OBJECTIVES

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Cedillo
DO NOW (Pg. 79 in journal)
January
7th,
2014
Objective SWBAT explore how scientists identify and classify organisms.
Prompt
Using as much detail as possible, describe the leaves of
the plant below.
Magnolia virginiana
(Sweet Bay)
Reminders:
--Write HW in agenda
--New six weeks begins today
--Voice Level 0 during Do Now
This week’s HW: Dichotomous
Key Practice – DUE FRIDAY
January 7th,
2014
ESSENTIAL QUESTION:
How can you use dichotomous keys to
classify and identify organisms?
OBJECTIVES:
1. Classroom Expectation Reminders &
Review
2. Classifying Organisms Practice
3. Dichotomous Key Two-Column Notes
Agenda Reminders
January 7th,
2014
• WRITE IN AGENDA:
– HW: Dichotomous Key Practice, Due Friday,
January 10
– Bring Journals by Monday, January 13
• Reminder: ALL students required to have and
USE agenda!
Classroom Expectations Jigsaw
January 7th,
2014
• VOICE LEVELS: Tables 1, 3, 5, and 7
– Why do we use different voice levels 0-4? What
are they? Give an example of when we would
each voice level.
• CLASSWORK: Tables 2, 4, 6, and 8
– How should independent work be completed
differently than partner or group work? What
would be similar about independent, partner, and
group work?
Classifying Organisms
• Turn and Talk (Partner – Voice Level 1)
• Which external structures would you use to
classify these organisms into two groups?
Classifying Organisms
Copy in journal on page
80
Dichotomous Key - A
tool used in plant or
animal identification.
Using two or more
choices, organisms’
identities are determined
through the process of
eliminating characteristics
that it does not have.
“The Key to Identification”
Partner-read the article. What should our voice
levels be?
As you read, you will work with your partner to
take two-column notes on page _____.
Topic
Details
Cedillo
DO NOW (Pg. 79 in journal)
January
8/9th,
2014
Objective SWBAT explore how scientists identify and classify organisms.
Prompt
Explain what external structures you might use to identify the two
breeds of dogs (Canis lupus familiaris) below.
Breed: Chihuahua
Breed: Yellow Labrador Retriever
Reminders:
--Voice Level 0 during Do Now
--Remember independent work expectations
--New composition books due Monday
This week’s HW: Dichotomous
Key Practice – DUE FRIDAY
January
8/9, 2014
ESSENTIAL QUESTION: How do scientists
use external features to classify and identify
organisms?
OBJECTIVES:
1. Create a biological diagram identifying
major structures of a plant
2. Practice using observations to identify a
species
3. Use a dichotomous key to identify a
native Texas plant species
Finish Reading – POPCORN!!
• Finish reading “The Key to Identification”
• Popcorn Reading Rules:
– Read at least 3 sentences
– Pay attention!
– You can call on someone more than once but not
if they were just reading before you (no pingpong popcorn)
• Crash Course biology: Taxonomy
Tape Card on to Page 81
WRITE:
Prediction: _____________________
Actual: _______________________
Using the checked external structures, what
type of animal organism do you predict you
have?
Animal Choices
• Determine which organism is represented by
your observation card.
Answers
Answers
Observation Card Questions (Page 81)
1. Did you predict correctly? Why or why not?
2. How does observing an animal’s features help
identify that animal?
Using dichotomous keys
Dichotomous Key Example
Domestic Horse
Sea Lion
Grebe
Big-Eared Bat
Goldfish
Hummingbird
Lizard
Rattlesnake
Dichotomous Key Example 2
Dichotomous Key Example 3
Introduction to Biological Drawings: Plant Anatomy
Plant features
can be very
complex and
varied (different).
With your table,
discuss some of
the differences in
the leaves shown
to the right.
Biological Diagram: Native Species
1. Title the next page (82) in
your composition book,
“Biological Diagram”
2. Observe your specimen
closely.
3. Create a biological
drawing of your specimen.
4. Follow the dichotomous
key to determine what
species it is.
January
8/9,
2014
“Biological Diagram”
Pg .
Biological Drawing Rubric
Ball Moss
Live Oak
Cedar Elm
Ashe Juniper
Examples of Biological Drawings – Plant Leaves
Examples of Biological Drawings – Plant & Roots
Examples of Biological Drawings – Flowering Plant
Biological Drawing – Feedback & Connection to Dichot. Keys
• Exchange journals with someone at your
table.
• Give feedback to this person using the rubric
– 3 positives, 3 things they should work on next
time
• Debrief: Why did we do this activity? What
does it have to do with dichotomous keys?
Dichotomous Key Practice
• Work on dichotomous key practice for rest of
class.
Cedillo
DO NOW (Pg. 79 in journal)
January
10th
2014
Objective SWBAT explore how scientists identify and classify organisms.
Prompt
What is a dichotomous key? Why do
scientists use them?
Reminders:
--Voice Level 0 during Do Now
--Remember independent work expectations
--New composition books due Monday
This week’s HW: Dichotomous
Key Practice – DUE TODAY
Today
January
10, 2014
ESSENTIAL QUESTION:
How can you use dichotomous keys
to classify and identify organisms?
OBJECTIVES:
1. Practice using dichotomous keys
to identify alien species
Reminder: Bring new Composition
Book on Monday
Turn in Homework
Seat A – Turn in Homework for table
Identifying Aliens
Using your handout, follow the clues on the
front in order to put the correct name of the
alien species under its picture.
Due at end of class!
Practice Alien: I do, we do, you do
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