Animalscaretips
Cnidarians are the most primitive "true" multicellular animals (Subkingdom Eumetazoa).
- What is the most primitive phylum in the animal kingdom?
- Which phylum is most primitive?
- Which phylum of animals has the most species?
- Which two animal groups are the most primitive?
- What is the most primitive mammal?
- Which phylum are primitive multicellular animals?
- Why are sponges considered the most primitive animal phylum?
- What is primitive organism?
- What is the meaning of primitive multicellular animals?
- Why is Arthropoda the largest phylum?
- Which plant phylum contains the highest number of species?
- What phyla of animals has the greatest number of species quizlet?
- What are primitive mammals?
- Which are primitive relatives of animals?
What is the most primitive phylum in the animal kingdom?
Phylum Porifera: The Most Primitive Animals.
Which phylum is most primitive?
Sponges—from the phylum Porifera (Latin for porus, meaning “pore,” and fera, meaning “bearing”) are thought to represent the most primitive animals.
Which phylum of animals has the most species?
Arthropoda arth-roh-POH-duh (over 800,000 species described; estimates of actual diversity vary but go as high as 9 million species): The most diverse and successful animal phylum on earth (incorporating about 75% of all described animal species), the Arthropoda are characterized by jointed legs and a chitinous ...
Which two animal groups are the most primitive?
Invertebrates. Sponges are the most primitive of animal groups. They live in water (usually saltwater), are sessile (do not move from place to place), and filter tiny organisms out of the water for food.
What is the most primitive mammal?
Monotremes, considered the most primitive form of mammals, have birdlike and reptilian features. The females lay eggs. Monotremes are represented by the aquatic duckbilled platypus and insectivorous echidna (spiny anteater).
Which phylum are primitive multicellular animals?
Additional Information: Phylum Porifera commonly known as sponges is the most primitive of multicellular animals.
Why are sponges considered the most primitive animal phylum?
Sponges are considered the oldest living animal phylum. ... Sponges are among the simplest of animals, with partially differentiated tissues but without muscles, nerves, or internal organs. In some ways they are closer to being cell- colonies than multicellular organisms.
What is primitive organism?
An organism which has a simple body structure and ancient body design or features that have not changed much over a period of time is called primitive. Advanced organisms were once primitive organisms and have been advanced with evolution over time.
What is the meaning of primitive multicellular animals?
Answer: PRIMITIVE MULTICELLULAR MARINE ANIMAL WHOSE POROUS BODY IS SUPPORTED BY A FIBROUS SKELETAL FRAMEWORK; USUALLY OCCURS IN SESSILE COLONIES MEANING - NEAR BY WORDS. Primitive multicellular marine animal whose porous body is supported by a fibrous skeletal framework; usually occurs in sessile colonies.
Why is Arthropoda the largest phylum?
Why is arthropoda the largest phylum? Phylum arthropoda includes 80% species of animals. These species evolved certain adaptive features over the years to survive the changing climatic conditions and form the largest phylum in the animal kingdom.
Which plant phylum contains the highest number of species?
Class insecta in Phylum Arthropoda has the highest diversity of any known group of animals. Answer: PHYLUM arthopoda in which class insecta got highest number of species.
What phyla of animals has the greatest number of species quizlet?
Arthropods have the most species. c. There are more vertebrate species than invertebrates. Which of the following characteristics is NOT true of all animal phyla?
What are primitive mammals?
Primitive mammal can refer to: monotremes. marsupials. sloths. armadillos.
Which are primitive relatives of animals?
Protozoans are believed to be primitive relative of animals.
