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MICRO PARA CHAPTER 2 > Lesson 3: Algae > Flashcards

Lesson 3: Algae Flashcards

1
Q

Algae
Domain: ______
Kingdom: ____
Nutritional type: ____
Multicellularity: ___
Cellular arrangement: _____, _____, _____, ______
Food acquisition method: ______
Characteristic features: _______
Embryo formation:

A

Domain: eukaryote
Kingdom: protista
Nutritional type: photoautotroph
Multicellularity: some
Cellular arrangement: unicellular, colonial, filamentous, tissues
Food acquisition method: absorptive
Characteristic features: sexual and asexual spores
Embryo formation: none

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2
Q

Can manufacture food with photosynthesis

A

Photoautotroph

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3
Q

Food acquisition methos of an algae that is from the environment

A

Absorptive

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4
Q

What is necessary for algae for physical support, reproduction, and the diffusion of nutrients

A

Water

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5
Q

Symbiotic relationship between fungi and algae

A

Lichen

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6
Q

Vegetative structures of algae

A

Thallus
Pneumatocyst

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7
Q

The body of a multicellular alga

A

Thallus

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8
Q

Thalli of the larger mutlicellular algae consists of what?

A

Holdfast
Stipes
Blade

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9
Q

A branched; anchor of alga to a substrate

A

Holdfast

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10
Q

Stem-like often hollow that connects the blade to the holdfast

A

Stipes

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11
Q

Not lignifies or woody, so it does not offer the support of a plant’s stem; instead, the surrounding water supports the algal thallus

A

Stipes

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12
Q

Leaf-like in an alga

A

Blades

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13
Q

Floating, gas-filled bladder that buoys some algae

A

Pneumatocyst

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14
Q

Algae can be frequently exist in marine and freshwater environments as what?

A

Plankton

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15
Q

How can an algae reproduce

A

Sexually and asexually

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16
Q

Multicellular algae with thalli and filamentous forms can _______; each piece is capable of forming a new thallus or filament

A

Fragment

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17
Q

When a unicellular alga divides, its nucleus ______ (_______), and the two nuclei move to opposite parts of the cell.

A

Divides (mitosis)

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18
Q

What do you call when a cell divides into two complete cells

A

Cytokinesis

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19
Q

What do you call when an algae undergoes sexual and asexual reproductive in their lifetime?

A

Alternating generation

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20
Q

Where are algae found in bodies of water?

A

Photic (light) zone

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21
Q

Sexual reporduction process of an algae

A
  1. Parent cell undergoes mitosis
  2. Formation of gametes
  3. Fertilization
  4. Zygote formation
  5. Meiosis
  6. Growth
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22
Q

How does asexual reproduction of an algae occur?

A
  1. Parent cell undergoes mitosis
  2. Gametes would then grow
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23
Q

5 Kinds of algae

A
  1. Brown algae (kelp)
  2. Red algae
  3. Green algae
  4. Diatom
  5. Dinoflagellates
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24
Q

Algae that is microscopic; some reach lengths of 50 meters

A

Brown algae

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25
Brown algae is ised in the production of _____(thickener in ice cream, cake decorations)
Algin
26
Examples of non-food goods thatvuses brown algae
Rubber tires and hand lotion
27
It is a large algae
Brown algae
28
Algae that is used to induce vaginal dilation before surgical entry into the uterus through the vagina
Laminaria Japonica
29
Have delicately branced thalli; can live at greater ocean depths than other algae
Red algae
30
What do red pigments in red algae absorb that penetrated deepesg into the ocean?
Blue light
31
Red algae is used to extract ______ and _______ as thickening ingredient in evaporated milk, ice cream, and pharmaceutical agents.
Agar Carrageenan
32
Kind of red algae that are used for food; some member, however, can produce lethal toxin
Gracilaria spp.
33
Algae that have cellulose cell walls; contain chlorophyll a and b; store starch
Green algae
34
What chlorophyll does green algae contain?
Chlorophyll a and b
35
Are green algae unicellular only, multicellular only, or both?
Both
36
Are brown algae unicellular or multicellular, or both?
Multicellular
37
Algae that are unicellular or filamentous algae with complex cell walls that consist of pectin and a layer of silica
Diatom
38
What do the diatom's cell walls consists of? These parts fit together like the halves of a petri dish.
Pectin and Silica
39
Diatom store energy captured through photosynthesis in what form?
Oil
40
What does diatom produces
Domoic acid
41
It is a neurotoxin that causes amnesic shellfish poisoning
Domoic acid
42
What does domoic acid causes
Amnesic shellfish poisoning
43
What are the symptoms of amnesic shellfish poisoning?
Diarrhea and memory loss
44
Year of the first outbreak of a neurological disease caused by diatoms in Canada
1987
45
Where was the first reported outbreak of neurological disease caused by diatoms
Canada
46
A unicellular algae collectively called plankton
Dinoflagellates
47
Has a rigid structure due to cellulose embedded in tha plasma membrane
Dinoflagellates
48
What are dinoflagellates collectively called as?
Plankton
49
What dinoflagellate produces brevetoxin that causes massive fish kills, neurotoxic shellfish poisoning, and respiratory distress.
Karenia brevis
50
What does karenia brevis produce
Brevetoxins
51
What genus give ocean a deep red color, produce saxitoxins that cause paralytic shellfish poisoning
Alexandrium
52
Deep red color of the ocean
Red tide
53
What does alexandrium produces that causes paralytic shellfish poisoning?
Saxitoxins
54
What does saxitoxins cause?
Paralytic shellfish poisoning
55
What dinoflagellate produces ciguatoxin that causes ciguatera
Gambierdiscus toxicus
56
What does Gambierdiscus toxicus produces
Ciguatoxin
57
What does ciguatoxin causes
Ciguatera
58
Cell wall of brown, red, green alagae, diatoms, dinoflagellates
Brown- cellulose and alginic acid Red - cellulose Green - cellulose Diatoms - pectin and silica Dinoflagellates - cellulose in membrane
59
Storage material of brown, diatoms, dinoflagellates, red, and green
Brown - carbohydrate Diatoms - oil Dinoflagellates - starch Red algae - glucose polymer Green algae - starch
60
What algae are pathogenic
Diatoms, dinoflagellates, some red algae
61
How many of the Earth's O2 is produced by plankton algae
80%
62
Periodic increase of number of planktonic algae
Algal blooms
63
Blooms of dinoflagellates are responsible for seasonal ________
Red tide
64
What is formed from diatoms and other planktonic organisms that lived several million yeats ago
Petroleum
65
Like dinoflagellates, it has two flagella in perpendicular grooves. When the two flagella beat simultaneously, they cause the cell to spin
Peridinium

MICRO PARA CHAPTER 2 (8 decks)

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