Nigerians and Their Aquatic Environment

The video introduces Nigerians, a group of aquatic animals with over 10,000 species found in freshwater and saltwater. Nigerians are unique due to their specialized cells called nytes. The video covers the five classes of Nigerians, their body structures, and their roles as predators and prey. It highlights their ability to regenerate and discusses the potential danger of jellyfish to humans. The importance of coral reefs is also emphasized, providing benefits like fishing grounds and shore protection.

What makes Nigerians unique among aquatic animals?

• Their specialized cells called nytes

• Their colorful scales

• Their ability to live on land

• Their ability to fly

How many classes of Nigerians include jellyfish?

• One

• Two

• Three

• Four

What is the primary function of the tentacles in Nigerians?

• To help them swim faster

• To catch prey

• To communicate with other Nigerians

• To protect them from predators

What is the main component of a Nigerian's body?

• Bone

• Cartilage

• Moglia

• Scales

Which of the following is NOT a predator of Nigerians?

• Eagles

• Turtles

• Sea slugs

• Starfish

What is a remarkable ability of Nigerians?

• Flying

• Regenerating lost parts

• Changing colors

• Singing

Which jellyfish is considered the most venomous?

• Moon jelly

• Sea nettle

• Sea wasp

• Lion's mane

What role do coral reefs play in the environment?

• They produce oxygen

• They provide fishing grounds and protect shores

• They are a source of fresh water

• They are used for building materials

True or False: Nigerians have a central nervous system.

• True

• False

Which of the following is a benefit of coral reefs?

• They increase ocean temperatures

• They prevent hurricanes

• They decrease water salinity

• They provide habitats for marine life