Invertebrado

The video tutorial explains that approximately 95% of all animal species are classified into about 30 subgroups, ranging from simple organisms like sponges and flatworms to more complex animals such as mollusks, insects, arachnids, and crustaceans. It provides an overview of the diversity and classification of animal species.

What percentage of all animal species do the discussed groups account for?

• 95%

• 50%

• 75%

• 100%

How many subgroups are included in modern animal classifications?

• 20

• 30

• 40

• 10

Which of the following is NOT mentioned as a subgroup in modern classifications?

• Mollusks

• Sponges

• Flatworms

• Birds

Which of these is an example of a more complex animal group?

• Sponges

• Insects

• Flatworms

• Bacteria

Which group includes arachnids?

• Insects

• Arachnids

• Mollusks

• Crustaceans