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Flashcards in Final Review Deck (50):
1

step in a food chain

trophic level

2

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

population

3

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

commensalism

4

predictable changes that occur in a community over time

succession

5

movement of organisms out of a population

emigration

6

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

common ancestor

7

all of the genes of all members of a population

gene pool

8

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

diversifying

9

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

99%

10

type of isolation in which species breed at different times

temporal

11

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

binomial nomenclature

12

order of taxa from most general to most specific

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

13

term for round bacterial shape

cocci

14

three roles of bacteria in the emnvironment

photosynthesis, recycle nutrients, fix nitrogen

15

organism that causes ringworm

fungi

16

process used by bryophytes to obtain water

osmosis

17

two types of vascular tissue

xylem and phloem

18

part of the flower that produces pollen grains

anther

19

purpose of a flower's petals

attract pollinators

20

part of the flower that holds the ovules

ovary

21

purpose of the seed coat

tough outer layer for protection

22

four groups of gymnosperms

cycads, conifers, gnetophytes, ginkoes

23

type of plant that produces seeds in ovaries

angiosperm

24

part of a plant's leaf where photosynthesis occurs

meosphyll

25

early growth stage of a plant

germination

26

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

dormancy

27

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

gravitropism

28

circular or round symmetry

radial

29

symmetry with right and left sides

bilateral

30

most important function of the skin

protection

31

what swollen lymph nodes indicate

infection

32

type of blood cells that contain hemoglobin

red

33

organ that transports food from the pharynx to the stomach

esophagus

34

where fertilization takes place

fallopian tube

35

term for a fertilized egg

zygote

36

body's most important nonspecific defense

skin

37

cells targeted by HIV

helper t cells

38

system of the body immediately affected by alcohol

nervous

39

difference between a producer and a consumer

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

40

all members of a population are also members of the same

species

41

difference between a community and a population

community consists of many populations

42

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

parasitism

43

a living factor

biotic

44

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

directional

45

the two parts of a scientific name

genus and species

46

substance that makes up cell walls of fungi

chitin

47

how fungi get their food

absorption

48

function of fungi in the environment

break down dead organisms

49

type of vascular tissue that conducts water

xylem

50

a plant that lives for one year

annual