Final Review Flashcards

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1
Q

step in a food chain

A

trophic level

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2
Q

all of the members of a particular species that live in an area

A

population

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3
Q

symbiotic relationship in which ones species benefits and the other is unaffected

A

commensalism

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4
Q

predictable changes that occur in a community over time

A

succession

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5
Q

movement of organisms out of a population

A

emigration

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6
Q

organisms with similar physical characteristics are thought to have descended from a

A

common ancestor

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7
Q

all of the genes of all members of a population

A

gene pool

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8
Q

type of selection in which both extreme forms of a trait are favored

A

diversifying

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9
Q

proportion of all species that have ever lived that are now extinct

A

99%

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10
Q

type of isolation in which species breed at different times

A

temporal

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11
Q

the current system of classification used to give species universally accepted names

A

binomial nomenclature

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12
Q

order of taxa from most general to most specific

A

kingdom, phylum, class, order, family, genus, species

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13
Q

term for round bacterial shape

A

cocci

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14
Q

three roles of bacteria in the emnvironment

A

photosynthesis, recycle nutrients, fix nitrogen

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15
Q

organism that causes ringworm

A

fungi

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16
Q

process used by bryophytes to obtain water

A

osmosis

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17
Q

two types of vascular tissue

A

xylem and phloem

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18
Q

part of the flower that produces pollen grains

A

anther

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19
Q

purpose of a flower’s petals

A

attract pollinators

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20
Q

part of the flower that holds the ovules

A

ovary

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21
Q

purpose of the seed coat

A

tough outer layer for protection

22
Q

four groups of gymnosperms

A

cycads, conifers, gnetophytes, ginkoes

23
Q

type of plant that produces seeds in ovaries

A

angiosperm

24
Q

part of a plant’s leaf where photosynthesis occurs

A

meosphyll

25
Q

early growth stage of a plant

A

germination

26
Q

period where the embryo of a seed is alive but not growing

A

dormancy

27
Q

plant response that causes shoots to grow up and roots to grow down

A

gravitropism

28
Q

circular or round symmetry

A

radial

29
Q

symmetry with right and left sides

A

bilateral

30
Q

most important function of the skin

A

protection

31
Q

what swollen lymph nodes indicate

A

infection

32
Q

type of blood cells that contain hemoglobin

A

red

33
Q

organ that transports food from the pharynx to the stomach

A

esophagus

34
Q

where fertilization takes place

A

fallopian tube

35
Q

term for a fertilized egg

A

zygote

36
Q

body’s most important nonspecific defense

A

skin

37
Q

cells targeted by HIV

A

helper t cells

38
Q

system of the body immediately affected by alcohol

A

nervous

39
Q

difference between a producer and a consumer

A

producer is able to make its own food through photosynthesis or chemosynthesis

40
Q

all members of a population are also members of the same

A

species

41
Q

difference between a community and a population

A

community consists of many populations

42
Q

symbiotic relationship in which one species benefits and the other is harmed

A

parasitism

43
Q

a living factor

A

biotic

44
Q

type of selection in which one extreme form of a trait is favored

A

directional

45
Q

the two parts of a scientific name

A

genus and species

46
Q

substance that makes up cell walls of fungi

A

chitin

47
Q

how fungi get their food

A

absorption

48
Q

function of fungi in the environment

A

break down dead organisms

49
Q

type of vascular tissue that conducts water

A

xylem

50
Q

a plant that lives for one year

A

annual