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science (2) 7-SAM > lesson 5 > Flashcards

lesson 5 Flashcards

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Biology 101 flashcards
1
Q
  1. 2 parents
  2. Sex cells: sperm and egg
  3. Sperm and egg join= fertilization
  4. Offspring look different from parent (mixed DNA)
  5. Examples
    Humans, some plants, mammals, fish, reptiles, etc
A

Sexual Reproduction

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2
Q
  1. One parent
  2. No sex cells
  3. Offspring produced by cell division
  4. Offspring identical to parent (same DNA)
  5. Several types in plants and animals
A

asexual reproduction

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3
Q

plants and animals reproduce by —— and ——- reproduction

A

asexual and sexual reproduction.

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4
Q

All living things eventually:

A

die

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4
Q

All living things eventually:

A

die

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5
Q

All living things eventually:

A

die

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6
Q

If living organisms stopped reproducing,

A

life would cease to exist.

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7
Q

Nature ensures that life continues in every type of living organism through the process of ———–

A

reproduction.

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8
Q

is the process by which organisms produce offspring

A

reproduction.

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9
Q

Most plants reproduce ——— through various means

A

asexually

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10
Q

They reproduce through their stems, roots, and leaves

A

Asexual Reproduction in Flowering Plants

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11
Q

This can occur either naturally or artificially with the aid of humans.

A

Asexual Reproduction in Flowering Plants

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12
Q

runner, bulb, tuber, rhizome, corm

A

natural vegetative propagation

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13
Q

It is often faster than growing plants from seeds.

A

Artificial Propagation Methods

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14
Q

Farmers ———- plants by using a piece of plant material.

A

propagate

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15
Q
  • leaves, stems or roots are cut from one plant, planted in soil, and used to grow new individuals
A

cutting-

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16
Q

small stems from one plant are attached to larger stems or roots of another plant

A

budding and grafting-

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17
Q
  • pieces of tissues from one plant are placed on a sterile medium and used to grow new plants.
A

tissue culture

18
Q

This involves the fusion of sex cells from parent plants

A

Sexual Reproduction in Flowering Plants

19
Q

This happens in the sexual organs of flowering plants, which are contained in the flower

A

Sexual Reproduction in Flowering Plants

20
Q

Most plants are hermaphrodites

A

(has both male and female sex organs).

21
Q
  • male reproductive part
A

stamen

22
Q
  • produces pollen that contains male sex cells
A

anther

23
Q
  • holds up the anther
A

filament

24
Q

-female reproductive part

A

pistil

25
Q

-top part of the pistil that has a sticky surface to trap pollen

A

stigma

26
Q

joins the stigma and the ovary

A

style-

27
Q

-contains the female sex cells called ovules

A

ovary

28
Q

.-the transfer of pollen grains from the anther to the stigma

A

Pollination

29
Q

Pollination;

A

self pollination; cross pollination

30
Q

when pollen is carried from the anther to the stigma of the same plant

A

self pollination

31
Q
  • when pollen is carried to the stigma of another plant
A

cross-pollination

32
Q
  • when the pollen tube bursts and releases the male gamete, which then fuses with the female gamete
A

Fertilization

33
Q

seeds together with its fruit are carried away from a parent plant

A

seed Dispersal-

34
Q

Seed Dispersal occurs by;

A

wind, water, animal or explosion

35
Q

when seed, sometimes with its fruit, lands on the ground, it breaks through the seed coat and grows to form a new plant

A

Germination-

36
Q
  1. Organism divides in half
  2. 2 identical daughter cells produced
  3. Daughter cells are half the parent’s size
  4. Daughter cells grow, then divide too
  5. In bacteria, amoeba, or paramecium(unicellular)
A

Binary Fission

37
Q
  1. Small bud grows out of parent cell
  2. Two different sized cells made (with identical DNA)
  3. Bud breaks off and grows
  4. In yeast and hydra (multicellular)
A

budding

38
Q
  1. Repair/ grow lost body parts
  2. Left over cells divide to make more cells
  3. Lobsters, starfish, lizards (multicellular)
A

Regeneration/
Fragmentation

39
Q

: the primary goal of sexual reproduction is to merge
the sperm cell and the egg cell of the male and female organisms to produce
an offspring.

A

Fertilization

40
Q

This trait is advantageous for an animal that rarely meets and mates with members of its own species

A

Sexual Reproduction in Animals

41
Q

;can either have their eggs fertilized by another organism of their own kind or fertilize their own( simple vertebrates, earthworms, and some fishes)

A

Hermaphrodites

42
Q

Some animals possess both male and female organs, making them;

A

Hermaphrodites

science (2) 7-SAM (4 decks)

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