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Lernmaterialien für Evolutionary Biology Final an der University of Connecticut

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TESTE DEIN WISSEN
1. Jean Baptiste-Lamarck contribution
2. His theory goes against what belief 
3. Does his theory fail 
Lösung anzeigen
TESTE DEIN WISSEN
Supported that fossils show change over time and proposed the evolutionary mechanism of use and disuse- things grow when they are used and species change over their lifetime. There is no common ancestor and life is always newly generating spontaneous species. 
2. Goes against Creationism 
3. Fails 
Lösung ausblenden
TESTE DEIN WISSEN

1. what is the Biological species concept 

2. what is the problem with this concept

3. why is this concept important or what does this concept tell you 

4. true or false, this concept is commonly used 

Lösung anzeigen
TESTE DEIN WISSEN

1. states that species are groups of organisms that are able to interbreed 

2. hybrids can be produced (hybridization, ex. donkeys). Same-sex tend not to breed, so if they don't breed with each other they are not part of the species? (ex. Father and son or males tend not to breed with each other or women tend not to breed with other women does that mean that both male and female humans are not part of the human species?). This concept is not good to determine if fossils are part of the species.  

3. it's important b/c concept points to reproductive isolation- separation of species so they cannot interbreed

4. true, this concept is commonly used 

Lösung ausblenden
TESTE DEIN WISSEN

1. define sexual selection 

2. define sexual repro. 

3. define asexual repro. 


Lösung anzeigen
TESTE DEIN WISSEN

1. evolutionary process that favors adaptations that increase mating 

2. 

-only eukaryotes can do it

-anything that involves meiosis 

3. repro. with meiosis

         -may be obligate (females make clones) or facultative ( can repro. both sexually and asexually)

Lösung ausblenden
TESTE DEIN WISSEN

1. define gender 

2. define sex 

3. define Monoecious 

Lösung anzeigen
TESTE DEIN WISSEN

1. range of identities that do not correlate with definition of biological female and male 

2. trait that determines the nature of a gamete (if the gamete is female or male) 

3. one indiv. produces eggs and sperm

Lösung ausblenden
TESTE DEIN WISSEN

1. Define dioecious 

2. define sequential hermaphroditism 

3. types of sex determination in dioecious species 

Lösung anzeigen
TESTE DEIN WISSEN

1. two types of indiv. produce eggs and sperm (one indiv. produces eggs and one indiv. produces sperm)

2. indiv. starts produc. one type of gamete then switches to the other 

3. chromosomal (ex. xx-female/xy-male; mammals) and Environmental ( temp., nutrients ect.)

Lösung ausblenden
TESTE DEIN WISSEN

1. define sexual dimorphism (on paper)

2. what are the two types of sexual dimorphism 

3. define anisogamy (on paper)

Lösung anzeigen
TESTE DEIN WISSEN

1. physical diff. between males and females of the same species 

2. primary sex characteristics (gonads) and secondary sexual characteristics (color, size ect.)

3. two kinds of gametes (ovum and sperm) 

Lösung ausblenden
TESTE DEIN WISSEN

1. Which gamete is expensive and cheap?

2. true or false, disruptive selection gets rid of intermediate gametes (anything in the middle of egg and sperm)

3. true or false, theory: females make lower investment in offspring than males 

Lösung anzeigen
TESTE DEIN WISSEN

1. Ovum or egg is expensive b/c few in # and sperm is cheap b/c high in #

2. true 

3. false, females make greater investment in offspring than males; females usually commit more parental investment than males 

Lösung ausblenden
TESTE DEIN WISSEN

1. define Altruistic allele and a selfish allele

, which alleles spread by indiv. and group selection (on paper)

2. Define Price Model (on paper) 

3. Social behavior types: (on paper)

Lösung anzeigen
TESTE DEIN WISSEN

1. A A- acts in interest of genome (spreads by group selection) and SA- acts in own interest (spreads by indiv. selection)

2. looks at variation between groups, within groups, and selection 

 3. 

-mutual benefit: everyone benefits 

-selfishness: one wins (actor) and one loses (recipient)

-Altruism: one wins (recipient) and one loses (actor); still selfish 

-Spite: both actor and recipient lose; rare case 


Lösung ausblenden
TESTE DEIN WISSEN

1. define Selfish herd hypothesis (on paper)

2. why do animals cooperate?

3. what does sibling relatedness, r=50 mean?

Lösung anzeigen
TESTE DEIN WISSEN

1. animals herd together to reduce the risk of getting eaten; animals in herd are bunched together to protect themselves (indiv.) from getting eaten

2. -cooperation: they cooperate to keep score (I'll do good today, you will help me tomorrow) 

3. r= relatedness , you share 50% of your alleles with a sibling 

Lösung ausblenden
TESTE DEIN WISSEN

1. define kin recognition hypothesis (on paper)

2. define assortative mating, does this push linkage disequilibrium?

