Animal classification(bio 100)

The chracteristics of animals include:

Most phylum groups do not have a backbone. This means that they are not

The number of phylums that have backbones are/is

Sponges live in the ocean and have a porous body. They are included in the Phylum

Sponges and Cnidarians do not have bilaterally symmeterical bodies

Phylum mollusa are often covered by a shell. An example of phylum mollusca is:

The main difference between vertebrates and invertebrates is the presense of

These phylums are often parasites and an example is ascaris. The phylum is:

The majority of phylum groups often live

These phylums are spiny-skinned and often have a star-like apperance. These are:

Annelida are hermaphrodites(both female/male organ in same body), and have a segmented body. An example is:

An ________ is an organism that eats both plants and animals

Phylum chordata includes:

If an organism instead relies on external environmental factors to regulate its body temperature, then it is considered ectothermic. These include:

All birds can fly

One defining chracteristic of mammals is that they: