Select the invertebrate.
castor bean tick zebra dove Solomon leaf frog harvest mouse
Hint: Insects, spiders, and worms are invertebrates.
Vertebrates and invertebrates are both groups of animals.
A vertebrate has a backbone. The backbone is made of many bones in an animal's back. A vertebrate's backbone helps connect the different parts of its body. In the drawings below, each vertebrate's backbone is colored orange.
An invertebrate does not have a backbone. In fact, invertebrates do not have any bones! Some invertebrates have an outer cover on their body called an exoskeleton. Other invertebrates have a soft body.
A zebra dove is a bird. Like other birds, a zebra dove is a vertebrate. It has a backbone.
A harvest mouse is a mammal. Like other mammals, a harvest mouse is a vertebrate. It has a backbone.
A Solomon leaf frog is an amphibian. Like other amphibians, a Solomon leaf frog is a vertebrate. It has a backbone.
A castor bean tick is an insect. Like other insects, a castor bean tick is an invertebrate. It does not have a backbone. It has an exoskeleton.