1.) what conditions favor the preservation of soft parts as fossils within sedim
ID: 114848 • Letter: 1
Question
1.) what conditions favor the preservation of soft parts as fossils within sediments?2.) what are the three domains of the tree of life?
4.) What is the value of derived traits for the reconstruction of phylogenies?
6.) in what ways do animals participate in the reproduction of seed plants?
8.) what kinds of animals are included among the arthropods? What kinds are included among the mollusks?
9.) how do lobe-finned fishes differ from ray-finned fishes, and why were the ray-finned forms unlikely to give rise to terrestrial animals? 1.) what conditions favor the preservation of soft parts as fossils within sediments?
2.) what are the three domains of the tree of life?
4.) What is the value of derived traits for the reconstruction of phylogenies?
6.) in what ways do animals participate in the reproduction of seed plants?
8.) what kinds of animals are included among the arthropods? What kinds are included among the mollusks?
9.) how do lobe-finned fishes differ from ray-finned fishes, and why were the ray-finned forms unlikely to give rise to terrestrial animals?
2.) what are the three domains of the tree of life?
4.) What is the value of derived traits for the reconstruction of phylogenies?
6.) in what ways do animals participate in the reproduction of seed plants?
8.) what kinds of animals are included among the arthropods? What kinds are included among the mollusks?
9.) how do lobe-finned fishes differ from ray-finned fishes, and why were the ray-finned forms unlikely to give rise to terrestrial animals? 2.) what are the three domains of the tree of life?
4.) What is the value of derived traits for the reconstruction of phylogenies?
6.) in what ways do animals participate in the reproduction of seed plants?
8.) what kinds of animals are included among the arthropods? What kinds are included among the mollusks?
9.) how do lobe-finned fishes differ from ray-finned fishes, and why were the ray-finned forms unlikely to give rise to terrestrial animals?
Explanation / Answer
1] Conditions that favor the preservation of soft parts as fossils within sediments are -
- In organic-rich portions of these sediments, which are nearly impermeable to air and water because they are rich in oily plant debris,
- water repellent organic matter
2] The three domains of the tree of life -
i. The Bacteria include thousands of species of microscopic, single-celled organisms. While they don't have a lot of morphological differences (like feathers, legs, hair, organs, etc.) there are many metabolic (energy processing) differences between bacterial species.
ii. The Archaea discovered most recently and at first glance they seem very similar to the bacteria.
iii. The Eukarya is the one you are probably most familiar with, it includes what we think of the morphalogical complex organisms.
4] The value of derived traits for the reconstruction of phylogenies is the origin of each derived trait marks a branching point in the evolution of an organism.
6] They are attracted to flowers and transfer the pollen structures that contain female gametophytes. They can disperse seeds caught in fur or feathers. They can also eat fruits and seeds pass through the digestive tract to land on the ground far from parent plants.
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