They are bi-valves (have two shells) Valves have three layers: a pearly, a prismatic, and a hard outer layer can form pearls, but they are irregular and worthless sorry, but that's all i know i'm not an expert
The distinct characteristics of plants is the way of their absorbing the energy(food)it is called photosynthesis is a kind of METABOLISM
Hard and stoney. :)
some animals such as clams have hard shells to protect them. sometimes if a predator sees a sheel it will either think it's a rock, but even if they dont think its a rock they will struggle to get the clam out of the shell even though some animals are able to.
Gastrulation, multicellularity, collagen proteins, flagellated sperm, and heterotrophic nutrition.
yes, some clams can scream. clams in imax deep sea screamed
There are a few distinct characteristics of a Henley shirt. Some of these characteristics may include its 10cm long placket beneath the round neckline, and its 2-5 buttons.
Hard working and friendly.
Some.
Yes, some types of crabs eat clams.
Clams are predated mostly by sea stars and some molluscs.
There is no proof that aliens exist. If they do, it is possible that alien races could have hard and soft invertebrate characteristics.
It must be distinct from other organisms. It must have lived in a very wide geographic region