Practical

Question 1

Which of these insect orders has one pair of the wing modified into balancing organs

Answer 1

diptera

Question 2

which of these animal phyla contain many species with complex, parasitic life cycles involving multiple hosts

Answer 2

trematoda

Question 3

which of these animal phyla undergoes ecdysis

Answer 3

centipede

Question 4

which of these animals has endoskeleton as a distinguishing characteristic

Answer 4

starfish

Question 5

which of these animal phyla has a mantle as a distinguishing characteristic

Answer 5

snail

Question 6

which of these animal phyla can move by contracting a hydrostatic skeleton differently across many body segments

Answer 6

worm

Question 7

the most diverse group of arthropods

Answer 7

insects

Question 8

trematoda belongs to

Answer 8

platyhelminthes

Question 9

hydrozoa belongs to

Answer 9

cnidaria

Question 10

cephalopoda belongs to

Answer 10

mollusca

Question 11

arachnida belongs to

Answer 11

arthropoda

Question 12

the sequence that bilateral symmetry arose

Answer 12

multicellularity-> multiple tissues -> bilateral symmetry

Question 13

echinoderms are ___ symmetric as larvae

Answer 13

bilaterally

Question 14

echinoderms are ____ symmetric as adults

Answer 14

pentaradially

Question 15

cnidarians share a common body plan that takes two forms. The free-floating form called a medusa, whereas the sessile form is called…

Answer 15

polyp

Question 16

both rotifers and ______ develop a body ____ in which the internal _____ reside in called ______

Answer 16

nematodes; cavity; organs; pseudocoelem

Question 17

seeds can have adaptation to aid dispersal

Answer 17

true

Question 18

the stigma is part of the carpel

Answer 18

true

Question 19

styles are a male flower part

Answer 19

false

Question 20

gymnosperms are flagellated

Answer 20

false

Question 21

gymnosperms reproduce using sori

Answer 21

false

Question 22

one of the synapomorphies of angiosperms is wood

Answer 22

false

Question 23

a gymnosperm reproduces using flowers

Answer 23

false

Question 24

an angiosperm reproduces using flower

Answer 24

true

Question 25

anthers are the male flower part

Answer 25

true

Question 26

filaments are a male flower part

Answer 26

true

Question 27

cells with one set of chromosomes are ____ as seen in ____ produced by gametophytes. But a sporophyte is ______ because it contains ___ sets of chromosomes

Answer 27

haploids, gametes, diploid, two

Question 28

(smoother looking cone structure) This structure is a ___ cone which bears _____ each of which develops into a _____, commonly called ____

Answer 28

male, microspores, microgametophyte, pollen

Question 29

(spikier looking cone structure) This structure is a ____ cone which bears _____ each of each develops a ______, which ultimately produces the _____

Answer 29

female cone, megaspores, megagametophyte, egg

Question 30

All mammals have mammary glands

Answer 30

true

Question 31

amphibians are the first chordates with an amniotic egg layer

Answer 31

false

Question 32

an amnion layer is a synapomorphy of birds

Answer 32

false

Question 33

feathers are a synapomorphy of bird

Answer 33

true

Question 34

fish only have one type of scale

Answer 34

false

Question 35

hagfish are known for their unique defense behavior which is to throw spikey scales into the mouths of their predators

Answer 35

false

Question 36

hinged jaws is a synapomorphy of hagfish

Answer 36

false

Question 37

lancelets have a notochord

Answer 37

true

Question 38

live birth is a synapomorphy of amphibians

Answer 38

false

Question 39

muscular post-anal tail is a synapomorphy of osteichthyes

Answer 39

false

Question 40

paired appendages is a synapomorphy of tetrapod

Answer 40

false

Question 41

paired appendages is a synapomorphy of lancelets

Answer 41

false

Question 42

reptiles include the snakes, lizards, crocodiles, turtles, and birds

Answer 42

true

Question 43

Stiff hair is a synapomorphy of reptiles

Answer 43

false

Question 44

a bony cranium is a synapomorphy of chordata

Answer 44

false

Question 45

4 main chordate synapomorphies

Answer 45

pharyngeal gill slits, notochord, post-anal tail, hollow dorsal nerve cord

Question 46

a key character present in reptiles but absent in amphibians is an

Answer 46

amnion

Question 47

homo sapiens belong to which group of mammals

Answer 47

eutheria

Question 48

which chordate groups are endothermic

Answer 48

aves and mammalia

Question 49

to which taxonomic category does chordata belong to

Answer 49

phylum

Question 50

a behavior starts with _______ which is detected by sensory receptors. Next it is evaluated by the CNS, a process referred to as ______. The CNS determines a ____, which is a pattern of nerve impulses directed by the CNS and the sequence of muscle contractions that are initiated

Answer 50

stimulus, neural integration, response

Question 51

An experiment was performed on 10 small arthropods called "pill bugs". The animals had a choice between a dark environment. They could freely move between entire environmental conditions. The results of their choices are shown. What do the results suggest?

Answer 51

The pill bugs perform negative phototaxis when given a light stimulus

Question 52

Mother geese will roll eggs back to their nest if an egg is found outside of it. Interestingly, if the egg is removed during the process of rolling it back into the next, the mother goose will continue her behavior of rolling the egg and tucking it into her nest even in its absence. This is an example of

Answer 52

Fixed Action pattern

Question 53

Taxis is an orientation behavior where an organism moves toward or away from a stimulus

Answer 53

true

Question 54

when the brine shrimp were presented with red light, they displayed______

Answer 54

no response

Question 55

We ran an experiment with 10 test subjects. Our calculated t-value is 1.74. True or False: this result is significant at the 5% significance level?

Answer 55

false

Question 56

What kind of statistical test did we perform on the planarian data

Answer 56

a paired t-test

Question 57

Which of the following is a proper hypothesis

Answer 57

planarians will move farther with caffeine than without it

Question 58

weather

Answer 58

short-term atmospheric conditions at one specific place and time

Question 59

climate

Answer 59

long-term average of conditions based upon many years of observation

Question 60

effects of climate change

Answer 60

rising temps; increasing droughts, heat waves, desertification; melting artic and glaciers; rising sea level; increasing extreme weather events

Question 61

Range shifts

Answer 61

bring new species into contact with each other, which can majorly affect ecology and human health

Question 62

Phenology

Answer 62

the timing of life events (has changed and will continue to changed) (the date of cherry blossom peak bloom)