Practicum 1

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67 Terms

1

Question

Comes from observation. What are we curious about ?

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2

Hypothesis

The answer you think you will find

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3

Predicition

“If/ then” statement .”if my hypothesis is true, then this will happen “

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4

Independent variable

What we change or apply to one group.

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5

Dependent variable

What we observe. Ex. Results after experiment, data found

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6

Controlled variable

Factors that are the same in both experimental groups

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7

Bacterial cells are

Prokaryotes

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8

Do bacterial cells have a nucleus ?

Yes

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9

What bacterial shape is shown here ?

Cocci

<p>Cocci </p>
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10

What polymer is a unique component of bacterial cell walls ?

Peptidoglycan

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11

Name an antiseptic you expect to be effective against some bacteria

Lysol

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12

What would you expect to see if the bacteria is SENSITIVE to the antibiotic disk ?

Clear zone around disk

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13

What would you expect to see if the bacteria is RESISTANT to the antibiotic disk?

Full on growth around disk

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14

What should you do if you spill a chemical ?

Call the teacher

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15

Where are the safety showers located ?

Outside the hall

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16

What is your instructors name?

Paula Gutierrez

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17

What us one benefit of protists ?

They help produce oxygen

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18

True/false protists are protists are prokaryotic

False

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19
<p>What shape of diatoms are shown below ? </p>

What shape of diatoms are shown below ?

Centric

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20
<p>What shape of diatoms are shown below ?</p>

What shape of diatoms are shown below ?

Pennate

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21

What are 2 characteristics that Green algae share with land plants ?

They have chlorophyll a&b and they’re photosynthetic

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22

What is one benefit of fungi ?

Helps make antibiotics

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23

What is one negative role of fungi ?

They cause disease

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24

Fungi are

Unicellular, Multicellular, and Eukaryotic

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25
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26

Give one piece of evidence that supports the relationship between land plants and green algae.

They can both do photosynthesis

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27

all plants except _______ are sporophyte dominant

Bryophytes

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28

List 2 reasons why are bryophytes are dependent on water

They need it in order for sperm & egg to meet to fertilize and to spread the gametophytes

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29
<p>Is imagine 1 showing male or female gametangia ? What is it called ? </p>

Is imagine 1 showing male or female gametangia ? What is it called ?

Male antheridia

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30
<p><span style="font-family: Times New Roman, Times New Roman_EmbeddedFont, Times New Roman_MSFontService, serif">Identify the image and all structures within image. Know the dominant generation (sporophyte or gametophyte)?</span></p>

Identify the image and all structures within image. Know the dominant generation (sporophyte or gametophyte)?

Fern Young Sporophyte: Sporophyte is the clover shaped part, rhizoids are the hairlike structures, and the gametophyte is the bottom/base of structure. 

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31
<p><span style="font-family: Times New Roman, Times New Roman_EmbeddedFont, Times New Roman_MSFontService, serif">Where do you find sori?</span></p>

Where do you find sori?

You find sori on the back of a fern leaf.  

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32

What does the sorus( sori) contain ?

Spores

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33

Where would you find sori on a plant ?

Back of a fern leaf

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34

What is the function of the seed coat ?

It is a protective coat that surrounds the seed

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35

What happens to the endosperm?

It is found source for embryo , so they shrivel up after leaves are created

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36

From what have the cotyledons developed ?

They have developed from seed leafs

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37

how does the seed facilitate dispersal and survival of the plant ?

It is capable of lasting/surviving longer while in extreme environments

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38

What are the three shapes of bacteria ?

-cocci

-bacilli

-spirilla

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39

What is the ecological role of diatoms, the most important role ?

Most important photosynthesizers in cold, marine waters. They generate 20-50% of Earths oxygen.

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40

Pennate

Bilaterally symmetrical

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41

centric

Radially symmetrical

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42
<p>identify the image and all structures within the image , male or female?</p>

identify the image and all structures within the image , male or female?

Male: antheridia

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43
<p>identify the image and all structures within the image , male or female?</p>

identify the image and all structures within the image , male or female?

Female: archegonia

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44

How are spores dispersed within these plants ?

They are dispersed through water because these are from moss plants

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45

Male pine cone

Gymnosperm

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46

Female pine cone

Gymnosperm

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47

flower

Angiosperm

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48

is water required for fertilization in bryophytes, seedless vascular plants, gymnosperms , or angiosperms

Water is required for fertilization in both bryophytes (mosses) and seedless vascular plants (ferns )

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49

What is the method of pollination?

Water, wind, insects, animals 

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50

How are spores dispersed?

Spores are dispersed via wind

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51

Fern life cycle



<p><span style="font-family: Calibri, Calibri_EmbeddedFont, Calibri_MSFontService, sans-serif"><br><br></span></p>
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52

angiosperm life cycle

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53

moss life cycle

knowt flashcard image
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54

Pine life cycle

knowt flashcard image
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55

alternation of generations

knowt flashcard image
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56

parts of the flower

knowt flashcard image
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57

What generation is dominant for each life cycle? 

Bryophytes/mosses: gametophyte dominant 

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58

What generation is dominant for each life cycle? 

Monilophytes/ferns: sporophyte dominant 

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59

What generation is dominant for each life cycle? 

Gymnosperms/cones: sporophyte dominant 

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60

What generation is dominant for each life cycle? 

Angionsperms/flowers: sporophyte dominant 

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61

When are they haploid? 

They are haploid during their gametophyte phase 

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62

When are they diploid ?

They are diploid during the sporophyte phase 

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63

When does meiosis occur?

Meiosis occurs after the sporangium are grown 

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64

When does mitosis occur? 

Mitosis occurs in between each phase 

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65

conditions that must be favorable for seed germination 

Light, temperature, nutrients, and water 

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66

Gravitropism

it is a plants response to gravity

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67

Phototropism

it is a plants response to growing towards light

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