- Parazoans:Lack: ____, ____, true ____, and true ____-mostly marine-____ (remain in one place)
- ____ have the first opening (blastopore) becomes the mouth and they exhibit spiral cleavage (ie Molluscs)
- ___ is a cavity inside the body that is not exposed to the outside
- ____ are multicellular organisms that lack a backbone. They having varying body structures, occupy almost every habitat, and make up 95% of animal species
- There are three categories of body cavities:___: organism without body cavity___: organism with a body cavity that is only lined partially by mesoderm (true ____)___: organisms with a body cavity lined entirely by mesoderm (true ___)
- Gastrulation forms the ____ gut or archenteron Nervous tissue develops from the ____Cardiac tissue develops from the ____
- The lack of true tissues in sponges shows a clear transition between ____ and animals
- Kingdom Animalia is also known as ____. "___" means animal
- Invertebrates and vertebrates are classifications/groups of Kingdom Animalia
- Kingdom Animalia is divided into ___ and ____. This an even/uneven division
- _____ are the initial mitotic cell divisions of a zygote that occur rapidly with little cell growth between generations. ___ and ____ are the configurations that can occur.
- There are ___ to ___ million species on the planet and ____ make up 95% of that number
- Multicellular Advantages:-___ size-____-___ internal environment-Relative ___ from environment
- Most animals reproduce asexually/sexually and the haploid/diploid ploidy is the most dominant
- ____ is the centralization of sensory structures that produces a head
- Symmetry in Animals:_____ : numerous imaginary planes create numerous mirror images and their morphology allows the organism to interact with a 360° perspective. These organisms typically have a _____ nervous system. ____ : a single imaginary plane that creates a mirror image resulting in two sides and their morphology is associated with a ____ nervous system and a collection of sensory structures that produce a head.
- Animals tend to be:-Eukaryotic, heterotrophic, multicellular, and tend to exhibit motility-___ and ___ tissue is unique to animals
- The sacral vertebrae on order testudines are also known as what region?
- The caudal vertebrae on order testudines are also known as what region?
- Soon after the coelom begins to form, a researcher injects a dye into the coelom of a deuterostome embryo. Initially, the dye should be able to flow directly into the __________.