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Physics reviewer > BIO Reproduction (2) > Flashcards

BIO Reproduction (2) Flashcards

Mostly Plant Reproduction

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1
Q

_____ are the reproductive organs of plants.

A

Flowers

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2
Q

Flowers

  • Male - _____
  • Female - _____
A
  • pollen grains
  • ovules
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2
Q

What are the 4 basic parts of the plant?

A
  1. Sepal
  2. Petals
  3. Pistil
  4. Stamen
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2
Q

Structure of Flower

  • Male flower part
  • consist of anther (pollen sac) and long supporting filament
A

Stamen

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2
Q

Anthers

  1. The sacs release _____ on to the outside of the anthers that brush against insects on entering the flowers
  2. The pollen once deposited on the insect is transferred to the _____ of another flower or the same flower.
  3. The _____ is then able to be fertilized.
A
  • pollen
  • stigma
  • ovule
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3
Q

Structure of Flower

  • female flower part
  • this part consists of _____. _____, and _____
A

stigma, style, and ovary

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3
Q

Structure of Flower

_____ - is covered in a sticky substance that the pollen grains will adhere to

A

Stigma

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3
Q

Structure of Flower

_____ - it raises the stigma away from the ovary to decrease the likelihood of pollen contamination. It varies in length.

A

Style

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3
Q

Structure of Flower

_____ - This protects the ovule and once fertilization has taken place, it will become the fruit.

A

Ovary

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3
Q

Structure of Flower

_____ - is like the egg in animals and once fertilization has taken place, it will become the seed.

A

Ovule

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4
Q

Types of flower:

A
  • Complete flower
  • Incomplete flower
  • Perfect flower
  • Imperfect flower
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4
Q

Types of Flower

It has all four basic parts: Sepal, Petal, Pistil, and Stamen

A

Complete flower
ex. Hibiscus, Minnieroot

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4
Q

Types of Flower

It lacks some basic parts.

A

Incomplete flower
- spadix (no sepal, petals), pumpkin flower (no stamen, pistil)

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4
Q

Types of Flower

It has both stamen and pistil/carpel.

A

Perfect flower
ex. Rose, Water lily

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5
Q

Types of Flower

  • It has either stamen or carpel/Pistil
A

Imperfect flower
ex. Papaya, Ivy gourd

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5
Q
  • the process of transferring pollen from an anther to a stigma
  • is needed for fertilization to occur
A

Pollination

6
Q

Pollination

_____ - wherein the pollen is transferred to the stigma of a plant’s flower.

A

Self-Pollination

7
Q

Pollination

  • pollen from a different plant is delivered to the stigma of a flower of a different plant
  • can increase the genetic diversity of plants as genes from two different individuals are shared by the offspring
A

Cross-Pollination

7
Q

Pollinators:

Bees, Moth, Butterflies, Bats, Flies, Birds

A

Biotic pollinators

8
Q

Pollinators:

Water and Wind

A

Abiotic pollinators

9
Q

The union of pollen and ovule.

A

Fertilization

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