Animals

Front

What are the main characteristics of vertebrates?

Back

Vertebrates typically have a backbone, a complex nervous system, and an internal skeleton. They also possess lungs or gills for respiration, and most have a closed circulatory system.

Front

What is an arthropod?

Back

Arthropods are invertebrates characterized by an exoskeleton, segmented bodies, and jointed appendages. Examples include insects, arachnids, and crustaceans.

Front

Which animals are classified as invertebrates?

Back

Invertebrates are animals that lack a backbone. This group includes arthropods, mollusks, annelids, cnidarians, and more.

Front

What is the difference between cartilaginous and bony fish?

Back

Cartilaginous fish, such as sharks and rays, have skeletons made of cartilage, while bony fish have skeletons made of bone.

Front

What are the main groups of vertebrates?

Back

The main groups of vertebrates include fish, amphibians, reptiles, birds, and mammals.

Front

What defines amphibians?

Back

Amphibians are a class of animals that typically have a life cycle that includes both aquatic and terrestrial stages. They usually have moist skin and undergo metamorphosis.

Front

What is an exoskeleton?

Back

An exoskeleton is a rigid external covering that provides support and protection to an animal's body, commonly found in arthropods.

Front

Can you name a characteristic that distinguishes reptiles from amphibians?

Back

Reptiles typically have dry, scaly skin and lay eggs with hard shells, while amphibians have moist skin and lay eggs in water.

Front

What is the role of lungs in vertebrates?

Back

Lungs are respiratory organs that allow vertebrates to take in oxygen from the air and expel carbon dioxide.

Front

What is the significance of the backbone in vertebrates?

Back

The backbone, or vertebral column, provides structural support, protects the spinal cord, and allows for greater mobility and flexibility.