Final Review

Question 1

step in a food chain

Answer 1

trophic level

Question 2

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

Answer 2

population

Question 3

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

Answer 3

commensalism

Question 4

predictable changes that occur in a community over time

Answer 4

succession

Question 5

movement of organisms out of a population

Answer 5

emigration

Question 6

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

Answer 6

common ancestor

Question 7

all of the genes of all members of a population

Answer 7

gene pool

Question 8

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

Answer 8

diversifying

Question 9

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

Answer 9

99%

Question 10

type of isolation in which species breed at different times

Answer 10

temporal

Question 11

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

Answer 11

binomial nomenclature

Question 12

order of taxa from most general to most specific

Answer 12

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

Question 13

term for round bacterial shape

Answer 13

cocci

Question 14

three roles of bacteria in the emnvironment

Answer 14

photosynthesis, recycle nutrients, fix nitrogen

Question 15

organism that causes ringworm

Answer 15

fungi

Question 16

process used by bryophytes to obtain water

Answer 16

osmosis

Question 17

two types of vascular tissue

Answer 17

xylem and phloem

Question 18

part of the flower that produces pollen grains

Answer 18

anther

Question 19

purpose of a flower’s petals

Answer 19

attract pollinators

Question 20

part of the flower that holds the ovules

Answer 20

ovary

Question 21

purpose of the seed coat

Answer 21

tough outer layer for protection

Question 22

four groups of gymnosperms

Answer 22

cycads, conifers, gnetophytes, ginkoes

Question 23

type of plant that produces seeds in ovaries

Answer 23

angiosperm

Question 24

part of a plant’s leaf where photosynthesis occurs

Answer 24

meosphyll

Question 25

early growth stage of a plant

Answer 25

germination

Question 26

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

Answer 26

dormancy

Question 27

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

Answer 27

gravitropism

Question 28

circular or round symmetry

Answer 28

radial

Question 29

symmetry with right and left sides

Answer 29

bilateral

Question 30

most important function of the skin

Answer 30

protection

Question 31

what swollen lymph nodes indicate

Answer 31

infection

Question 32

type of blood cells that contain hemoglobin

Answer 32

red

Question 33

organ that transports food from the pharynx to the stomach

Answer 33

esophagus

Question 34

where fertilization takes place

Answer 34

fallopian tube

Question 35

term for a fertilized egg

Answer 35

zygote

Question 36

body's most important nonspecific defense

Answer 36

skin

Question 37

cells targeted by HIV

Answer 37

helper t cells

Question 38

system of the body immediately affected by alcohol

Answer 38

nervous

Question 39

difference between a producer and a consumer

Answer 39

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

Question 40

all members of a population are also members of the same

Answer 40

species

Question 41

difference between a community and a population

Answer 41

community consists of many populations

Question 42

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

Answer 42

parasitism

Question 43

a living factor

Answer 43

biotic

Question 44

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

Answer 44

directional

Question 45

the two parts of a scientific name

Answer 45

genus and species

Question 46

substance that makes up cell walls of fungi

Answer 46

chitin

Question 47

how fungi get their food

Answer 47

absorption

Question 48

function of fungi in the environment

Answer 48

break down dead organisms

Question 49

type of vascular tissue that conducts water

Answer 49

xylem

Question 50

a plant that lives for one year

Answer 50

annual