Ch. 38.1—Angiosperm Reproduction & Biotechnology Flashcards Preview

Biology 113 Exam 3 > Ch. 38.1—Angiosperm Reproduction & Biotechnology > Flashcards

Flashcards in Ch. 38.1—Angiosperm Reproduction & Biotechnology Deck (24)
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1
Q

________, _________, and ________ are key features of the angiosperm life cycle.

A
  • Flowers
  • Double Fertilization
  • Fruits
2
Q

In angiosperms the ________ phase is the plant that we see.

A

-Sporophyte.

3
Q

Flowers are reproductive shoots of the angiosperm sporophyte; they attach to a part of the stem called the ________.

A

-Receptacle.

4
Q

Flowers consists of what 4 different floral organs:

A
  • Carpels.
  • Stamens.
  • Petals.
  • Sepals.
5
Q

______ and ________ are reproductive organs.

A
  • Stamens.

- Carpels.

6
Q

_______ and _______ are sterile.

A
  • Sepals.

- Petals.

7
Q

A carpel has a long style with a _______ on which _______ may land

A
  • Stigma.

- Pollen.

8
Q

At the base of the style is an _______ containing one or more ovules

A

-Ovary.

9
Q

A single carpel or group of fused carpels is called a:

A

-Pistil.

10
Q

A stamen consists of a filament topped by an ________ with pollen sacs that produce pollen.

A

-Anther.

11
Q

Clusters of flowers are called:

A

-Inflorescences.

12
Q

4 general trends seen in the evolution of flowers:

A
  • Bilateral symmetry
  • Reduction in the number of floral parts
  • Fusion of floral parts
  • Location of ovaries inside receptacles
13
Q

The angiosperm life cycle includes (4):

A
  • Gametophyte development
  • Pollination
  • Double fertilization
  • Seed development
14
Q

Each microspore undergoes mitosis to produce what two cells?

A
  • Generative cell.

- Tube cell.

15
Q

A ______ _______ consists of the two celled male gametophyte and the spore wall

A

-pollen grain.

16
Q

The development of a seed into a flowering plant includes several stages (6):

A
  • Endosperm development
  • Embryo development
  • Seed dormancy
  • Seed germination
  • Seedling development
  • Flowering
17
Q

Germination depends on _________, the uptake of water due to low water potential of the dry seed

A

-Imbibition.

18
Q

The ________ (embryonic root) emerges first; the developing root system anchors the plan

A

-Radicle.

19
Q

A ______ is the mature ovary of a flower.

A

-Fruit.

20
Q

What are the 4 classification of fruits based on their developmental origin?

A
  • Simple fruits.
  • Aggregate fruits.
  • Multiple fruits.
  • Accessory fruits.
21
Q

_____ fruits develop from a single or several fused carpels.

A
  • Simple.

* Pea fruit*

22
Q

______ fruits result from a single flower with multiple separate carpels.

A
  • Aggregate.

* Raspberry fruit*

23
Q

_____ fruits develop from a group of flowers (inflorescence).

A
  • Multiple.

* Pineapple fruit*

24
Q

______ fruit contains other floral parts in addition to ovaries.

A
  • Accessory.

* Apple fruit*