Ch 5: Order Sirenia

About This Chapter

Let us help you learn more about the animals included in the order Sirenia with our informative chapter. The text lessons and quizzes that make up this comprehensive study guide will help you prepare for a class project, study for a test or complete a challenging homework assignment.

Order Sirenia - Chapter Summary

In this chapter, our instructors introduce the animals found in the order Sirenia for your review. The habitat and life cycle, as well as some facts, are discussed for both the manatee and the dugong in these lessons. After you've reviewed this material, the short quiz that follows will help you make sure you've understood what you've learned. Or, take the quizzes before reviewing the lessons as a great test prep tool to see how you'd do on test day. If at any time you need help, reach out to one of our instructors for assistance. This chapter is designed to help you:

  • Explain the habitat of the manatee
  • Differentiate between Amazonian and African manatees
  • Discuss the reproductive and life cycles of the manatee
  • Understand why manatees are endangered
  • Compare the manatee with the dugong
  • Outline the population of the dugong
  • Detail the dugong's mating and life cycles

7 Lessons in Chapter 5: Order Sirenia
Test your knowledge with a 30-question chapter practice test
Where Do Manatees Live? - Habitat & Facts

1. Where Do Manatees Live? - Habitat & Facts

In this lesson, we'll be learning about the three different habitats that host manatees, the Gulf of Mexico and the Caribbean, the Amazon River, and the west coast and rivers of Africa.

Types of Manatees: Amazonian & African

2. Types of Manatees: Amazonian & African

There are three species of manatees in the world. In this lesson, you will look more closely at two of these species: the Amazonian manatee and the West African manatee.

Manatees: Life Cycle & Reproduction

3. Manatees: Life Cycle & Reproduction

In this lesson, you will learn about the life cycle and reproduction of manatees. There are three species of manatees, but the life cycle is similar across all three species.

Why are Manatees Endangered?

4. Why are Manatees Endangered?

One of the gentlest and most defenseless creatures in the world is the manatee. Find out why this animal is under threat from numerous sources, many of which are largely human in origin.

Dugong vs. Manatee

5. Dugong vs. Manatee

While dugongs and manatees are closely related, in many ways there are a number of differences between the species. In this lesson, you'll explore some of those differences.

What is a Dugong? - Definition, Habitat & Population

6. What is a Dugong? - Definition, Habitat & Population

Dugongs are a close relative of the manatee. In this lesson you will learn about their habitat, their population and conservation status, and a physical description.

Dugong Life Cycle & Mating

7. Dugong Life Cycle & Mating

In this lesson, you will learn about the life cycle and mating practices of the dugong, which is one of the four living members of the ''Sirenia'' order, along with manatees.

Chapter Practice Exam
Test your knowledge of this chapter with a 30 question practice chapter exam.
Not Taken
Practice Final Exam
Test your knowledge of the entire course with a 50 question practice final exam.
Not Taken

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