5Th Grade Life Science

Front 1

amphibians

Back 1

Animals that have moist skin and no scales

Front 2

angiosperm

Back 2

A flowering plant

Front 3

asexual reproduction

Back 3

Reproduction by simple cell division

Front 4

biomass

Back 4

Organic matter, such as wood, that is living or was recently alive

Front 5

biome

Back 5

A large-scale ecosystem

Front 6

birds

Back 6

Vertebrates with feathers

Front 7

carbon dioxide-oxygen cycle

Back 7

The process by which carbon and oxygen cycle among plants, animals, and the environment

Front 8

cell

Back 8

The basic unit of structure and function of all living things

Front 9

cell membrane

Back 9

The thin covering that encloses a cell and holds its parts together

Front 10

cellular respiration

Back 10

The process by which cells release the energy in food to carry on life processes

Front 11

chlorophyll

Back 11

A pigment, or coloring matter, that helps plants use light energy to produce sugars

Front 12

classification

Back 12

The grouping of things by using a set of rules

Front 13

community

Back 13

All the populations of organisms living together in an environment

Front 14

competition

Back 14

The contest among organisms for the limited resources of an ecosystem

Front 15

consumer

Back 15

An organism in a community that must eat to get the energy it needs

Front 16

cotyledons

Back 16

The structures where food is stored in seeds

Front 17

cytoplasm

Back 17

A jellylike substance containing many chemicals that keep a cell functioning

Front 18

dominant trait

Back 18

A strong trait

Front 19

ecosystem

Back 19

A community and its physical environment together

Front 20

element

Back 20

A substance made up of only one kind of atom

Front 21

embryo

Back 21

The tiny plant inside a seed

Front 22

endangered

Back 22

A population of organisms that is likely to become extinct if steps are not taken to save it

Front 23

epidermis

Back 23

The outer layer of cells of a leaf

Front 24

exotic

Back 24

An imported or nonnative organism

Front 25

extinct

Back 25

No longer in existence; the result when the last individual of a population dies and that organism is gone forever

Front 26

fish

Back 26

Vertebrates that live their entire life in water

Front 27

fungi

Back 27

Living things that look like plants but cannot make their own food; example, mushrooms

Front 28

genus

Back 28

The second-smallest name grouping used in classification

Front 29

germinate

Back 29

The sprouting of a seed

Front 30

grafting

Back 30

A form of artificial reproduction that can produce desirable characteristics in woody plants

Front 31

cotyledons

Back 31

The structures where food is stored in seeds

Front 32

cytoplasm

Back 32

A jellylike substance containing many chemicals that keep a cell functioning

Front 33

dominant trait

Back 33

A strong trait

Front 34

ecosystem

Back 34

A community and its physical environment together

Front 35

element

Back 35

A substance made up of only one kind of atom

Front 36

embryo

Back 36

The tiny plant inside a seed

Front 37

endangered

Back 37

A population of organisms that is likely to become extinct if steps are not taken to save it

Front 38

epidermis

Back 38

The outer layer of cells of a leaf

Front 39

exotic

Back 39

An imported or nonnative organism

Front 40

extinct

Back 40

No longer in existence; the result when the last individual of a population dies and that organism is gone forever

Front 41

fish

Back 41

Vertebrates that live their entire life in water

Front 42

fungi

Back 42

Living things that look like plants but cannot make their own food; example, mushrooms

Front 43

genus

Back 43

The second-smallest name grouping used in classification

Front 44

germinate

Back 44

The sprouting of a seed

Front 45

grafting

Back 45

A form of artificial reproduction that can produce desirable characteristics in woody plants

Front 46

cotyledons

Back 46

The structures where food is stored in seeds

Front 47

cytoplasm

Back 47

A jellylike substance containing many chemicals that keep a cell functioning

Front 48

dominant trait

Back 48

A strong trait

Front 49

ecosystem

Back 49

A community and its physical environment together

Front 50

element

Back 50

A substance made up of only one kind of atom

Front 51

embryo

Back 51

The tiny plant inside a seed

Front 52

endangered

Back 52

A population of organisms that is likely to become extinct if steps are not taken to save it

Front 53

epidermis

Back 53

The outer layer of cells of a leaf

Front 54

exotic

Back 54

An imported or nonnative organism

Front 55

extinct

Back 55

No longer in existence; the result when the last individual of a population dies and that organism is gone forever

Front 56

fish

Back 56

Vertebrates that live their entire life in water

Front 57

fungi

Back 57

Living things that look like plants but cannot make their own food; example, mushrooms

Front 58

genus

Back 58

The second-smallest name grouping used in classification

Front 59

germinate

Back 59

The sprouting of a seed

Front 60

grafting

Back 60

A form of artificial reproduction that can produce desirable characteristics in woody plants

Front 61

Cell wall

Back 61

The cell wall is rigid (up to many micrometers in thickness) and gives plant cells a very defined shape.

Front 62

Chloroplasts

Back 62

organelles found in plant cells and eukaryotic algae that conduct photosynthesis.

Front 63

Structure

Back 63

structures exist at all levels of organization, ranging hierarchically from the atomic and molecular to the cellular, tissue, organ, organismic, population and ecosystem level.

Front 64

Function

Back 64

Either the way it works or its Purpose.

Front 65

Magnifying

Back 65

Making larger

Front 66

Microscope

Back 66

an instrument for viewing objects that are too small to be seen by the naked or unaided eye.

Front 67

Single-celled

Back 67

having a single cell

Front 68

Multi-celled

Back 68

having more than one cell

Front 69

Microorganism

Back 69

An organism of microscopic or submicroscopic size, especially a bacterium or protozoan.

Front 70

Harmful

Back 70

Capable of causing harm. Hurtful.

Front 71

Beneficial

Back 71

Good For

Front 72

Disease

Back 72

pathological condition of a part, organ, or system of an organism resulting from various causes, such as infection, genetic defect,or environmental stress,and characterized by an identifiable group of signs or symptoms.

Front 73

Bacteria

Back 73

single-celled or noncellular spherical or spiral or rod-shaped organisms lacking chlorophyll that reproduce by fission;

Front 74

Virus

Back 74

sub-microscopic infectious agent that is unable to grow or reproduce outside a host cell.

Front 75

protists

Back 75

eukaryotes that cannot be classified in any of the other kingdoms as fungi, animals, or plants.

Front 76

Protozoa

Back 76

are unicellular eukaryotes, (singular protozoan since it has enveloped nucleus,apart from having characteristics of animal such as motility and heterotrophy

Front 77

Germs

Back 77

a small mass of living substance capable of developing into an organism or one of its parts

Front 78

Microbe

Back 78

A very tiny form of life -- microbes include bacteria, fungi, and protozoan parasites -- best visualized under a microscope.