Brainscape's Knowledge GenomeTM


Top Flashcards (Certified)
All Flashcards

Ecology > Life History Patterns > Flashcards

Life History Patterns Flashcards

1
Q

_____ Reproduction is the fusion of gametes

- 50% DNA

A

Sexual Reproduction

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

_____ Reproduction is reproduction without fertilization

  • includes budding, dividing, and fission
  • 100% DNA
A

Asexual Reproduction

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

_____ is a form of asexual reproduction in which the ovum develops without fertilization by a male
ex: aphids

A

Parthenogenesis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

_____ Tradeoff is when there’s genetic diversity with slow growth of population

A

Sexual Tradeoff

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

_____ Tradeoff is when the offspring are genetically identical to the parent, there’s no genetic diversity and rapid growth of a population

A

Asexual Tradeoff

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

_____ is when the female steals sperm from males to use for energy or to stimulate parthenogenesis, but not fertilization

A

Kleptogenesis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

the _____ produces pollen on a plant

A

Stamen

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

the _____ produces the ovule on a plant

A

Pistil

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

_____ is when theres male and female parts on separate plants

A

Dioecious

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

_____ is when theres male and female flowers on the same plant

A

Monoecious

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

a _____ has male and female parts on the same flower

A

Perfect Flower

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

the _____ is at the base of the pistil

A

Ovary

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

the _____ is part of the pistil where pollen lands

A

Stigma

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

the _____ is the elongated area between the ovule and the stigma

A

Style

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

_____ is where pollen competes in the style to be the first to the ovule for fertilization

A

Pollen Competition

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

a _____ is an organism with both female and male reproductive organs

A

Hermaphrodite

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

a _____ Hermaphrodite is an organism that simultaneously has male and female organs at the same time

A

Simultaneous Hermaphrodite

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

a _____ Hermaphrodite is an organism that changes sex over time

A

Sequential Hermaphrodite

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

a _____ Hermaphrodite is a type of Sequential Hermaphrodite that is a female first

A

Protogynous Hermaphrodite

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

a _____ Hermaphrodite is a type of Sequential Hermaphrodite that is a male first

A

Protandrous Hermaphrodite

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

_____ is a lasting pair bond between one male and one female

A

Monogamy

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

_____ is 2 or more mates by one individual

A

Polygamy

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

_____ is a form of Polygamy where the male pairs with 2 or more females

A

Polygyny

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

_____ is a form of Polygamy where the female pairs with 2 or more males

A

Polyandry

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
_____ are when males and female mate without forming pair bonds; no lasting pair bonds with a lot of mates
Promiscuity
26
_____ seek copulation with an individual outside the pair bond
Extra Pair Copulations
27
_____ is systematic differences in form between individuals of different sex in the same species
Sexual Dimorphism
28
_____ Selection is sexual selection based on competition within one sex for opportunity to mate
Intrasexual Selection
29
_____ Selection is differential attractiveness of individuals with one sex to the other - mate choice
Intersexual Selection
30
_____ is competition among sperm from more than one male to fertilize the eggs of one female
Sperm Competition
31
_____ is the use of physical or chemical mechanisms by a female to select which sperm will fertilize her eggs
Cryptic Female Choice
32
_____ is behaviors to prevent reproductive opportunities or access to another mate
Mate Guarding
33
_____ are a communal where 2 or more males perform courtship display
Leks
34
_____ is less predation by satiating predators and birth for times when resources are available
Synchronize Breeding
35
_____ is having a single reproductive effort over a lifetime
Semelparity
36
_____ is having multiple reproductive efforts over a lifetime
Iteroparity
37
_____ includes competition, stress tolerance and ruder colonization ability
Grimes Three Way Tradeoff
38
Grimes Three Way Tradeoff is what 3 things?
1. Competition 2. Stress Tolerance 3. Ruderal Colonization Ability
39
_____ plants are semelparous
Annual Plants
40
_____ plants are semelparous but live for two years
Biennial Plants
41
_____ plantar iteroparous
Perennials
42
_____ is a lifetime pattern of growth, development and reproduction
Life History
43
_____ is the ability to reproduce
Fecundity
44
_____ are short lived with high reproductive rates at low population densities, rapid development, small body size, large number of offspring with low survival and minimal parental care
R-Strategists
45
What are the 6 characteristics of R-Strategists?
1. High reproductive rates at low population densities 2. Rapid development 3. small body size 4. Large number of offspring with low survival 5. Minimal parental care 6. Short lived
46
the _____ is a mathematical expression for the population growth curve in which rate of increase decreases linearly as population size increases
Logistic Growth Equation
47
What is the Logistic Growth Equation?
dN/dt = rN (K-N)/(K)
48
_____ is how females make decisions about resources versus parental care
Polygyny Threshold Model
49
What are the _____ steps of Polygyny Threshold Model
1. Males arrive first and settle 2. Females arrive sequentially 3. 1st female goes to the best territory 4. 2nd female goes to the next best and so on
50
the point where it pays to go to an already occupied territory even if the male will not help with the offspring is the _____ in a Polygyny Threshold Model
Polygyny Threshold
51
In a Polygyny Threshold Model what influences the number of females?
The male territory quality
52
_____ are good competitors with a slow growth rate, stable populations, long-lived individuals, small number of offspring and parental care
K-Strategists
53
What are the 6 characteristics of a K-Strategist?
1. Good competitor 2. Slow growth rate 3. Stable population 4. Long-lived individuals 5. Small number of offspring 6. Parental care
54
the ____ is when frequent disturbance still favors highly fecund, short-lived species when stress is low - low disturbances favor long-lived species when stress is low
Grime's Life History Theory
55
_____ is cross fertilization in which pollen from one individual fertilizes the ovum of another
Outcrossing
56
a _____ is the pattern of mating between males and females in a population
Mating System
57
_____ are young that are able to move about and forage for themselves shortly after birth
Precicual
58
_____ are young that are born or hatched in a helpless condition and require considerable parental care
Altricial
59
_____ is the total energetic costs of reproduction per unit time
Reproductive Effort
60
_____ are males that look like females
Sneaker Males

Ecology (9 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2025 Bold Learning Solutions. Terms and Conditions