Deck #2 Flashcards

You may prefer our related Brainscape-certified flashcards:
0
Q

K selected organisms

A
  1. Reproduce later in life.
  2. Produce fewer offspring.
  3. Devote significant time and energy into their offspring.
  4. For them it is important to put time and energy into their offspring since they have so few of them.
  5. Examples include humans, lions and cues.
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
1
Q

R selected organisms

A
  1. Reproduce early in life and often.
  2. Have a high capacity for reproductive growth.
  3. Examples include: bacteria, algae and Protozoa.
  4. Not much care is given to the offspring, but due to the large numbers, the populations continue to survive.
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Actual growth rate percent formula

A

Birth rate - death rate

divided by 10.

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

Crude birth rate

A

Equal to the number of live births per 1000 members of the population in a year.

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

Crude death rate

A

Equal to the number of deaths per 1000 members of the population in a year.

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

Total fertility rate

A

The number of children a woman will bear during her lifetime.

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

Replacement birth rate

A

The number of children a couple must have in order to replace themselves in a population.

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

Carrying capacity (K)

A

Defined as the maximum population size that can sustainably be supported by the available resources in the region.

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

Logistical growth

A

Says that when populations are well below the size dictated by carrying capacity, their growth rate will decrease and the size of the population will eventually become stable.

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