SNC2D - U3.10: Plant Organ Systems and Flowering Plants

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18 Terms

1
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What is a system?

In biology, a group of tissues and organs that performs specific functions

<p>In biology, a group of tissues and organs that performs specific functions</p>
2
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What is a root system?

An organ system in a plant which takes in water and minerals from the soil and transports them to the shoot system (super important for stability (ex. heavy wind/flooding)); all roots that lie below the surface of the ground - constantly growing to keep up with resource demand

<p>An organ system in a plant which takes in water and minerals from the soil and transports them to the shoot system (super important for stability (ex. heavy wind/flooding)); all roots that lie below the surface of the ground - constantly growing to keep up with resource demand</p>
3
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What is a shoot system?

An organ system in a plant which supports the plant, performs photosynthesis, and transports the sap (water and nutrients)

<p>An organ system in a plant which supports the plant, performs photosynthesis, and transports the sap (water and nutrients)</p>
4
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What systems are flowers and fruits considered a part of?

Either the shoot system or a separate system

<p>Either the shoot system or a separate system</p>
5
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What is angiosperm?

Flowering/fruiting plants whose seeds develop in the ovaries of plants

<p>Flowering/fruiting plants whose seeds develop in the ovaries of plants</p>
6
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What is meristematic tissue?

Stem cells for plants

<p>Stem cells for plants</p>
7
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What is the stamen?

Pollen producing reproductive organ in the flower consisting of an anther and filament

<p>Pollen producing reproductive organ in the flower consisting of an anther and filament</p>
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What is an anther?

Pollen-filled sac

<p>Pollen-filled sac</p>
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What is a filament?

Holds the anther in position making it available to plants

<p>Holds the anther in position making it available to plants</p>
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What are sepals?

Small, green, leaf-like structures that protect that flower bud

<p>Small, green, leaf-like structures that protect that flower bud</p>
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What are calyx?

Collective term for the sepals

<p>Collective term for the sepals</p>
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What is the pistil?

Female reproductive parts of the flower consisting of the stigma, the style, and the ovary; shaped like a bowling pin and located in the centre of the flower, it develops into a seed if an egg is fertilized

<p>Female reproductive parts of the flower consisting of the stigma, the style, and the ovary; shaped like a bowling pin and located in the centre of the flower, it develops into a seed if an egg is fertilized</p>
13
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What are monoecious plants?

Plants with both male and female reproductive organs on the SAME plant (ex. squash)

<p>Plants with both male and female reproductive organs on the SAME plant (ex. squash)</p>
14
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What are diecious plants?

Separate plants for male and female reproductive organs (ex. holly)

<p>Separate plants for male and female reproductive organs (ex. holly)</p>
15
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What was the Malpighi experiment?

Malpighi peeled a ring of bark and phloem from a tree. Shortly after, a swelling appeared immediately above the ring, and the tree died a few weeks later. Swelling shows that the sugar molecules are trapped in the upper part of the tree - so tree girdling makes fruit have extra sugar.

<p>Malpighi peeled a ring of bark and phloem from a tree. Shortly after, a swelling appeared immediately above the ring, and the tree died a few weeks later. Swelling shows that the sugar molecules are trapped in the upper part of the tree - so tree girdling makes fruit have extra sugar.</p>
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When does sap move?

During the spring

<p>During the spring</p>
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Why is sap needed?

For new buds to grow and produce leaves, they need nutrients. Once leaves have grown, they can carry out photosynthesis and obtain their own glucose.

<p>For new buds to grow and produce leaves, they need nutrients. Once leaves have grown, they can carry out photosynthesis and obtain their own glucose.</p>
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What happens to plants in the summer and fall (nutrients)?

The extra glucose is transported to other tissues or stored in the roots as starch

<p>The extra glucose is transported to other tissues or stored in the roots as starch</p>