Term
| Animals Are a Sister Group With What? |
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Definition
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Term
| What are Choanoflagellates?lagellates |
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Definition
The choanoflagellates are a group of free-living unicellular and colonial flagellate eukaryotes considered to be the closest living relatives of the animals. ...
Includes Single-Celled Flagellated Species. |
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Term
| Animal Evolved How Long Ago? |
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Definition
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Term
| The Oldest Fossil Is What and How Old Is It? |
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Definition
| Sponge 570 Million Years Ago! |
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Term
| What is Animal is first in the fossil record? |
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Definition
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Term
| Doushantuo Fossils are about How Old? |
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Definition
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Term
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Definition
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Term
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Definition
| Is before 540 million years ago |
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Term
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Definition
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Term
| What happened in the Cambrian period? |
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Definition
| Most bilateral animals evolved and Burgess Shale Fauna |
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Term
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Definition
| A multicellular organism whose mouth develops from a primary embryonic opening, such as an annelid, mollusk, or arthropod |
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Term
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Definition
| Animals in which the first opening that appears in the embryo becomes the anus while the mouth appears at the other end of the digestive system |
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Term
| What are The 5 Evolutionary Important Themes? |
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Definition
1. Tissues
2. Body Symmetry
3. Cephalization
4. Body Cavity
5. Protostome vs. Deuterostome |
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Term
| Important themes about tissues |
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Definition
The Basal Animal Lineage Lack Tissue
Cell Level Organizational only |
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Term
| Basal Animal Lineages Lack What? |
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Definition
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Term
| Choanoflagelletes are what |
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Definition
A.Sister Group to Animals
B. Sessile (Attached directly by its base without a stalk or peduncle)
C. Collar Celled |
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