1 Flashcards

(54 cards)

1
Q

Study areas

A

Plant structure
Metabolism
Reproduction
Growth
Evolutionary relationships
Chemical relationships

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2
Q

BOTANY SCOPE

A

plants
Algae
Fungi

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3
Q

BOTANY ORIGINS

A

efforts to identify poisonous, medicinal and edible plants

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4
Q

IMPORTANCE OF BOTANY

A

Aid food production
Understand life process
Create Medicine
Understand environmental changes

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5
Q

HOW BOTANY AIDS IN FOOD PRODUCTION

A

Enhance yields through plant breeding
Study weeds to reduce impact

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6
Q

ETHNOBOTANY

A

the study of Relationship btwn pple and plants

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7
Q
A
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8
Q

Limitations of classification

A

Rarely possible to construct with certainly past evolutionary pathway

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9
Q

Classification 1700

A

by CARL LINNAEUS
-ANIMAL
plant
-minerals

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10
Q

Classification 1969

A

WHITTAKER
-monera
-Prtoctista
-Fungi
- plants
-animal

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11
Q

Monera Xtics

A

No nuclear membrane around cell
Single cell

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12
Q

Protoctista

A

Eukaryotic
3 modes of feeding

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13
Q

Fungi

A

Eukaryotic
Saprophytic
Multi celular

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14
Q

Animal

A

Heterotrophic

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15
Q

characteristic of Plants

A

Photo autotrophic
Cellulose cell wall

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16
Q

Tracheophytes

A

Presence of vascular bundles
Stomata
Cuticle

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17
Q

Angiosperms

A

Flowering
Triploid tissue
Pollination by insects
Seed enclosed within ovary

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18
Q

Gymnosperms

A

Cones
Wind pollination
Naked seed
Haploid tissue

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19
Q

TAXONOMY

A

Deals with classification nomenclature and identification

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20
Q

Classification

A

Ordering plants according to similarities

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21
Q

Types of classification

A

Artificial
Natural
Phylogenetic

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22
Q

ARTIFICIAL CLASSIFICATION

A

based on observable features
It’s easy- adv
Related plants may be separated no use of evolution relationship-dis

23
Q

Natural classification

A

Sun of total characteristics

24
Q

PHYLOGENETIC CLASSIFICATION

A

According to evolutionary sequence and genetic relationship

25
Limitations of branching method of classification
Hard to devise satisfactory method of designating a branching pattern
26
TAXA
Major -Kingdom, Division,class,order , family Minor -Genus,species, subspecies,varities
27
Nomenclature
Naming plants with scientific systems
28
Limitations of common name
Tell nothing about rank Some don't have Aren't universal Not consistent
29
Latin for nomenclature
Dead Old Specific nd exact in meaning Common scholarly language
30
What is the definition of botany?
Botany is a branch of biology and is the scientific study of plant life and development.
31
What does botany encompass?
Botany covers a wide range of scientific disciplines that study plants, algae, and fungi including: * structure * growth * reproduction * metabolism * development * diseases * chemical properties * evolutionary relationships
32
What ancient interest led to the development of botany?
Botany began with tribal efforts to identify edible, medicinal, and poisonous plants.
33
How many species of living organisms does botany study?
Over 550,000 species of living organisms.
34
What is the significance of understanding plant life?
A good understanding of plants is crucial to: * Produce food to feed an expanding population * Understand fundamental life processes * Produce medicine and materials * Understand environmental changes
35
What role do plants play in human nutrition?
Nearly all the food we eat comes (directly and indirectly) from plants.
36
What is ethno-botany?
Ethno-botany is the study of the relationships between plants and people.
37
What is agronomy?
Agronomy is the application of plant science to crop production.
38
List three sub-disciplines of botany.
* Bryology * Economic botany * Horticulture
39
Who proposed the classification of organisms into three kingdoms?
Carl Linnaeus proposed the classification into three kingdoms: animals, plants, and minerals.
40
What classification system did Whittaker propose in 1969?
Whittaker classified organisms into 5 kingdoms: * Monera * Protoctista * Fungi * Animals * Plants
41
What is taxonomy?
Taxonomy or systematic botany deals with classification, nomenclature, and identification of plants.
42
What are the phases of classification?
* Artificial * Natural * Phyletic systems
43
What is the advantage of artificial classification?
Easy identification based on easily observable key characters.
44
What does natural classification reflect?
Natural classification reflects the situation as it is believed to exist in nature and evolutionary descent.
45
Define phylogenetic classification.
Phylogenetic classification classifies plants according to their evolutionary sequence and genetic relationships.
46
What are the limitations of classification?
It is rarely possible to construct with certainty the past evolutionary pathways due to: * Poor fossil record * Difficulty in designating a branching pattern
47
What is the structure of taxonomic categories?
Major categories include: * Kingdom * Division * Class * Order * Family Minor categories include: * Genus * Species * Subspecies * Variety * Forma * Cultivar
48
What is the standard ending for plant division according to ICN?
Phyta
49
What are the defining characteristics of the plant kingdom?
Cellulose cell wall and ability to photosynthesize.
50
What is nomenclature?
Nomenclature is the naming of plants using a scientific system.
51
What are common names in botany?
Common names are names given to plants based on the language of the locality in which they are growing.
52
What are the disadvantages of common names?
* Not universal * Inconsistent * May refer to multiple taxa * Some organisms have no common name
53
What language is used for scientific names and why?
Latin is used because it is a dead language, specific, and the common scholarly language of early days.
54
How often does the ICN review principles and rules?
Every 6 years.