Phyla
An example of a bivalve.
What is an oyster or clam?
An animal that has the beginnings of a backbone during one or more stages of development.
What is a chordate?
A hard, external covering of an animal.
What is an exoskeleton?
The number of legs arachnids have.
What is eight?
All animals are a part of this Domain.
What is Eukarya?
An invertebrate that exhibits radial symmetry and tough, spiny skin.
What is an echinoderm?
An invertebrate that has a segmented body, jointed appendages, and usually an exoskeleton.
What is an arthropod?
An external structure that extends from the main body.
What is an appendage?
Birds and mammals are considered (endothermic or ectothermic?).
What is endothermic?
The number of body segments insects have.
What are three?
Vertebrates belong to this Phylum
What is Chordates?
An invertebrate with a soft body that is typically enclosed in a shell.
What is a mollusk?
Starfish have this type of symmetry.
What is radial symmetry?
A warm-blooded animal that maintains a constant internal temperature.
What is an endotherm?
A mainly aquatic arthropod that has a hard exoskeleton and two pairs of antennae.
What is a crustacean?
An invertebrate with radial symmetry, a soft body, and tentacles with stinging capability.
What is a cnidarian?
An invertebrate with a porous, asymmetrical body that pumps and filters water.
What is a poriferan?
A strong, structural protein found in skin, hair, nails, and feathers.
What is keratin?
The large region that has a particular climate and specific plants and animals.
What is a biome?
Insects, Arachnids, and Crustaceans all belong to this Phylum.
What is Arthropod?
Annelids, platyhelminthes, nematodes are 3 different phyla for different types of which common animal?
What are worms?
The small pores through which water and nutrients enter a sponge.
What are ostia?
A cold-blooded animal whose body temperature fluctuates with the temperature of its environment.
What is an ectotherm?
Most animals in the world are classified as these.
What are invertebrates?