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Biologie cls. a V-a Botanica prof. Crina-Maria Rusu Scoala nr. 30 Timisoara PowerPoint PPT Presentation


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B). 1.Tipuri a. aeriene -ierboase -lemnoase b. subp ă mintene -rizom -bulb -tubercul c. acvatice 2. Structura extern ă -noduri -intrenoduri -muguri. Biologie cls. a V-a Botanica prof. Crina-Maria Rusu Scoala nr. 30 Timisoara. TULPINA.

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Biologie cls. a V-a Botanica prof. Crina-Maria Rusu Scoala nr. 30 Timisoara

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Biologie cls a v a botanica prof crina maria rusu scoala nr 30 timisoara

B)

1.Tipuri

a. aeriene

-ierboase

-lemnoase

b. subpămintene

-rizom

-bulb

-tubercul

c. acvatice

2. Structuraexternă

-noduri

-intrenoduri

-muguri

Biologie cls. a V-a

Botanica

prof. Crina-Maria Rusu

Scoala nr. 30

Timisoara


Biologie cls a v a botanica prof crina maria rusu scoala nr 30 timisoara

TULPINA

B)

1. Tipuri de tulpini in functie de mediul in care traiesc

a) Tulpini aeriene :

ierboase

drepte

ex. floarea soarelui


Biologie cls a v a botanica prof crina maria rusu scoala nr 30 timisoara

TULPINA

B)

a) Tulpini aeriene :

ierboase

agătătoare

ex. viţa de vie


Biologie cls a v a botanica prof crina maria rusu scoala nr 30 timisoara

TULPINA

B)

a) Tulpini aeriene :

ierboase

volubile

ex. volbura


Biologie cls a v a botanica prof crina maria rusu scoala nr 30 timisoara

TULPINA

B)

a) Tulpini aeriene :

ierboase

târâtoare

ex. stolonii la căpşun


Biologie cls a v a botanica prof crina maria rusu scoala nr 30 timisoara

TULPINA

B)

1. Tipuri de tulpini in functie de mediul in care traiesc

a) Tulpini aeriene :

lemnoase

alcătuite din :

trunchi

coroană


Biologie cls a v a botanica prof crina maria rusu scoala nr 30 timisoara

TULPINA

B)

1. Tipuri de tulpini in functie de mediul in care traiesc

a)

b) Tulpini subpământene :

rizom

prezintă :

rădăcini adventive

muguri

ex. stânjenelul, lăcrămioara


Biologie cls a v a botanica prof crina maria rusu scoala nr 30 timisoara

TULPINA

B)

1. Tipuri de tulpini in functie de mediul in care traiesc

a)

b) Tulpini subpământene :

bulb

alcătuit din :

mugure

frunze cărnoase

frunze protectoare

tulpină

ex. ceapa, lalea, crin


Biologie cls a v a botanica prof crina maria rusu scoala nr 30 timisoara

TULPINA

B)

1. Tipuri de tulpini in functie de mediul in care traiesc

a)

b) Tulpini subpământene :

tubercul

prezintă ochiuri →

lăstari

ex. cartoful


Biologie cls a v a botanica prof crina maria rusu scoala nr 30 timisoara

TULPINA

B)

1. Tipuri de tulpini in functie de mediul in care traiesc

a)

b)

c) Tulpini acvatice :

ex. nufăr, lintiţă


Biologie cls a v a botanica prof crina maria rusu scoala nr 30 timisoara

TULPINA

B)

1.

2. Structura externă a tulpinii

tulpina principalăprezintă :

noduri, de care se prind :

frunze

tulpini secundare


Biologie cls a v a botanica prof crina maria rusu scoala nr 30 timisoara

TULPINA

B)

1.

2. Structura externă a tulpinii

tulpina principală prezintă :

întrenoduri


Biologie cls a v a botanica prof crina maria rusu scoala nr 30 timisoara

TULPINA

B)

1.

2.Structura externă a tulpinii

tulpina principală prezintă :

muguri

terminali ( asigură creşterea in

lungime a tulpinii )

axilari ( laterali )

alcătuiţi din :

ax

frunze verzi

frunze solzoase


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