Answer:
Origin. 20 out of the 36 body plans originated in the Cambrian period, in the "Cambrian explosion", However, complete body plans of many phyla emerged much later, in the Palaeozoic or beyond.
Answer: Aquatic fossils would be found near the bottom of the core sampleRock cores provide valuable sources of information to geologists because it presents very accurate measurements of porosity of the rock. If a geologist obtained the rock core from a hillside and found aquatic fossils near the bottom of the core sample, he can conclude that this hillside was once covered by a body of water.
Answer:
because it is very small in size
Answer:
amygdala?
Explanation:
The amygdala (Latin, corpus amygdaloideum) is an almond-shape set of neurons located deep in the brain's medial temporal lobe. Shown to play a key role in the processsing of emotions, the amygdala forms part of the limbic system.
The Answer is The Arteries