1. Here is how to start. You have to show the derived characteristic for each phylum (red) on top of the branch. Next trait is cephalization and the next animal phylum is Platyhelmintes. Next complete digestive system phylum Nematoda. and so on. Use the traits (derived characteristics) that we covered in animal chapter to construct the rest of the tree. Symmetry cnidarian Eukaryotic multi cellular, heterotrophic Porifera 2. Explain the following characteristic in the nine-animal phylum. (true tissues, symmetry, type of digestive system, segmentation) Example: Phylum Porifera (sponge) true tissues (absent), symmetry (no symmetry or radial symmetry, type of digestive system (incomplete), segmentation (absent)

1. Here is how to start. You have to show the derived characteristic for each phylum (red) on top of the branch. Next trait is cephalization and the next animal phylum is Platyhelmintes. Next complete digestive system phylum Nematoda. and so on. Use the traits (derived characteristics) that we covered in animal chapter to construct the rest of the tree. Symmetry cnidarian Eukaryotic multi cellular, heterotrophic Porifera 2. Explain the following characteristic in the nine-animal phylum. (true tissues, symmetry, type of digestive system, segmentation) Example: Phylum Porifera (sponge) true tissues (absent), symmetry (no symmetry or radial symmetry, type of digestive system (incomplete), segmentation (absent)

Biology 2e

2nd Edition

ISBN:9781947172517

Author:Matthew Douglas, Jung Choi, Mary Ann Clark

Publisher:Matthew Douglas, Jung Choi, Mary Ann Clark

Chapter29: Vertebrates

Section: Chapter Questions

Problem 4RQ: Which of the following is not contained in phylum Chordata? Cephalochordata Echinodermata...

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USE THE DICHOTOMOUS KEY BELOW TO IDENTIFY EACH INSECT IN THE PICTURE. WRITE THE ORDER NAME OF EACH INSECT'S PICTURE IN THE SPACE PROVIDED. INSECT DICHOTOMOUS KEY 1. DOES THE INSECT HAVE WINGS? IF YES - GO TO STEP 2 IF NO - ORDER HEMIPTERA 2. DOES THE INSECT HAVE PARALLEL WINGS? (HINT: PARALLEL WINGS DON'T STICK OUT TO THE SIDE) IF YES - GO TO STEP 3 IF NO - GO TO STEP 4 3. DOES THE INSECT HAVE PARALLEL LINE DOWN THE BACK THAT DIVIDES THE WINGS? IF YES - ORDER COLEOPTERA IF NO - ORDER ORTHOPTERA 4. DOES THE INSECT HAVE 4 TOTAL WINGS? IF YES - GO TO STEP 5 IF NO - ORDER DIPTERA 5. DOES THE INSECT HAVE LONG ANTENNAE? IF YES - GO TO STEP 6 IF NO - ORDER ODONATA 6. DOES THE INSECT HAVE A SMALL BODY WITH LARGE FAN-SHAPED WINGS? IF YES - ORDER LEPIDOPTERA IF NO - ORDER HYMENOPTERA
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