Biology 310 Test #3 Study Guide Q's

Front 1

Ecology

Back 1

study of relationships between org and their non living org

Front 2

Population

Back 2

a group of individ of the same spec. living in same area @ same time

Front 3

Community

Back 3

mult. spec. living in the same area at the same time (a bunch of populations)

Front 4

Ecosystem

Back 4

all spec. in an area PLUS the nonliving components

Front 5

Population Density

Back 5

# of individ of a spec. in a particular area

Front 6

Uniform Distribution

Back 6

individ are evenly distributed throughout an area

Front 7

Clumped Distribution

Back 7

indiv are in clumps or patches

Front 8

Random Distribution

Back 8

indiv are scattered randomly w/o pattern

Front 9

Ecological Niche

Back 9

an organisms role in the community.
-its relat. betw. everything living and non.

Front 10

Diff betw. Food Web & Food Chain?

Back 10

Food Web-SHOWS HOW PLANTS & ANIMALS ARE CONNECTED BY DIFFERENT PATHS.

Food Chain-FOLLOWS A SINGLE PATH AS ANIMALS EAT EACH OTHER.

Front 11

[Trophic Levels]
Producers

Back 11

plants carry out photosyn, uses sunlgt & CO2 to make their own energy/food

Front 12

[Trophic Levels]
Consumers

Back 12

things that eat other things

Front 13

[Trophic Levels]
Herbivores

Back 13

eats plants
(deer, hippos)

Front 14

[Trophic Levels]
Carnivores

Back 14

eats other animals
(lions, snakes)

Front 15

[Trophic Levels]
Omnivores

Back 15

eats both plants & animals
(humans, bears)

Front 16

[Trophic Levels]
Decomposers

Back 16

organisms that break down dead or decaying organisms

Front 17

Ecological Pyramid

Back 17

diagram that shows the amounts of energy contained within each trophic level in a food chain or food web.

Front 18

Introduced species

Back 18

a spec. that is intro'd into an ecosys. that it didnt evolve in.

Front 19

Keystone species

Back 19

spec. that stabilize & maintains other spec. in an ecosystem

Front 20

Threatened species

Back 20

spec. which are at high risk of becoming endangered but aren't at risk of becoming extinct.

Front 21

global dimming

Back 21

reduction in sunlight

Front 22

anatomy.

Back 22

study of body structures

Front 23

Physiology.

Back 23

study of the function of those structures

Front 24

organ

Back 24

a struct. composed of 2 or more tissue types that perform a spec function

Front 25

organ system

Back 25

grp of organs that work together to perform a spec. function

Front 26

cells

Back 26

a fundam. unit of life, building blocks of all living things

Front 27

tissue

Back 27

grp of sma. cells that perform a spec. function

Front 28

organism

Back 28

a living thing

Front 29

epithelial tissue

Back 29

covering & lining

Front 30

connective tissue

Back 30

binds organs & body parts together; supp. other tissues

Front 31

muscle tissue

Back 31

responsible for movement

Front 32

nervous tissue

Back 32

allows communication. betw. organ sys.; ctrls body functioning.

Front 33

digestive system

Back 33

-Breaks down/digests food
-Absorbs nutrients

Front 34

respiratory system

Back 34

bring in oxy. & get rid of CO2

Front 35

gas exchange

Back 35

moves oxy. from air in lungs into blood & moves CO2 from blood into the air in lungs.

Front 36

ciliated respiratory epithelium

Back 36

makes mucus to trap dust & pollen, then it moves it towards mouth to be swallowed or coughed up.

Front 37

mouth & salivary glands

Back 37

breaks down starchy food
teeth physically break down food
saliva moistens food

Front 38

Pancreas

Back 38

-enzy. rel. into sml intest. to help digest carbohy, fats, prots & nucleic acids
-neutralizes stom. acid when entering sml intestine.

Front 39

Liver & Gall Bladder

Back 39

liver prod bile
bile-concen. & stored in Gall B.

Front 40

Large Intestine

Back 40

absorbs water, eliminates feces.

Front 41

epiglottis

Back 41

prevents food from entering trachea

Front 42

trachea & bronchi

Back 42

-trachea=windpipe
-moves air into/out of the lungs
-reinforced w/ cartilage rings (wont collapse)

Front 43

asthma causes?

Back 43

hypersensitive allergic response
-constriction of bronchioles
-mucus buildup in bronchioles

Front 44

Most of surface area in the lungs is taken up by what structures?

Back 44

Alveoli=looks like cluster of grapes

Front 45

COPD?

Back 45

Chronic Obstructive Pulmonary Disease

Front 46

2 diseases that fall under the COPD unbrella?

Back 46

-Chrome Bronchitis
-Emphysema

Front 47

Blood transports?

Back 47

-Oxy & CO2
-Nutrients & Wastes
-Hormones

Front 48

Blood regulates?

Back 48

-Water balance
-Body temperature

Front 49

Blood protects?

Back 49

-From infection
-From blood loss

Front 50

Plasma?

Back 50

-liquid portion of blood
-90% water
-also contains nutrients, cell wastes, CO2, hormones.

Front 51

red blood cells?

Back 51

RBC=trans to oxy
hemoglobin=protein

Front 52

white blood cells?

Back 52

larger than RBC
has nucleus
protects from pathogens

Front 53

Platelets

Back 53

stimulates precip. of clotting prots
-helps w/ blood clotting

Front 54

components of cardiov. system

Back 54

blood, heart, blood vessels
-arteries, capillaries, veins

Front 55

Chambers of heart & blood flow through the heart

Back 55

right atrium-from body
left atrium-from lungs
right ventricle-to lungs
left ventricle-to body

Front 56

arteries

Back 56

carries blood from heart to tissues
-usually oxy rich blood
-higher blood pressure

Front 57

capillaries

Back 57

where nut, gases & wastes are exch. betw. blood & tissues
-slow
-really sml

Front 58

veins

Back 58

no pulse, blood flows one way