Q:
What are animals without a backbone called?
A:
Quick Answer
Animals without a backbone are called invertebrates. These organisms lack a spinal column and cranium base in their body structure. There are over 1 million known species of invertebrates.
Continue Reading
Credit:
Eirien
CC-BY-2.0
Full Answer
Invertebrates can be grouped into eight taxonomic classes. These classification groups, also known as phyla, include cnidarians, porifera, platyhelminths, nematode, echinoderms, molluscs, arthropods and annelids. Within each of these classifications are sub-groups that are based on characteristics of the organisms. For instance, the animals categorized as arthropods can further be divided into sub-groups such as insects, crustaceans and arachnids. Being heterotrophs, invertebrates consume both plants and other animals for their sustenance.
Learn more about ZoologyRelated Questions
-
Q:
What animal can see ultraviolet color?
A: The vast majority of animals with ocular media, including fish, amphibians, insects and other invertebrates, reptiles, birds and some mammals are capable o... Full Answer >Filed Under: -
Q:
What animals don't have a backbone?
A: Animals that don't have a backbone include insects, spiders, scorpions and cephalopods. Bivalves such as clams, mussels and oysters lack a backbone, as do ... Full Answer >Filed Under: -
Q:
What are some differences between vertebrates and invertebrates?
A: The main difference between vertebrates and invertebrates is that vertebrates have backbones as part of their endoskeletons, whereas the anatomy of inverte... Full Answer >Filed Under: -
Q:
Is a butterfly an invertebrate?
A: According to the University of Arizona, butterflies belong to the phylum Arthropoda and subsequently classify as invertebrates. Butterflies are insects tha... Full Answer >Filed Under:
