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.
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.
Cavemen chose animals as their Primary subject.
first primary
rovryfuyhk
it is the zipcode + house number of your record, a unique identifier.
The characteristics of social group is a number, 1. Recipsocial relationship; 2. Sense unity ; 3. We-feeling; 4. Commn intrest, 5. Similar behoviour,
Animals that eat producers are called primary consumers or herbivores.
performance quality
primary because secondary consumers eat animals and plants and butterflys dont eat animals (:
Arthropod characteristics include segmented bodies, an exoskeleton made from chitin, and joint appendages.
The primary characteristics of the first cities was as necessity dictated, defensibility and water.
primary because secondary consumers eat animals and plants and butterflys dont eat animals (: