Test 2 (plants, animals)

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Plants: moss, ferns, gymnosperms (conifers), and angiosperms Animals: monoblastic (sponges), diploblastic (cnidarians), and triploblastic (coelomates, acoelomates, chelicerates, mollusks, arthropods) organisms

Biology

60 Terms

1

Which of the following is haploid?

a. gametophyte

b. egg

c. sporophyte

d. sperm

a, b, and d (gametophyte, egg, and sperm)

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2

The sporophyte stage of the moss life cycle begins with _____.

a. gametophyte, 2n

b. zygote, 1n

c. sporophyte, 1n

d. zygote, 2n

d. zygote, 2n

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3

All of the following applies to sea lettuce except for _____.

a. isogamous

b. oogamous

c. isomorphic

d. alternation of generations

b. oogamous

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4

Which of the following has embryos?

a. sea lettuce

b. chlamydomonas

c. volvox

d. moss

d. moss

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5

The green structure of the moss that we normally see is a _____.

a. gametophyte

b. sporophyte

c. spore

d. gamete

a. gametophyte

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6

The green structure of the fern that we normally see is a _____.

a. gametophyte

b. sporophyte

c. spore

d. gamete

b. sporophyte

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7

The nutritive tissue in the seeds of a gymnosperm comes from _____.

a. fertilized egg

b. original sporophyte

c. gametophyte

d. integument

c. gametophyte

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8

The microstrobilus in gymnosperms is equivalent to _____ in angiosperms.

a. anther

b. filament

c. ovule

d. fruit

a. anther

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9

Which of the following is NOT true about animals?

a. all animals are multicellular

b. all animals are heterotrophic

c. all animals can move from one place to another place

d. all animals lack cell walls

c. all animals can move from one place to another place

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10

Which of the following is most primitive?

a. sponge

b. sea anemone

c. jellyfish

d. coral

a. sponge

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11

Which one of the following is not an invertebrate?

a. sponges

b. jellyfish

c. salmon

d. portugese man-of-war

c. salmon

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12

Jellyfish is one example of _____.

a. scyphozoans

b. anthozoans

c. hydrozoans

d. mesozoans

a. scyphozoans

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13

Which one of the following is a protostome?

a. jellyfish

b. sponges

c. portugese man-of-war

d. tapeworm

d. tapeworm

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14

Which one of the following is true about fluke?

a. its medusa stage is the dominant stage

b. it is autotrophic

c. it is a coelomate

d. its digestive system is primitive

d. its digestive system is primitive

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15

Which animal has a closed circulatory system?

a. butterfly

b. flatworm

c. earthworm

d. lobster

c. earthworm

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16

Which one of the following is triploblastic?

a. sea urchin

b. sea pen

c. sea anemone

d. jellyfish

a. sea urchin

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17

Butterfly larva is a _____.

a. filter feeder

b. herbivore

c. predator

d. detritivore

b. herbivore

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18

What are the traits of animals?

multicellular, heterotrophic, internal digestion (most animals), nervous system (most animals)

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19

What are the heterotrophic patterns of feeding?

filter feeder, herbivore, predator, parasite, detritivore

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20

gastrulation

differentiation of embryo cell tissue

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21

What are the three forms of gastrulation in animal embryos?

monoblastic, diploblastic, triploblastic

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22

vertebrate

organism has a backbone

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23

invertebrate

organism has no backbone

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24

monoblastic

one layer or no clearly defined layers of tissue types

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25

diploblastic

two tissue layers (ectoderm, endoderm)

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26

triploblastic

three tissue layers (ectoderm, mesoderm, endoderm)

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27

protostome

triploblastic organism, blastopore differentiates into mouth first

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28

deuterostome

triploblastic organism, blastopore differentiates into anus first

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29
<p>Identify the symmetrical pattern (cnidarian).</p>

Identify the symmetrical pattern (cnidarian).

radial symmetry

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30
<p>Identify the symmetrical pattern (frog).</p>

Identify the symmetrical pattern (frog).

bilateral symmetry

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31

What is the difference between dorsal and ventral planes?

dorsal = back, ventral = belly/front

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32

cephalization

development of a head and brain (sensory and nervous tissue) at the anterior end

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33

What is the difference between anterior and posterior planes?

anterior= top, posterior = bottom

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34

acoelomate

triploblastic organism, lack of a liquid body cavity

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35

coelomate

triploblastic organism, presence of a liquid body cavity

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36

segmentation

separation to improve control of movement

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37

What is the simplest animal?

sponge

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38

What is the simplest plant?

moss

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39

How do cnidarians generally reproduce?

alternation between poly and medusa stages, polyp reproduce asexually (budding) and medusa reproduce sexually

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40

What is the larva stage of a fertilized medusa egg?

planula larva

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41

Cnidarians are _____.

a. monoblastic

b. diploblastic

c. triploblastic

b. diploblastic

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42

What are scyphozoan cnidarians?

jellyfish

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43

What are anthozoan cnidarians?

sea anemone, coral, sea pens

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44

What are hydrozoan cnidarians?

hydra, portugese man-of-war

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45

cnidocytes

“stinging cell” in cnidarians that help capture prey and to defend, contains nematocyst dart organelle with toxin

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46

choanocytes

feeding cells in sponges, has flagellum to beat surrounding water and particles

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47

sessile

stays in place

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48

motile

active, constant motion

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49

How do sponges reproduce?

fragmentation and budding (asexual)

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50

What are the differences between protostomes and deuterostomes?

protostomes = blastopore → mouth, ventral nerve chord

deuterostomes - blastopore → anus, dorsal nerve chord

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51

What are common characteristics of protostomes and deuterostomes?

triploblastic organisms, cephalization, bilateral symmetry

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52

What are examples of acoelomates?

flatworms, flukes (parasitic)

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53

What is an example of a coelomate?

earthworms/annelids

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54

What is the difference between closed circulatory system and open circulatory system?

closed circulatory system = typically for motile animals, keeps blood separate from tissue fluid

open circulatory system = typically for sessile and smaller animals

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55

What is the general body plan of mollusks?

foot, mantle, visceral mass, gills, open circulatory system

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56

What are examples of mollusks?

chitons, bivalves (clams, oysters, scallops, mussels), gastropods (snails, slugs), cephalopods (squids, octopi)

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57

What are the main adaptations cephalopods developed different to other mollusks?

ink sac, closed circulatory system, tentacles, chromatophore, siphon (jet propulsion), well-developed nervous system (smartest protostome)

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58

What are arthropods?

triploblastic organisms, jointed appendages, exoskeleton made of chitin, 2-part of 3-part segmented body, open circulatory system (still motile)

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59

What are examples of arthropods?

crustaceans (crabs, lobsters), chelicerates (spiders), myriapods (centipedes, millipedes), hexapods (insects)

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60

What is the difference between seeds and spores?

seed = is the developing sporophyte, multicellular, produces by mitosis, angiosperms have fruit tissues

spore = comes from sporophyte, unicellular, produced by meiosis, no fruit tissues

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