What Is the Role of Hormones?

Growth (Ch. 25)

What is the role of hormones?

For each hormone listed below, give the effect that it has on the plant:

• auxin (3):
• cytokinins (2):
• gibberellins (1):
• ethylene (1):

Responses

For each type of response listed, explain and give an example.

• gravitropism (aka: )

• phototropism

• thigmotropism

Classification of Plants (Ch. 22)

The 3 major characteristics that make an organism a plant are:

Plants most likely evolved from:

Plants need ______to survive. (Think photosynthesis equation)

What were some challenges that plants had to overcome as they moved to land?

The 4 groups of plants are:

1.______3. ______

2. ______4. ______

The 3 features used to group the plants are:

1. ______

2. ______

3. ______

Plants contain 2 types of tissue:

• Vascular –
• Nonvascular -

Evolutionary Relationships of Plants

(draw diagram on p. 554)

Adaptations (Ch. 25)

Name 3 ways plants have adapted to life in the water:

Name 1 way plants have adapted to salty conditions:

Name 3 ways desert plants have adapted:

Name 2 ways plants have adapted to poor soil:

Name 1 way plants have adapted to grow on other plants:

Name 1 way that plants have adapted to help fight insects:

Flower diagram:

(p. 612)

Stamen (male) consists of :

Carpal or pistil (female) consists of :

What is the difference between a complete and an incomplete flower?

Fill in below:

Vascular orSeedless

Group Nonvascularor SeedsExamples

Bryophytes

Seedless Vascular

Gymnosperms

(name means “ “)

(can be evergreens, OR deciduous, )

Angiosperms

(means “ “)

There are 2 classes of angiosperms: ______& ______

Parts of Plants (Ch. 23)

What are the 3 main organs and their functions?

Tissues: Plants rely on specialized tissue called vascular tissue. Define and explain how each works below:

• xylem:

• phloem:

What is the apical meristem and why is it so important to a plant?

Roots: name the 2 main types, draw an example, give advantage of each:

Stems: name 3 major parts, draw and label

What is a Rhizome, tuber, and bulb?

Leaves: name 2 major parts, draw and label

Name two types of specialized cells in leaves and their functions?

Explain transpiration, the role of stomata, and what causes wilting.

Reproduction (Ch. 24)

What is alternation of generations?

Bryophyte and Seedless Vascular Plants both require ______for fertilization (to get sperm to the egg).

In gymnosperms, the male cone is called the ______cone producing ______. The female cone is called the ______cone and contains the ______.

In angiosperms, the reproductive organs are the ______.

The 4 kinds of specialized leaves: 1. ______

2. ______3. ______4. ______

Pollination

Define pollination:

Name the 2 most common methods of Pollination.

Describe the 2 types of pollination:

1.

2.

Seeds

Define a fruit:

Give 5 examples of fruits:

Compare and give examples of fleshy and dry fruit:

Fleshy: Dry:

Name 3 methods of seed dispersal and give examples:

Describe vegetative reproduction in plants. Is this asexual or sexual?