Invertebrates

Animals that don’t have a backbone, but some have harder outer shells or exoskeletons for protection

Around ___% of all animals species are invertebrates

Invertebrates are incredibly diverse, with over how many different phyla?

Most common phyla (8)

A phylum of primitive invertebrate animals commonly known as ____

Classes of sponges (4) and scientific name

Second largest phylum of invertebrate animals, after anthropoda.

Are soft-bodied animals, typically with a muscular foot for locomotion, a mantle that secretes a calcareous shell, and visceral mass that contains the internal organs

Classes of mollusks (8)

Also known as ____ are a large phylum of invertebrate animals found in a variety of habitats, including marine, freshwater and terrestrial environment

Classes of annelids (3)

A phylum of marine invertebrates, easily recognizable by their radial symmetry and spiny skin.

Echinodermata comes from the greek words ____meaning ___ and ___ meaning ___ a reference to their characteristics spines or bumps that cover their bodies

Classes of echinoderms and scientific name (5)

A phylum of aquatic invertebrates. They are known for their stinging cells called ____

Classes of cnidarians (4)

Also known as ____ (from the greek ___ meaning ____“flat” and helminth meaning ___

They are a phylum of relatively simple bilaterian, unsegmented, soft-bodied invertebrates

Classes of flatworms (4)

A phylum of invertebrate animals. Also known as ____ or ____

They are one of the most abundant animal groups on earth, found in a wide variety of habitats including soil, freshwater, marine environment and even inside other animals as parasite

Classes of nematodes (2)

Are invertebrates that make up about ___% of all the animals on earth

All share some common characteristics such as segmented bodies, jointed limbs and exoskeleton