BIO Lab Test 1 Flashcards

You may prefer our related Brainscape-certified flashcards:
1
Q

survivorship rate (S)

A

fraction of individuals that survive selection
S = survivors/total

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

relative fitness (w)

A

measure of a phenotype’s fitness relative to the most fit phenotype
w = S/Shighest

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

selection coefficient (s)

A

selection against a phenotype relative to the most successful phenotype
* s=1 means complete selection against
* s=0 means there is no selection against
s = 1-w

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

Carolus Linneaus

A
  • created the system of classifying organisms is what we know as the Hierarchical Classification System
  • popularized binomial nomenclature
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Do Kings Play Chess On Fuzzy Green Squares?

A

Domain
Kingdom
Phylum
Class
Order
Family
Genus
Species

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

phylogenetic tree

A

a diagram that summarizes the evolutionary history of a group of organisms

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

which type of data is best for phylogenetics?

A

both molecular and morphological data help

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

node

A

represents a common ancestor

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

clade

A

a group of organisms that includes a common ancestor and all descendants of that ancestor

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

convergent evolution

A

when two species that have already diverged develop the same trait b/c they have similar environmental factors

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

synapomorphy

A

a trait shared by species that share a common ancestor

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

Central Dogma

A

DNA - RNA - protein

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

silent mutation

A

DNA change that doesn’t change the amino acid coded for

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

missense mutation

A

DNA change that alters the amino acid coded for

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

niche

A

the role of an organism in an ecosystem

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

competitive exclusion

A

when only one species can be supported by the competed-over resources

17
Q

niche partitioning

A

when two species can occupy a niche together because each specializes in different resources

18
Q

adaptive radiation

A

rapid diversification of species to adapt to new ecological niches

19
Q

ecomorph

A

animals with a morphology adapted to a particular environment
* species that inhabit similar niches can by grouped together in ecomorphs