3. define fisherian runaway selection: (on paper)

Lösung anzeigen
TESTE DEIN WISSEN

1. the ability for one to discern if they are related 

2. indiv. mate with indiv. who are similar or diff. to themselves, this pushes linkage disequilibrium b/c all possible combinations are not favored and will disappear  

3. female mating preferences create a pos. feedback loop in male traits (become more extreme) 

Lösung ausblenden
TESTE DEIN WISSEN

1. define anagenesis 

2. define cladogenesis 

3. define allochronic speciation

Lösung anzeigen
TESTE DEIN WISSEN

1. phyletic evolution 

2. lineage splitting 

3. lineages are separates by temporal barrier (time) 

Lösung ausblenden
TESTE DEIN WISSEN

1. define allopatric speciation 

2. sympatric speciation and character development 

3. define gene flow 

Lösung anzeigen
TESTE DEIN WISSEN

1. lineages are separated by a spatial barrier (great distances) 

2. SS- occurs when there are no physical barriers preventing mating; CD- character traits of two species differ more when they are sympatric 

3. movement of alleles between pop. via interbreeding 


Lösung ausblenden
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  • 71 Studierende
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Beispielhafte Karteikarten für deinen Evolutionary Biology Final Kurs an der University of Connecticut - von Kommilitonen auf StudySmarter erstellt!

Q:
1. Jean Baptiste-Lamarck contribution
2. His theory goes against what belief 
3. Does his theory fail 
A:
Supported that fossils show change over time and proposed the evolutionary mechanism of use and disuse- things grow when they are used and species change over their lifetime. There is no common ancestor and life is always newly generating spontaneous species. 
2. Goes against Creationism 
3. Fails 
Q:

1. what is the Biological species concept 

2. what is the problem with this concept

3. why is this concept important or what does this concept tell you 

4. true or false, this concept is commonly used 

A:

1. states that species are groups of organisms that are able to interbreed 

2. hybrids can be produced (hybridization, ex. donkeys). Same-sex tend not to breed, so if they don't breed with each other they are not part of the species? (ex. Father and son or males tend not to breed with each other or women tend not to breed with other women does that mean that both male and female humans are not part of the human species?). This concept is not good to determine if fossils are part of the species.  

3. it's important b/c concept points to reproductive isolation- separation of species so they cannot interbreed

4. true, this concept is commonly used 

Q:

1. define sexual selection 

2. define sexual repro. 

3. define asexual repro. 


A:

1. evolutionary process that favors adaptations that increase mating 

2. 

-only eukaryotes can do it

-anything that involves meiosis 

3. repro. with meiosis

         -may be obligate (females make clones) or facultative ( can repro. both sexually and asexually)

Q:

1. define gender 

2. define sex 

3. define Monoecious 

A:

1. range of identities that do not correlate with definition of biological female and male 

2. trait that determines the nature of a gamete (if the gamete is female or male) 

3. one indiv. produces eggs and sperm

Q:

1. Define dioecious 

2. define sequential hermaphroditism 

3. types of sex determination in dioecious species 

A:

1. two types of indiv. produce eggs and sperm (one indiv. produces eggs and one indiv. produces sperm)

2. indiv. starts produc. one type of gamete then switches to the other 

3. chromosomal (ex. xx-female/xy-male; mammals) and Environmental ( temp., nutrients ect.)

Mehr Karteikarten anzeigen
Q:

1. define sexual dimorphism (on paper)

2. what are the two types of sexual dimorphism 

3. define anisogamy (on paper)

A:

1. physical diff. between males and females of the same species 

2. primary sex characteristics (gonads) and secondary sexual characteristics (color, size ect.)

3. two kinds of gametes (ovum and sperm) 

Q:

1. Which gamete is expensive and cheap?

2. true or false, disruptive selection gets rid of intermediate gametes (anything in the middle of egg and sperm)

3. true or false, theory: females make lower investment in offspring than males 

A:

1. Ovum or egg is expensive b/c few in # and sperm is cheap b/c high in #

2. true 

3. false, females make greater investment in offspring than males; females usually commit more parental investment than males 

Q:

1. define Altruistic allele and a selfish allele

, which alleles spread by indiv. and group selection (on paper)

2. Define Price Model (on paper) 

3. Social behavior types: (on paper)

A:

1. A A- acts in interest of genome (spreads by group selection) and SA- acts in own interest (spreads by indiv. selection)

2. looks at variation between groups, within groups, and selection 

 3. 

-mutual benefit: everyone benefits 

-selfishness: one wins (actor) and one loses (recipient)

-Altruism: one wins (recipient) and one loses (actor); still selfish 

-Spite: both actor and recipient lose; rare case 


Q:

1. define Selfish herd hypothesis (on paper)

2. why do animals cooperate?

3. what does sibling relatedness, r=50 mean?

A:

1. animals herd together to reduce the risk of getting eaten; animals in herd are bunched together to protect themselves (indiv.) from getting eaten

2. -cooperation: they cooperate to keep score (I'll do good today, you will help me tomorrow) 

3. r= relatedness , you share 50% of your alleles with a sibling 

Q:

1. define kin recognition hypothesis (on paper)

2. define assortative mating, does this push linkage disequilibrium?

3. define fisherian runaway selection: (on paper)

A:

1. the ability for one to discern if they are related 

2. indiv. mate with indiv. who are similar or diff. to themselves, this pushes linkage disequilibrium b/c all possible combinations are not favored and will disappear  

3. female mating preferences create a pos. feedback loop in male traits (become more extreme) 

Q:

1. define anagenesis 

2. define cladogenesis 

3. define allochronic speciation

A:

1. phyletic evolution 

2. lineage splitting 

3. lineages are separates by temporal barrier (time) 

Q:

1. define allopatric speciation 

2. sympatric speciation and character development 

3. define gene flow 

A:

1. lineages are separated by a spatial barrier (great distances) 

2. SS- occurs when there are no physical barriers preventing mating; CD- character traits of two species differ more when they are sympatric 

3. movement of alleles between pop. via interbreeding 


Evolutionary Biology Final

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