The preoperational stage is the second stage in Piaget's
theory of cognitive development. Children begin to take part in symbolic play and
learn to manipulate symbols throughout this stage. This stage begins around age
2, as children start to talk, and lasts until around age 7. The answer is that Piaget’s
explain that Preschool children's tendency headed for centration avoids them
from focusing on other applicable features of a situation.
Answer:
Polysaccharides are an important class of biological polymers. Their function in living organisms is usually performed one of two functions: energy storage or structural support. Starch and glycogen are highly compact polymers that are used for energy storage.
Explanation:
Hey there!
I think you mean the Finches. Each Finch has a beak that is very similar to other beaks on the other islands. This shows that they are related. Their beaks change so that they can live better in their environment. They all had a common ancestor.
I hope this helps!
Sea floor spreading occurs at divergent plate boundaries where the seafloor is being pulled apart by convection currents in the mantle. As the plate pull apart magma up wells and new crust is being formed. This process on the sea floor creates a habitat for exotic sea creatures such as tube worms. The food chain in this region of the planet starts with bacteria that metabolizes sulfur coming from hydro-thermal vents along the spreading ridge. <span />