Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Pearson Biology > Final exam study > Flashcards

Final exam study Flashcards

You may prefer our related Brainscape-certified flashcards:
AP® Biology flashcards Biology 101 flashcards
1
Q

What is directional selection?

A

one extreme in the population is the favored variant

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

what is stabilizing selection?

A

removes the extremes and preserves intermediate types

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

what is disruptive selection?

A

Both the extremes are favored for while the intermediate is favored against

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

What is the difference between convergent evolution and homology?

A

When there is a homology it is because the organisms shared an ancestor while in convergent evolution the organisms evolved in similar environments without a shared ancestor

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

What is speciation

A

evolutionary process in which a species splits into 2 or more new species

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

What is Allopatric speciation?

A

new species are formed from geographic isolation

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

what is sympatric speciation?

A

new species are formed without geographic separation

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

what are some examples of how sympatric speciation can occur (3)

A

polyploidy, sexual selection, habitat differentiation

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

What is the order and classification of animal phylogenies

A

Domain, kingdom, phyla, class, order, genus species

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

what is a monophyletic group?

A

an ancestral species and all of its descendants

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

what is a paraphyletic group?

A

an ancestral species and some of its descendants

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

what is a polyphyletic group?

A

includes distantly related species but does not include there most common ancestor

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

what is the function of vasular plant tissue

A

acts as the plumbing system, transorts water and nutrietns throughout the plant

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

What is the difference between proto and deutero (in clevage type)

A

proto: spiral/determinate
deutero: radial/inderterminate

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

What is the difference between proto and deutero (coelom formation)

A

Proto: coelom forms from splits in the mesoderm
deutero: coelom forms from mesodermal outpocketing of the archenteron

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

What is the difference between proto and deutero (fate of the blastophore)

A

proto: mouth develops first
deutero: Anus develops first

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

what are the 4 main synapormorphies in chordates

A

1- notochord ( skeletal support)
2- dorsal hollow nerve cord (CNS)
3- Pharyngeal slits/clefts (allow water to exit body easier)
4- Muscular post anal tail (helps propel)

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

what are 2 traits helped plants develop on land

A

sporopollenin and vascular tissue

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

what is an example of phenotypic plasticity

A

diet of caterpillars changes their morphology

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q 
order from most inclusive to least inclusive
microevolution
sexual selection
evolution
natural selection 
intra sexual selection
A 
evolution
microevolution
natural selection
sexual selection
intra sexual selection
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

how do you find allopolyploidy?

A

add the diploid # of (a) to the diploid # of (b)

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

what 3 events lead to allopatric speciation

A

Genetic isolation
divergence
genetic drift

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

what are 2 types of genetic drift

A

bottleneck effect

founder effect

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

what is the bottleneck effect

A

an unpredictable event occurs taking a large portion of the pop away, leaving a pop that wasn’t representative of the orginal

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Q

what is the founder effect

A

small group of individuals become isolated somewhere else and start to diverge

26
Q

what is the cambrian explosion an example of

A

adaptive radiation

27
Q

what is the origin of life sequence (4 steps)

A

synthesis of monomers
synthesis of polymers
formation of protocells
formation of DNA based gentic system

28
Q

plastids surrounded by more than 2 membranes are evidence of?

A

secondary endosymbiosis

29
Q

what is the order of tissue inside a tree

A

xylem–> Vascular cmbrium—> phloem

30
Q

what is xylem

A

transports water from leaves (one way)

31
Q

what is phloem

A

transports sugar (twoway)

32
Q

what is the vascular cambrium

A

main growth layer

33
Q

bark consists of what (2 layer)

A

phloem and cork

34
Q

what contributes the most to tree growth

A

xylem , becasue it grows due to water (tree rings)

35
Q

gymnosperms differ from ferns becasue

A

gymnosperms have pollen

36
Q

what are the primary contributers to plant mass

A

water and air

37
Q

what part of the flower develops into fruit

A

the ovary

38
Q

True of false protists can be eukaryotes or prokaryotes

A

true

39
Q

plant growth is describes as

A

indeterminate

40
Q

arrange from smallest to largest
Gametphyte
gamete
antheridia

A

1 gamete
2 Antheridia
3 gametophyte

41
Q 
order from earliest to most recent
chordates
tetrapods
vertebrates 
deuterstomes
biaterians 
amniotes
A 
1 bilaterians
2 dueterostomes 
3 chordates
4 vertebrates
5 tetreapods
6 aminotes
42
Q

both mootremes and marsupials…

A

have some embryonic development outside of the uterus

43
Q

is Tiktaalik a predator, t or f?

A

true

44
Q

porifera lack what

A

lack true tissue

45
Q

cnidaria use what defence mech

A

stinging structures

46
Q

PLatyhelminthes have no..

A

digestive tract

47
Q

mollusca move around with what

A

a muscular foot

48
Q

annelida have what type of body plan

A

(worm) segemented body plan

49
Q

nematoda don’t have

A

a circulatory system

50
Q

anthropoda have a

A

exoskeleton

51
Q

lancelets are an examlpe of

A

chordates

52
Q

what develpoed inbetween the tunicates(urochrodata) and hagfish (Myxini)

A

a head

53
Q

what are agnathans

A

jawless fish
composed of
1 myxini
2 lampreys

54
Q

what feature developed in lampreys

A

vertebral colum

55
Q

what feature developed with condricthes

A

jaw and paired appendages

56
Q

what are gnathostomatomes

A

have jaws

57
Q

Actinopterygii are what type of fish

A

ray finned fish

58
Q

Sarcopterygii are what type of fish

A

lobe finned fish

59
Q

Amphibia are the first examples of what

A

tetrapods

60
Q

Amniotic membrane developed in what phyla

A

mammalia

61
Q

epidermal scales are of what phyla

A

reptila

Pearson Biology (7 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions