Igneous rock is the answer
Answer:
the heart
Explanation:
this is a cardiac muscle, it involuntary. While skeletal muscles are attached to bones.
Echinoderms, they are among the most common invertebrate animals in the marine environment of virtually any part of the world, among them we can find species such as sea cucumber , salmon and cod fish, they have chamois cloth like outer layer, then we have the Crinoids, another example of marine species with feather, popularly they are called sea lilies and feathery stars, they have a solid calcite skeleton; they were so abundant in the paleozoic seas that their remains formed large limestone thicknesses.
Answer:
Ribosomes are the site where proteins are produced. Amino acids are coded for by triplet bases in RNA called codons
Explanation: