Answer:
Bacteria
Explanation:
Their cell wall is made of this and they are also unicellular. They eat other things and cannot make their own food
Answer:
Vertebrates are animals with backbone.
Invertebrates are animals without backbone.
fossil b belongs to the same period as trilobite because its on the same layer as the rhombus with a diagonal, which is fossil B
All of them or ....
what question?
A. enzymes
Most chemical reaction in the metabolic pathways need to interact with an enzyme in order to occur.
