryotes
Which has a cell wall?
(prokaryotes, eukaryotes)
prokaryotes
Which can be multicellular?
(prokaryotes, eukaryotes)
eukaryotes
Which is unicellular?
(prokaryotes, eukaryotes)
prokaryotes
animals, fungi, plants, and protists are an example of ____.
(prokaryotes, eukaryotes)
eukaryotes
___ includes bacteria and archaea.
(Prokaryotes, Eukaryotes)
Prokaryotes
(Types of eukaryotes)
___ are immobile heterotrophs
(fungi, animals, protists, plants)
fungi
Protists are organized into ___ supergroups.
6
(Protists) ___ have undulating membranes for movement and are parasitic
Excavata
(Protists) __ contain ciliates and brown algae
Chromalveolata
(Protists) ___ are single-celled protists with glassy silicon shells
Rhizaria
(Protists) ___ include red algae, green algae, and land plants
Archaeplastida
(Protists) ___ are mostly single-celled protists that use pseudopodia formovement
Amoebozoa
(Protists) ___ includes colonial flagellates, fungi, and animals
Opisthokonta
(Biological levels of organization)
___ focus on adaptation to an environment.
Organisms
(Biological levels of organization)
___: all living members of a taxon of organisms
Species
(Biological levels of organization)
___: all members of the same species in the same location at the same time.
Populations
(Biological levels of organization)
___: all the various populations at a particular locale.
Community
(Biological levels of organization)
___: living organisms and their physical environment
Ecosystem
(Biological levels of organization)
___: portion of Earth’s surface where living things exist
Biosphere
What are the 2 fundamental patterns of population growth
Exponential growth, logistic growth
The J-shaped curve is an example of EXPONENTIAL growth, and has which two phases?
Lag phase —> Exponential growth phase
The S-shaped growth curve is an example of LOGISTIC growth, and has which 4 phases?
Lag phase –> exponential growth –> deceleration phase –> stable equilibrium phase
(Biomes) ___: have diverse plant growth and heavy precipitation.
Tropical rainforests
(Biomes) ___: experience only an annual drought with rainy seasons, but are warm year-round.
Tropical Savannas
(Biomes) ___: endure year-round heat and are dry
Deserts
(Biomes) ___: have diverse temperatures with substantial rainfall.
Grasslands
(Biomes) ___: have diverse temperatures with enough precipitation to support diversity of life
temperate deciduous forest
(Biomes) ___: are similar to tropical rainforests with their heavy rainfall, but it does not stay warm.
temperate rainforest
(Biomes) ___: are not diverse in their plant life because it is usually cold and only a moderate amount of precipitation.
Boreal forests
(Biomes) ___: have LOW plant diversity, like an arctic desert.
Tundra