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ELS > Perpetuation of Life > Flashcards

Perpetuation of Life Flashcards

1
Q
  • period from birth to the natural death of an organism
A

Life Span

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2
Q
  • immature, rapid development phase of an organism
A

Juvenile

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3
Q
  • mature, capable of producing sex cells or reproduce phase of an organism
A

Reproductive

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4
Q
  • phase of an organism where condition deteriorates with age, loss of cell’s capacity to grow and divide
A

Senescence

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5
Q
  • ability to produce new living organisms
  • ensures the survival of the species
A

Reproduction

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6
Q
  • genes are passed from parents to offspring
A

Heredity

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7
Q
  • chromosomes carry the unit of heredity called genes
A
  • Chromosomal Theory of Inheritance
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8
Q
  • arranged, compacted long DNA strand which carries genetic information
A

Chromosome

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9
Q
  • a segment of DNA that codes for a specific protein
A

Gene

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10
Q

Amount of pairs or pieces of chromosomes in humans

A

23 pairs or 46 pcs

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11
Q
  • involves two organisms
  • gametes are produced via meiosis
  • somatic cells developed via mitosis
  • offspring shows genetic variation
  • number of offsprings produced is less
A

Sexual Reproduction

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12
Q
  • involves one organism
  • no gametes (sex cells) are produced
  • somatic cells (body cells) are divided via mitosis
  • offsprings are genetically identical to parents
  • large number of organisms can be produced in a short period of time
A

Asexual Reproduction

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13
Q
  • type of asexual reproduction (plants and animals)
  • splitting of the cell by mitosis
  • entire cell becomes a reproductive unit
  • unicellular animals like Amoeba and Paramecium
  • in multiple _______, daughter cells are called spores
A

Fission (Binary/Multiple)

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14
Q
  • type of asexual reproduction (plants and animals)
  • offspring grows out of the body of the parent
A

Budding

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15
Q
  • type of asexual reproduction (plants and animals)
  • occurs when the body of the parent breaks into distinct pieces, each being able to produce an offspring
A

Fragmentation

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16
Q
  • type of asexual reproduction
  • if a piece of a parent is detached, it can grow and develop into a completely new individual
A

Regeneration

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17
Q
  • type of asexual reproduction
  • a female animal produces eggs that develop without being fertilized
A

Parthenogenesis

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18
Q
  • type of sexual reproduction
  • the fusion of male and female gametes / union of the sperm and egg cells
  • internal and external
A

Fertilization

19
Q
  • type of sexual reproduction
  • the condition of having both male and female reproductive organs
A

Hermaphroditism

20
Q
  • asexual reproduction (plants)
  • reproductive cells can germinate into new individuals without fertilization
  • carried by air and water
A

Spore Formation

21
Q
  • asexual reproduction (plants)
  • takes place through fragmentation or by special asexual structures (tubers, stolons, rhizomes, corms, and bulbs).
  • develops specialized structures to form new plants that are identical to them
  • natural or artificial
A

Vegetative Reproduction

22
Q
  • type of reproduction in plants from its vegetative parts or specialized structures
  • type of vegetative reproduction
A

Natural

23
Q
  • type of vegetative reproduction
  • leaves, roots, or stems, are cut, leading them to grow and become new plants if kept under proper environmental conditions
A

Artificial

24
Q
  • above the ground runner
  • a slender lateral branch
  • originates from underground
  • grows horizontally outwards
A

Stolon

25
Q
  • underground runner
  • modified stem for storage and reproduction
A

Rhizomes

26
Q
  • enlarged structures used as food storage
A

Tubers

27
Q
  • short stems
  • encased in fleshy leaves
  • leaves are swollen with stored food
A

Bulbs

28
Q
  • thicker stem, thinner leaves
  • gladiolus
A

Corm

29
Q
  • small, young plants that grow on leaf margins
A

Plantlets

30
Q
  • a piece of stem or root that can grow to a new plants
  • Artificial
A

Cutting

31
Q
  • part of aerial stem grows roots then detaches as an independent plant
  • artificial
A

Layering/Marcotting

32
Q
  • process of transplanting living tissue from one plant to another
  • artificial
A

Grafting

33
Q
  • kind of grafting in which the scion is a bud
  • artificial
A

Budding

34
Q
  • seedlings is produced from individual plant cells grown in a laboratory
  • artificial
A

Tissue Culture

35
Q
  • produces pollen in male organs
A

Anther

36
Q
  • elongated stalk
A

Filament

37
Q
  • receives pollen in female organs
A

Stigma

38
Q
  • connection
A

Style

39
Q
  • where eggs (ovule) are located
A

Ovary

40
Q
  • transfer of pollen from anther to stigma
A

Pollination

41
Q
  • within the same flower
  • bisexual / hermaphrodite plant
A

Self-Pollination

42
Q
  • from one flower to another flower
  • monoecious and dioecious plants
A

Cross pollination

43
Q
  • petals are colored and scented
  • pollens stick to animals
  • stigma is stick to retain the pollens
A

Animal Pollination

44
Q
  • petals are small, green, and has no scent
  • anthers are exposed outside
  • lightweight pollen grains
A

Wind pollination

ELS (5 decks)

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