Life Science

Front 1

Define adaptation:

Back 1

characteristics and behaviors that allow organisms to live successfully in an environment

Front 2

How long can hidden viruses stay inactive for?

Back 2

months to years

Front 3

Define phloem:

Back 3

a plant’s vascular tissue in which food travels through

Front 4

Define bill:

Back 4

A bird’s organ that is responsible for capturing, gripping, and handling food

Front 5

Define community and give 4 examples of what lives in a rain forest community:

Back 5

An area where different species of livings things live

Front 6

What are the 3 successful approaches to protecting biodiversity?

Back 6

Captive breeding, laws and treaties, habitat preservation

Front 7

Define cilia:

Back 7

small hairlike structures that allow bacteria to move around

Front 8

Define rhizoid:

Back 8

rootlike structures that absorb water and nutrients from the soil

Front 9

What characteristic do birds and mammals share?

Back 9

A four chambered heart

Front 10

Define mutualism:

Back 10

a symbiotic relationship in which both organisms benefit

Front 11

Define extinction:

Back 11

all members of a species disappears from Earth

Front 12

Define bacteriophage:

Back 12

a virus that invades and attacks bacteria

Front 13

What are the 2 different types of roots?

Back 13

Fibrous and taproot

Front 14

What are the two main organs in a bird’s digestive system?

Back 14

crop and gizzard

Front 15

Define scavenger:

Back 15

a carnivore that feeds on dead organisms

Front 16

define vaccine:

Back 16

a substance used to destroy disease causing viruses

Front 17

What do plants produce in the sporophyte stage?

Back 17

spores

Front 18

What are the 3 main groups of mammals?

Back 18

Marsupials, placental, and monotremes

Front 19

Define ecology:

Back 19

the study of how living things interact with each other

Front 20

What are the 3 factors that affect biodiversity?

Back 20

Area, climate, niche diversity

Front 21

What are the 2 basic parts all viruses have?

Back 21

Protein coat and genetic material

Front 22

Define parasitism and give an example:

Back 22

a relationship in which one organism is harmed and the other one benefits

Front 23

What 3 main things do all seed plants have?

Back 23

Roots, stems, leaves

Front 24

Define crop:

Back 24

a bird’s organ that stores food

Front 25

Define biotic factor and give 2 examples.

Back 25

A living factor in a habitat

Front 26

What 3 human activities threaten biodiversity?

Back 26

Pollution, poaching, and habitat destruction

Front 27

to be able to enter a cell the virus’s _______ must fit in the cells _______

Back 27

To be able to enter a cell, a virus’s KEY must fit in the cell’s LOCK

Front 28

What are the 2 major groups of plants:

Back 28

vascular and nonvascular

Front 29

Define gestation period:

Back 29

the length of time between fertilization and birth

Front 30

Define host:

Back 30

An organism that is getting harmed in a parasitic relationship

Front 31

What are the 3 energy roles an organism can fill in an ecosystem?

Back 31

Producer, decomposer, consumer

Front 32

List a few ways bacteria can be good for humans:

Back 32

helps with the production of food/oxygen, environmental recycling/cleanup, helps with the production of medicines (like penicillin)

Front 33

What are the 2 stages in the life cycle of a plant?

Back 33

Sporophyte and Gametophyte

Front 34

Name the 2 different types of feathers:

Back 34

contour and down

Front 35

Define abiotic factor:

Back 35

a nonliving factor in an environment

Front 36

Define natural resource:

Back 36

an environmental resource that people can use

Front 37

What do fungi use to reproduce?

Back 37

spores

Front 38

What are the 3 major groups of nonvascular plants?

Back 38

Mosses, liverworts, and hornworts

Front 39

Define cambium. What can it later turn into?

Back 39

Cambium are new layers of cells in a plant; they can later turn into xylem and phloem

Front 40

Write the population statement:

Back 40

BR > DR : population increase; BR < DR : population decrease; BR = DR : population stays the same

Front 41

Define pollution:

Back 41

the contamination of Earth’s land, water, and air

Front 42

What happens during binary fission?

Back 42

One cell divides to form 2 identical cells

Front 43

Define gymnosperm:

Back 43

a plant that produces seeds w/protection in the form of cones

Front 44

Define limiting factor:

Back 44

an environmental factor that causes a population to decrease

Front 45

Define virus:

Back 45

a tiny, nonliving particle that invades and multiplies inside a cell

Front 46

Define competition:

Back 46

the struggle between organisms to survive

Front 47

What must a virus do first before it can multiply?

Back 47

Enter a cell

Front 48

Define angiosperm:

Back 48

a plant that produces flowers

Front 49

How many petals does a monocot flower produce?

Back 49

3 or multiples of 3

Front 50

What are the 3 types of symbiotic relationships?

Back 50

Mutualism, commensalism, parasitism