Biology
5th Edition
ISBN: 9781260487947
Author: BROOKER
Publisher: MCG
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Chapter 25.1, Problem 1CC
Summary Introduction
To determine: The broader group between a phylum and a family.
Introduction: The system of classification was given by Carolus Linnaeus. In this system, animals were divided specifically on the basis of their characteristics. The purpose of subdividing the animals into small taxonomic groups is to appreciate the relationship among a large number of species.
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ACA Unit 9: Taxonomy Notes
1. Introduction to Classification
Why Classify?
To study the diversity of life, biologists use a classification system to name organisms and group them
in a logical manner. This discipline of
called
and
organisms is
Modern Classification:
More recently, 3 large groups of organisms were developed,
called a
DOMAIN
ARCHAEA
There are 3 domains:
1.
DOMAIN
EUKARYA
(Kingdom Eubacteria)
(Kingdom Archaebacteria)
(Protists, fungi, plants,
2.
3.
animals)
DOMAIN
BACTERIA
Linnaeus' Classification System:
The first major step in naming organisms wastaken by
Linnaeus used a hierarchical system of classification with seven levels.
They are from largest to smallest: kingdom, phylum, class, order, family, genus, species.
King Phillip Came Over From Greece Singing.
Each of these levels is called a
- largest category, group of related phyla.
- group
o of different classes that share important characteristics.
- group of similar orders.
-group of similar families.
- genera (genus…
ACA Unit 9: Taxonomy Notes
1. Introduction to Classification
Why Classify?
To study the diversity of life, biologists use a classification system to name organisms and group them
in a logical manner. This discipline of
and
Lorganisms is
called
Modern Classification:
DOMAIN
ARCHAEA
More recently, 3 large groups of organisms were developed,
called a
There are 3 domains:
(Kingdom Eubacteria)
(Kingdom Archaebacteria)
(Protists, fungi, plants,
1.
DOMAIN
EUKARYA
2.
3.
animals)
DOMAIN
BACTERIA
Linnaeus' Classification System:
The first major step in naming organisms wastaken by
Linnaeus used a hierarchical system of classification with seven levels.
They are from largest to smallest: kingdom, phylum, class, order, family, genus, species.
King Phillip Came Over From Greece Singing.
Each of these levels is called a
- largest category, group of related phyla.
- group
o of different classes that share important characteristics.
- group of similar orders.
-group of similar families.
- genera…
Comparing Characteristics. Given the groupings of phyla, please indicate
within the prescribe column whether these characteristics belongs to the group. Indicate
your answer by writing Y if a characteristic and N if a non-characteristics. If
the
characteristic is not true to all members of the phylum, then write NY.
Characteristics PORIFERA
bilateral
CNIDARIA
PLATYHELMIN THES
NEMATHELMIN THES
MOLLUSCA
symmetry
sexual
reproduction
racteristics
ANNELIDA
ARTHROPODA
ECHINODERMATA
CHORDATA
bilateral
symmetry
sexual
reproduction
Chapter 25 Solutions
Biology
Ch. 25.1 - Prob. 1CSCh. 25.1 - Prob. 1CCCh. 25.2 - Can two different species have more than one...Ch. 25.2 - Prob. 2CCCh. 25.3 - What shared derived character is common to the...Ch. 25.3 - Prob. 2CCCh. 25.3 - Prob. 3CCCh. 25.3 - Prob. 1EQCh. 25.3 - Prob. 2EQCh. 25.3 - Prob. 3EQ
Ch. 25.4 - Prob. 1CSCh. 25.5 - Prob. 1CCCh. 25 - Prob. 1TYCh. 25 - Which of the following is the correct order of the...Ch. 25 - Prob. 3TYCh. 25 - Which of the following characteristics is (are)...Ch. 25 - Which of the following occur at branch points, or...Ch. 25 - Prob. 6TYCh. 25 - Prob. 7TYCh. 25 - A goal of modern taxonomy is to a. classify all...Ch. 25 - The concept that the preferred hypothesis is the...Ch. 25 - Prob. 10TYCh. 25 - Prob. 1CQCh. 25 - What is a molecular clock? How is it useful in the...Ch. 25 - Core Concept: Evolution What are some advantages...Ch. 25 - Prob. 1COQCh. 25 - Prob. 2COQ
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- Question:What was the reason for getting rid of the sclerosponges as a taxon group?arrow_forwardMicrotaxonomy (Species and Speciation) Why are "types" important in systematics?arrow_forwardTopic: Species and taxonomic system. Fill the blank 6. A group of related families are in the same_____ 7. A group of related phyla are in the same_____arrow_forward
- In the phylogenetic tree below, which group(s) are monophyletic? (select all that apply) Group 1 Group 2 Group 3 O Group 1 O Group 2 O Group 3 O None of these groups are monophyleticarrow_forwardClassification Place the classification groups in order, starting with the most inclusive group. 1 | Species 2 ! Phylum 3 | Kingdom 4 | Class Domain 6 | Order 7 | Genus 8 | Family ::::arrow_forwardAssign the correct phylogenetic term to this image. In this image, the red circles represent species included in the taxon while the white ones are not included in the taxon. The pink bars represent the lineages presented in the taxon. monophyletic O prophylactic polyphyletic paraphyleticarrow_forward
- What phylum no longer exists and now considered as a family?arrow_forwardINSTRUCTIONS: 1. Fill out the blank with their Dichotomous key.2. In each numbered series you should read both choices, determine which choice best applies to the Phylum. Note that some Phyla are already given as guides.3. Proceed where the key tells you to go, often skipping other steps (numbers) in between that do not apply. Dichotomous key for the Major Invertebrate Phyla 1. Radial symmetry or asymmetry…………………………………………….……………………………………….… Proceed to Number 2 Bilateral symmetry………………………………………….……………………………………………………………..… Proceed to Number 4 2. Highly porous surface, not true tissues……………………………………Phylum ________________ Surface is not highly porous, true tissues present………………………………………………………..….. Proceed to Number 3 3. Exhibits pentaramous symmetry and tube feet……………………….Phylum _______________ Lacks pentamerous symmetry and tube feet, possesses tentacles (with nematocysts)…………………………………………………………………………Phylum ________________ 4. Macroscopic colony of sessile, microscopic…arrow_forwardPhylogenetics vs. Linnaean Taxonomy.arrow_forward
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