Question
At one point in history, all organisms were classified as either anime
of model?
A. O Can subsystems further classify the plants and animals?
B. • Are bacteria considered plants or animals?
C.O How many types animals exist in the world?
D. O How is an animal classified?
Answer
A. No, currently organisms are classified into different kingdoms, phyla, classes, orders, families, genera, and species.
B. Bacteria are considered neither plants nor animals, they belong to their own kingdom called Monera.
C. There are approximately 8.7 million animal species in the world.
D. Animals are classified based on their physical and genetic characteristics, including their body structure, behavior, and evolutionary history.