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Poriferans (sponges) lack many common characteristics of animals such as a head or a mouth. Typically poriferans do not have eyes, ears, as well as other sense organs. Poriferans do not possess major organs such as heart, stomach, muscles, or even a nervous system.
What else can I help you with?
What are the primary characteristics of animals that are not exhibited in sponges?
Sponges do have some differentiated cells that have different functions but they don't have true tissues like all other animals and plants do. Even though they're included in the Animal kingdom they also symmetry, which most other animals have.
What are some of the primary characteristics of Neolithic society?
Some primary characteristics of Neolithic society include the transition to agriculture and sedentary lifestyles, the development of pottery and weaving, the domestication of animals, the establishment of permanent settlements, and the emergence of social hierarchies and specialization of labor.
What is diploblast?
Diploblasts are organisms that develop from two primary germ layers during embryonic development. These layers are the ectoderm (outer layer) and endoderm (inner layer), with no mesoderm present. Examples include cnidarians like jellyfish and coral.
What did the first artist choose as a primary subject and why?
Cavemen chose animals as their Primary subject.
Why is the primary important?
it is the zipcode + house number of your record, a unique identifier.
What are animals that eat only primary producers classified as?
Animals that eat producers are called primary consumers or herbivores.
What were the important Characteristics of New Hampshire?
first primary
What characteristics are only found in primary succession?
rovryfuyhk
What are secondary and primary consumers?
Primary consumers feed on producers (plants) and secondary consumers feed on primary consumers. For example, rabbits are primary consumers because they feed on vegetation. Foxes are secondary consumers because they feed on rabbits.
Is a buffalo a secondary consumer?
primary because secondary consumers eat animals and plants and butterflys dont eat animals (:
Is a butterfly a primary consumer or secondary consumer?
primary because secondary consumers eat animals and plants and butterflys dont eat animals (:
What is the primary food for humans and animals?
Plants.
