2.1 Flashcards
1
Q
What distribution is from competition and survival
A
uniform
2
Q
what distribution is from no compition and lots of offspring
A
random
3
Q
what distrubution is from resources being in specific areas
A
clumped
4
Q
Predators are examples of what?
A
Biotic Factor
5
Q
Natural Disastors are examples of what?
A
Abiotic Facter
6
Q
Populations are measured two ways. what are they?
A
Size and Density
7
Q
What is formula for mark and recapture
A
marked/found = total marked/x
8
Q
Same Species, Same area, Same time
A
Population
9
Q
Random Sampling: A biologist studys the dandelions of a field that is 2000 ft square. He takes 5 samples of 100 ft square.
1: 20
2. 30
3: 5
4: 50
5:25
A
130/5 = x/20
x = 520