WHAT IS LIFE? ACHIEVE ACCESS 1 TERM
5th Edition
ISBN: 9781319360702
Author: PHELAN
Publisher: INTER MAC
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Chapter 10, Problem 12SA
Summary Introduction
To review:
A comparison of homologous and analogous structures with an example each.
Introduction:
Many organisms have similar structural adaptations that help them survive in their environments.
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Discriminate between homologous and analogous structures.
what are the differences between homologous & analogous
Distinguish between homologous and analogousstructure.
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WHAT IS LIFE? ACHIEVE ACCESS 1 TERM
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- What are homologous structures? Give an example. Is it necessary that homologous structures always have a common ancestor. Justify your answer.arrow_forwardUse examples to explain the difference between analogousstructures and homologous structures.arrow_forwardDifferentiate between analogous and homologous structures.arrow_forward
- A cat has front legs, and a bird has wings. Are these front legs and wings an example of homologous structures, or an example of analogous structures? Briefly explain your choice.arrow_forwardWhat are homologous structures? Give an example. Is it necessary that homologous structures always have a common ancestorsarrow_forwardUse the shapes below to answer Question number 2. Please be accurate and complete it CORRECTLY. Don’t use previous answers.arrow_forward
- Give typing answer with explanation and conclusionarrow_forwardDr. Olivera describes how cone snail shell similarities are a proxy for relatedness but describes how this works on a molecular level with the construction of a phylogenetic tree from the ribosomal DNA sequence comparisons. Group of answer choices True Falsearrow_forwardName a type of homology that is useful in buildingphylogenetic trees and explain why this kind of homology, andnot others, is usefularrow_forward
- Draw a simple phylogenetic tree for two sisters clades with a common ancestor. Each sister clade consists of two taxa. Define the following terms and use to label your diagram: clade, node, branch, common ancestor, and taxon.arrow_forwardAnalogous structures perform similar functions but do not arise from common ancestry. What explains the existence of analogous structures?arrow_forwardDifferentiate analogous structures from homologous types. Identify which is which among the shark, pigeon and cat when you transition from each of the classes. For this, create a 4-column table with the following headings: (1) Structure, (2) Specimen a vs b, (3) Specimen b vs c, and (4) Specimen c vs a. For each cell, write either AS for analogous structures, or HS for homologous types. Note (not all structures encountered need to be here).arrow_forward
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