protozoan

As nouns the difference between bacterium and protozoan

is that bacterium is (microbiology) a single celled organism with no nucleus while protozoan is (cytology) any of the diverse group of eukaryotes, of the phylum protozoa, that are primarily unicellular, existing singly or aggregating into colonies, are usually nonphotosynthetic, and are often classified further into phyla according to their capacity for and means of motility, as by pseudopods, flagella, or cilia.

As an adjective protozoan is

of, pertaining to, or characteristic of a protozoan.

As nouns the difference between protozoan and protoctist

is that protozoan is (cytology) any of the diverse group of eukaryotes, of the phylum protozoa, that are primarily unicellular, existing singly or aggregating into colonies, are usually nonphotosynthetic, and are often classified further into phyla according to their capacity for and means of motility, as by pseudopods, flagella, or cilia while protoctist is any of several unicellular protists, of the kingdom formerly named protoctista'' but now named ''protista .

As adjectives the difference between protozoan and protoctist

is that protozoan is of, pertaining to, or characteristic of a protozoan while protoctist is of or pertaining to these organisms.

As a noun protozoan is

(cytology) any of the diverse group of eukaryotes, of the phylum protozoa, that are primarily unicellular, existing singly or aggregating into colonies, are usually nonphotosynthetic, and are often classified further into phyla according to their capacity for and means of motility, as by pseudopods, flagella, or cilia.

As an adjective protozoan is

of, pertaining to, or characteristic of a protozoan.

As nouns the difference between metazoan and protozoan

is that metazoan is (zoology) any animal that undergoes development from an embryo stage with three tissue layers, namely the ectoderm, mesoderm, and endoderm the term applies to all animals except the sponges while protozoan is (cytology) any of the diverse group of eukaryotes, of the phylum protozoa, that are primarily unicellular, existing singly or aggregating into colonies, are usually nonphotosynthetic, and are often classified further into phyla according to their capacity for and means of motility, as by pseudopods, flagella, or cilia.

As adjectives the difference between metazoan and protozoan

is that metazoan is having to do with animals that develop from an embryo with three tissue layers while protozoan is of, pertaining to, or characteristic of a protozoan.

As nouns the difference between coelenterate and protozoan

is that coelenterate is any simple aquatic animal bearing tentacles with nematocysts examples include jellyfish, coral, and anemones while protozoan is (cytology) any of the diverse group of eukaryotes, of the phylum protozoa, that are primarily unicellular, existing singly or aggregating into colonies, are usually nonphotosynthetic, and are often classified further into phyla according to their capacity for and means of motility, as by pseudopods, flagella, or cilia.

As an adjective protozoan is

of, pertaining to, or characteristic of a protozoan.

As nouns the difference between sponges and protozoan

is that sponges is while protozoan is (cytology) any of the diverse group of eukaryotes, of the phylum protozoa, that are primarily unicellular, existing singly or aggregating into colonies, are usually nonphotosynthetic, and are often classified further into phyla according to their capacity for and means of motility, as by pseudopods, flagella, or cilia.

As a verb sponges

is (sponge).

As an adjective protozoan is

of, pertaining to, or characteristic of a protozoan.

As nouns the difference between eumetazoan and protozoan

is that eumetazoan is (zoology) any animal of the subkingdom eumetazoa (all animals except sponges) while protozoan is (cytology) any of the diverse group of eukaryotes, of the phylum protozoa, that are primarily unicellular, existing singly or aggregating into colonies, are usually nonphotosynthetic, and are often classified further into phyla according to their capacity for and means of motility, as by pseudopods, flagella, or cilia.

As an adjective protozoan is

of, pertaining to, or characteristic of a protozoan.

As nouns the difference between taxonomy and protozoan

is that taxonomy is the science or the technique used to make a classification while protozoan is (cytology) any of the diverse group of eukaryotes, of the phylum protozoa, that are primarily unicellular, existing singly or aggregating into colonies, are usually nonphotosynthetic, and are often classified further into phyla according to their capacity for and means of motility, as by pseudopods, flagella, or cilia.

As an adjective protozoan is

of, pertaining to, or characteristic of a protozoan.

As nouns the difference between protozoan and ciliates

is that protozoan is (cytology) any of the diverse group of eukaryotes, of the phylum protozoa, that are primarily unicellular, existing singly or aggregating into colonies, are usually nonphotosynthetic, and are often classified further into phyla according to their capacity for and means of motility, as by pseudopods, flagella, or cilia while ciliates is .

As an adjective protozoan

is of, pertaining to, or characteristic of a protozoan.