Which of the following groups of animals lacks cephalization?
Question 4 options:
Arthropods
Cnidarians
Roundworms
Annelids
Yes. They have extensive cephalization. They have a brain and eyes.
While this compound has a few code names assigned by individual producers, it has no common name. Most organic chemicals lack common names.
Animals go extinct for numerous reasons. Common reasons animals die out are lack of habitat, over hunting, and changes in food or water sources.
Disease, poisonous animals, unclean water, lack of food. It depends on what part of Africa though.
lack of common sense..
Porifera (sponges), Ctenophora (comb jellies), and Placozoa do not exhibit cephalization, which is the development of a head region with sensory organs. These organisms typically lack centralized nervous systems and instead have dispersed nerve cells throughout their bodies.
A lot of protists have only been recently discovered or due to their small size are virtually unknown to most people. This causes many of them to lack common names. However, for those that do have common names you can usually find them by doing a google search. Also see the Wikipedia page on protists where many are shown with their common and scientific names.
There are quite a few animals that contain tissues but lack complex organs. One of these animals is the jellyfish.
In Hindu mythology names are often singular. They lack surnames, or the cities from which they hail, as is common in many Western traditions.
The two broadest classes of cells are prokaryotic cells (bacteria and archea), which lack a nucleus, and eukaryotic cells (animals, plants, fungi, and protists) which posses a nucleus and other membrane-bound organelles.
a common ancestorA common ancestor is what protest lack. This is what makes them so diverse.
Extinction.