Classification of Living Things: TEKS 6.12D

To the teacher:• This CPO Science PowerPoint presentation is designed to guide you

through the process of presenting the lesson to your students. The presentation uses a 5-E teaching model: Engage, Explore, Explain, Elaborate, and Evaluate.

• The PowerPoint Slide notes indicate where you may want to bring in various lesson elements such as quizzes, readings, investigations, animations, and practice materials. Additional science background information is provided in the slide notes where appropriate. You can view these notes by selecting “View,” then “Normal.” You will see the notes pane at the bottom of the PowerPoint workspace. Additionally, the slide notes are available as a separate document, accessible from the lesson home page.

• The slides that follow are intended for classroom use.

Classification of Living Things: TEKS 6.12D

Three questions• A living thing can belong to one of

three groups: domain Archaea, domain Bacteria, or domain Eukarya.

• Domain Eukarya includes the kingdoms Protista, Fungi, Plantae, and Animalia.

• To pick the right group, scientists often ask the three questions at right.

• Answer the three questions for the following organisms:E. coli Human being Starfish Water flea Puffball Daffodil

Classification of Living Things: TEKS 6.12D

Time to investigate!• Complete the lesson investigation:

– Classifying Living Things

Classification of Living Things: TEKS 6.12D

Classifying by type of cells

• All living cells can be classified into two groups: prokaryotic and eukaryotic.

• prokaryotic cell - a cell that does not have a nucleus or membrane-covered organelles. Bacteria are prokaryotic.

• eukaryotic cell - a cell that has a nucleus and membrane-covered organelles. Animals, plants, fungi, and protozoans are eukaryotic.

Classification of Living Things: TEKS 6.12D

Type of cells

Classification of Living Things: TEKS 6.12D

Classifying by how a living thing gets energy• A producer can make its own

food. Another name for a producer is autotroph.

• A consumer eats other living things for food and energy. Another name for a consumer is heterotroph.

Classification of Living Things: TEKS 6.12D

Classifying by mode of reproduction• There are two types of reproduction: asexual and sexual.• Asexual reproduction is reproduction that

requires only one parent. Most single-celled organisms like bacteria and protozoans reproduce this way. Offspring are identical to the parent.

• Sexual reproduction is a type of reproduction that involves special types of cells called sex cells. Off-spring have a new combination of genetic material from the sex cellsof the parents.

Classification of Living Things: TEKS 6.12D

Time for Practice!

• Complete the lesson practice activity below:

For each organism below, name the kingdom, type of cells, mode of obtaining energy, and mode of reproduction.

Classification of Living Things: TEKS 6.12D

Show what you know!

• Try the lesson’s interactive quiz, or complete a quiz that your teacher can print out for you.

• Hint: – You might want to review your lesson reading piece one

more time before trying the quiz.