Chapter 1:

Life Processes

Lesson 1:

Characteristics of Living Things

Key Vocabulary

1. cell -the basic unit that makes up living things

2. life process -A function that a living thing performs to stay alive and reproduce

3. organ-a part of an organism that performs a specific function

4. organism-Any living

thing that can carry out life processes on

its own

5. organ system-A group of organs that work together to carry out life processes

6. reproduce-To make more living things of one’s own kind

7. tissue-A group of similar cells that work together

Notes

How are plant and animal cells the same? How are they different?

Plant Cell Animal Cell

MitochondriaVacuoles

CytoplasmNuclei

Cell membrane Chromosomes

Cell wall

Chloroplasts

1. __________ and __________ _________ have many parts in common, but animal cells do not have _________ _________ or _______________.

2. The _____________ store food, nutrients, and wastes in a cell.

Time to test yourself! Can you label this diagram of a plant cell?

4. _________ __________ organisms trap ____________ from the sunlight in the _________________ where they make food.

3. __________ and some green plants are single celled, ___________ organisms. They give off ____________ as a waste product. They make their ________ ____________.

5. _________ organisms do not have a heart or brain.

7. ___________ are __________ organisms with many cells.

6. ___________ are single celled algae that live in water. They are _________ organisms with 1 cell.

________ make up tissues.

8. Complex organisms have many ____________ kinds of cells. In complex organisms:

Tissues make up ___________. ________ make up organ systems.

9. An example of a complex organism with many cells is a flower.

How are simple and complex organisms the same? How are

they different?Simple Complex

Carry out life processes

Made of cells

No distinct organs

Some made of single cells

Some made of many similar cells

Many different kinds of cells

Different kinds of tissues

Have organ systems

Quiz Time!

What do all living things have in common?

Made of cells

Carry out life processes

Life Processes

Take in nutrients

Grow and develop

Release energy

React to surroundings

Give off wastes

Reproduce

In complex organisms…

Cells Tissues

Organs Organ systems

Lesson 2:

Life Processes of Plants

Key Vocabulary

1. chlorophyll -a green material in plants that traps energy from sunlight and gives leaves their green color

2. leaf-the part of a plant that uses sunlight and air to help the plant make food

3. photosynthesis-the process plants use to make food

4. root-the part of a plant that takes in water (moisture) and nutrients from the ground

5. seed-

An undeveloped plant sealed in a protective coating

6. stem-the part of the plant that carries food, water, and nutrients to and from the roots and leaves

Notes

1. A plant has 3 main parts:1. ________2. ________3. ________

2. In most plants, food is made in the ___________.

3. Plants provide us with _________ to breathe. If we had no plants, we wouldn’t have enough oxygen.

4. 3 types of leaves:

1. __________ leaves- thick leaves that help the plant store water. (dry areas)

2. _______leaves- help plants trap energy from sunlight. (moist areas)

3. ____________ leaves- grow in dry and cold climates

5. 2 types of roots:1. ____root- one large, main root

Examples: _____________ and ______________

2. _________ roots- roots that branch out in a netlike pattern to gather water from a wide area

Match that Root!

taproot

Fibrous roots

6. Some plants have different stems. 3 types of stems are:

1. ______ stems- covered in a layer of bark and can survive in warm and cold climates

Example: _____________

2. _______ stems- can only survive in warm weather and are held up by water

Example: _____________

3. ______ stems- store water and can survive long periods without rain

Example: _____________

Match that Stem!

Thick stem Soft stem Woody stem

7. Plants use __________ to reproduce. 2 groups of plants are:

1. _____________ plants- produce seeds in

__________ __________.Example: pine trees

2. _ ___________ plants- produce seeds inside _________, and __________ is formed only by flowers.

Example: peach trees

8. Most leaf cells have special parts called chloroplasts that contain _______________.

9. In the chloroplasts during photosynthesis, a plant takes in ______________, ____________ ____________, and ___________. The plant produces __________ and ______________.