Animal Kingdom Classification and Characteristics

The video explores the classification of living organisms into five kingdoms, focusing on the animal kingdom. It discusses the division of animals into vertebrates and invertebrates, highlighting the main animal phyla. The video further delves into the characteristics of vertebrates, such as fish, birds, amphibians, mammals, and reptiles, and explains the diversity within invertebrates, particularly arthropods.

How many species of animals are thought to exist on Earth?

• Over 1 million

• Over 10 million

• Over 5 million

• Over 7.5 million

Which of the following is NOT one of the five main animal phyla?

• Arthropods

• Echinoderms

• Annelids

• Mollusks

What is the key characteristic that distinguishes vertebrates from invertebrates?

• Living in water

• Having an exoskeleton

• Ability to fly

• Presence of a backbone

What is the mnemonic used to remember the five main animal phyla?

• Animals are mostly nocturnal

• Auntie Anne makes nice cakes

• Five animals make noise

• All animals need care

Which class of vertebrates is known for having fur or hair and feeding their young with milk?

• Reptiles

• Birds

• Amphibians

• Mammals

Which of the following is NOT a class of vertebrates?

• Amphibians

• Insects

• Birds

• Fish

Which of the following is a characteristic of reptiles?

• They live only in water

• They breathe through gills

• They have scaly skin

• They have moist skin

How many species of mammals are classified into three subclasses?

• About 10,000

• About 5,000

• About 3,000

• About 1,000

What is a defining feature of arthropods?

• They have a soft body

• They have jointed legs

• They are warm-blooded

• They have a backbone

Which class of arthropods do spiders belong to?

• Crustaceans

• Insects

• Myriapods

• Arachnids