Biology Midterm Study Guide

Front 1

____ is not a phase in mitosis

Back 1

interphase

Front 2

____ is a malignant growth resulting from uncontrolled cell growth

Back 2

cancer

Front 3

__ is the diffusion of water along a semi permeable membrane

Back 3

osmosis

Front 4

____ is a solution in which there is more water inside the cell than outside and therefore causes the cell to shrivel

Back 4

hypertonic solution

Front 5

___ is the phase in the Cell cycle where the chromosomes are doubled

Back 5

interphase

Front 6

the levels or organization from smallest to largest is..

Back 6

cell, tissue, organ, organ system

Front 7

___ are proteins that control the cell cycle

Back 7

diffusion, amount of DNA, surface area to volume ratio

Front 8

the phases of mitosis are...

Back 8

prophase, metaphase, anaphase, telophase

Front 9

the stringy structures in the cell nucleus that contain DNA are...

Back 9

chromosomes

Front 10

a diet low in fat and high in fiber can reduce the risk of many kinds of cancer

Back 10

true

Front 11

___ processes require oxygen, where as ____ processes do not.

Back 11

aerobic - anaerobic

Front 12

energy used by the cell is called

Back 12

PTA

Front 13

the structure that light dependent reactions of photosynthesis take place in the

Back 13

chloroplast

Front 14

the stage or cellular respiration is glucose broken down into two molecules or pyruvic acid called

Back 14

glycolysis

Front 15

the stage that is not part of cellular respiration is called..

Back 15

calvin cycle

Front 16

the products of photosynthesis are sugar and oxygen (T or F)

Back 16

true

Front 17

the process that uses the suns energy to make simple sugars is...

Back 17

photosynthesis

Front 18

the process by which mitochondria break down food molecules to produce ATP is called _____

Back 18

cellular respiration

Front 19

the stage of photosynthesis is carbon from CO2 used to form a six-carbon sugar is known as the...

Back 19

calvin cycle

Front 20

a community is a group of organisms, all of the same species, which live in a specific area

Back 20

false

Front 21

populations experience linear growth (a steady increase that is graphed in a straight line)

Back 21

false

Front 22

biodiversity decreases as you move toward the equator

Back 22

false

Front 23

one of the biggest reasons for the decline in biodiversity is habitat loss

Back 23

true

Front 24

the initial increase in a population is slow because the number of reproducing individuals is small. the growth increases because the total number of individuals is small. the growth increases because the total number of individuals that are able to reproduce is larger. this is known as an S-shaped curve.

Back 24

true

Front 25

a threatened species is one in which the numbers become so low that extinction is possible

Back 25

false

Front 26

an african elephant is one of the threatened species of today

Back 26

true

Front 27

biodiversity is the study and implementation of methods to protect biological diversity

Back 27

false

Front 28

the Endangered Species Act, the law which protects only species who are endangered, was enacted in 1993

Back 28

false

Front 29

black footed ferret is a species that was saved from extinction thanks to a captive breeding program

Back 29

true

Front 30

the number of species of an area is known as

Back 30

biodiversity

Front 31

organisms are dispersed in a variety of ways, all except...

Back 31

diverse

Front 32

interactions of organisms limit population size by

Back 32

predation, competition, crowding, stress

Front 33

when a population increases to the point in which demand for resources exceeds the supply, the populations size..

Back 33

decreases, reaches its carrying capacity

Front 34

populations grow in a predictable manner. order the stages in which this occurs

Back 34

beginning growth, rapid growth, leveling off, carrying capacity, fluctuations

Front 35

____ doesn't have rapid life-history

Back 35

humans

Front 36

chinese monks cared for and held the Ginkgo tree in there temple grounds. is an

Back 36

exotic species

Front 37

in human population, PGR stands for...

Back 37

population growth rate

Front 38

population growth rate is above zero when...

Back 38

the birth rate is greater then the death rate

Front 39

doubling time is...

Back 39

time needed for a population to double in size

Front 40

biodiversity is important for life because..

Back 40

living things in nature are interdependent, and depend on each other for resources, it brings stability to an ecosystem, it is important for the human race to be able to depend on diversity of species

Front 41

organisms are dispersed in a variety of ways, all except...

Back 41

diverse

Front 42

interactions of organisms limit population size by

Back 42

predation, competition, crowding, stress

Front 43

when a population increases to the point in which demand for resources exceeds the supply, the populations size..

Back 43

decreases, reaches its carrying capacity

Front 44

populations grow in a predictable manner. order the stages in which this occurs

Back 44

beginning growth, rapid growth, leveling off, carrying capacity, fluctuations

Front 45

____ doesn't have rapid life-history

Back 45

humans

Front 46

chinese monks cared for and held the Ginkgo tree in there temple grounds. is an

Back 46

exotic species

Front 47

in human population, PGR stands for...

Back 47

population growth rate

Front 48

population growth rate is above zero when...

Back 48

the birth rate is greater then the death rate

Front 49

doubling time is...

Back 49

time needed for a population to double in size

Front 50

biodiversity is important for life because..

Back 50

living things in nature are interdependent, and depend on each other for resources, it brings stability to an ecosystem, it is important for the human race to be able to depend on diversity of species