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- Discuss the classifications and features of animal body plans.
- Describe the characteristics of Parazoa.
- Take a look at the characteristics of Radiata.
- Name the characteristics of Protosomes.
- List the characteristics of Deuterostomes.
1. Animal Body Plans: Classifications and Features
The Animal Kingdom is diverse and complex. How do we make sense of it all? Scientists use body plans to classify and organize the animals of Earth, making it much easier to differentiate between them.
2. Parazoa: Definition and Characteristics
The sub-kingdom Parazoa is a special group of animals that are unlike any other. In this video lesson, you'll learn about the characteristics of Parazoans and identify what makes them a unique section of the Animal Kingdom.
3. Radiata: Definition and Characteristics
The super-phylum Radiata describes a unique and interesting group of animals. In this video lesson you'll identify various animals that belong in this classification as well as describe the characteristics that make them so identifiable.
4. Protostomes: Definition and Characteristics
Though you may not be able to tell just by looking at them, protostomes are an evolutionarily related group based on shared characteristics of their body plans. In this lesson, you will identify these characteristics, as well as see examples of the variety of animals this group encompasses.
5. Deuterostomes: Definition and Characteristics
Deuterostomes, like tunicates and urchins, are amazing creatures that are classified together because they share aspects of their evolutionary pasts. In this lesson, you'll identify these characteristics and see what makes this group of animals unique.
6. Obligate Anaerobes: Definition & Examples
Oxygen is everywhere...or is it? This lesson will explore some organisms that can die if they are exposed to oxygen - the obligate anaerobes. In addition, it will discuss the different types of metabolisms obligate anaerobes.
7. Phylum Arthropoda Circulatory System
Arthropods have a number of features that set them apart from other animals. One of these features is their open circulatory system, with both a haemocoel and hemolymph, which we'll discuss in more detail in this lesson.
8. Phylum Arthropoda Digestive System
A wide variety of species in the animal kingdom belong to the group called Arthropoda; commonly called arthropods. In this lesson, we will be looking at the anatomy of their unique digestive system and how it functions.
9. Phylum Arthropoda Exoskeletons
Phylum Arthropoda is varied and widely spread. However, all its members share certain characteristics. In this lesson you'll learn about one of these: the exoskeleton.
10. Phylum Arthropoda Nervous System
How does an arthropod sense the world around it? How do these animals react to external stimuli? In this lesson, we'll discuss the structure and function of the arthropod nervous system, and compare a few special examples of arthropod nervous system adaptations.
11. Phylum Arthropoda Reproduction System
Although most arthropods reproduce through direct sexual reproduction and lay eggs, there is much more diversity beyond that. We will look at several reproductive features and methods, and review some examples of species that use each type.
12. What Are Bivalves? - Definition, Characteristics & Examples
Expand your knowledge of the animal kingdom by learning about bivalves, a type of shelled animal that can be found all over the world in different water environments. Then test yourself on your new knowledge.
13. Echinodermata Respiratory System
How does a starfish breathe? In this lesson, we'll learn about the structure and function of the echinoderm respiratory system, along with some variations between different echinoderms.
14. Annelid Reproduction: Facts & Example
Annelids, or segmented worms, reproduce both sexually and asexually depending on the species. In this lesson you'll learn about how some of the different annelids and how they reproduce.
15. Annelida: Skeleton & Segmentation
In this lesson, we'll discuss the hydroskeleton and segmentation of animals in the Phylum Annelida. Annelids include earthworms, leeches, and marine polychaete worms. Their body structure gives them support, even without a bony skeleton.
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