Animal Basics
This type of cell all animals have.
What is eukaryotic?
Animals are divided into these two main groups.
What are vertebrates and invertebrates?
These were the first animals to evolve.
What are invertebrates?
This phylum is the simplest and lacks true tissues.
What is Porifera?
These were the first vertebrates to evolve.
What are fish?
An animal that cannot make its own food.
What is heterotrophic?
This refers to whether an animal has a backbone or not.
What is presence of a spine?
Early invertebrates lacked this (development of a head).
What is cephalization?
This phylum is the first to have tissues.
What is Cnidaria?
These animals must stay near water and were first on land.
What are amphibians?
Animals store energy in this molecule.
What is glycogen?
This type of symmetry has a left and right side.
What is bilateral symmetry?
Sponges belong to this phylum.
What is Porifera?
Flatworms belong to this phylum.
What is Platyhelminthes?
These animals have dry, scaly skin and lay amniotic eggs.
What are reptiles?
Animals live in these two types of environments.
What are terrestrial and aquatic?
Animals with no body symmetry are called this.
What is asymmetrical?
This phylum has stinging cells called cnidocytes.
What is Cnidaria?
This phylum has a segmented body and closed circulatory system.
What is Annelida?
Animals that regulate body temperature internally are called this.
What are endothermic?
Animals can reproduce in these two ways.
What are sexual and asexual reproduction?
This body cavity type means no coelom is present.
What is acoelomate?
This phylum includes insects, spiders, and crustaceans.
What is Arthropoda?
This phylum uses a water vascular system and tube feet.
What is Echinodermata?
This phylum includes humans and all vertebrates.
What is Chordata?