Biology In Class Quiz

Front 1

tiny cell like remains of early organisms found in ancient rocks

Back 1

microfossils

Front 2

layered pillow-like rock structures

Back 2

stromatolites

Front 3

when did life on earth originate?

Back 3

3.8 billion years ago

Front 4

when did prokaryotes dominate evolutionary history

Back 4

3.5 to 2 bya

Front 5

oxygen began accumulating when?

Back 5

2.7 bya (proterozoic era)

Front 6

eukaryote life began?

Back 6

2.2 bya

Front 7

multicellular eukaryotes evolved when?

Back 7

1.2 bya

Front 8

animal diversity exploded in this period

Back 8

cambrian period

Front 9

characteristics of animals?

Back 9

multicellular, aerobic heterotrophs that reproduce sexually and asexually

Front 10

symmetry of cnidarians

Back 10

radial symmetry

Front 11

what kind of tissue is unique to animals?

Back 11

nervous tissue and muscle tissue

Front 12

entire structure of an animal, its organ systems, and the integrated functioning of its parts

Back 12

body plan

Front 13

the opening of the cavity that forms in the spherical embryo

Back 13

blastopore

Front 14

mouth arises from the blastopore

Back 14

protostomes

Front 15

anus arises from the blastopore

Back 15

deuterostomes

Front 16

characteristics of bilateral symmetry

Back 16

-dorsal and ventral side
-right and left side
-anterior and posterior side
-cephalization

Front 17

two major lineages diverged shortly after flatworms evolved

Back 17

protostomes and deuterostomes

Front 18

three levels of cellular organization

Back 18

tissue, organ, organ system

Front 19

four types of tissue in animals

Back 19

epithelial, connective, muscle, nervous tissue

Front 20

two or more tissue types that function together

Back 20

organ

Front 21

protective coverings of the body, linings of internal organs

Back 21

epithelial tissue

Front 22

tissue for structural support of body parts, energy storage, etc.

Back 22

connective tissue

Front 23

examples of connective tissue

Back 23

tendons, ligaments, cartilage, bone, adipose tissue, blood

Front 24

tissue for movement of body parts and internal organs

Back 24

muscle

Front 25

three types of muscle tissue and involuntary/voluntary

Back 25

skeletal-long,voluntary
smooth-internal organs, involuntary
cardiac-heart specific, involuntary

Front 26

tissue that regulates body activities by receiving and sending electric signals

Back 26

nerve tissue

Front 27

characteristic of epithelial cells

Back 27

free surface

Front 28

4 types of epithelial tissue

Back 28

simple squamous, simple cuboidal, simple columnar, stratified squamous (skin)

Front 29

examples of exocrine glandular epithelium

Back 29

mucus, saliva, earwax, milk, oil, digestive enzymes

Front 30

example of endocrine glandular epithelium

Back 30

hormones!

Front 31

arrangement of muscle cells

Back 31

bundle of muscle cells surrounded by connective tissue, surrounded by outer sheath of connective tissue around muscle

Front 32

neurons are stimulated by what?

Back 32

electrical charges

Front 33

digestive system

Back 33

-intestine, pancreas, spleen, stomach, liver, esophagus, bladders
-food processing

Front 34

tissues in digestive system?

Back 34

epithelial, connective, muscle

Front 35

circulatory system

Back 35

-heart, blood, blood vessels
-internal distribution of materials

Front 36

respiratory system

Back 36

lungs, trachea, other breathing tubes
-gas exchange

Front 37

immune and lymphatic system

Back 37

bone marrow, lymph nodes, thymus, spleen, lymph vessels, wbc

Front 38

excretory

Back 38

kidney, ureters, urinary bladder, urethra
-coordination of body activities

Front 39

function of nervous system

Back 39

coordination of body activities, detection of stimuli and formulation of responses

Front 40

integumentary

Back 40

skin, hair, claws, skin glands
-protection against mechanical injury, infection, drying out, thermoregulation

Front 41

maintains body temperature through metabolism and internal means

Back 41

endotherm (measured at basal metabolic rate)

Front 42

body temperatures fluctuates with environment

Back 42

ectotherm (standard metabolic rate)

Front 43

mechanisms of homeostasis?

Back 43

body temperature, blood pH, blood pressure

Front 44

a change in the variable being monitored triggers the control mechanism to counteract further change in the same direction

Back 44

negative feedback (maintaining temperature)

Front 45

a change in some variable that triggers mechanisms that amplify rather than reverse the change

Back 45

positive feedback (childbirth)

Front 46

breakdown of food into molecules that can be absorbed by the body cells

Back 46

digestion

Front 47

diet if deficient in calories

Back 47

undernourished

Front 48

what causes obesity?

Back 48

overnourishment, homeostasis of fat, leptin, genes, malnourishment

Front 49

the amount of daily energy expended by humans and other animals at rest

Back 49

basal metabolic rate

Front 50

measured by basal metabolic rate

Back 50

endotherms

Front 51

measured by standard metabolic rate

Back 51

ectotherm

Front 52

metabolic rate per gram is inversely related to body size among similar animals

Back 52

okay okay

Front 53

involves a change in some variable that trigger mechanisms that amplify rather than reverse the change

Back 53

positive feedback

Front 54

sheets of tightly packed cells that line organs and body cavities as well as external surfaces

Back 54

epithelial tissue

Front 55

animal tissue that functions mainly to bind and support other tissues, having a sparse population of cells scattered through extracellular matrix

Back 55

connective tissue

Front 56

a flexible connective tissue with an abundance of collagenous fibers embedded in chondroitin sulfate

Back 56

cartilage