Answer:
evolution of bidepadlism,
increase in enamel thickness,
regular use of stone tools, enlargement of brain to around 1,450 cc
Explanation:
Answer: The food chain
Explanation: It is important to have a large number of producers and herbivores in an ecosystem because of the food chain. Without producers the herbivores would have no food. and without the herbivors the carnivores would have no food.
Answer:
Yes, we are born, reproduce, then die. Everything has that life cycle
Explanation:
Answer:
Ohm's law
Explanation:
Ohm's law states that the potential difference across the ends of the conductor is directly proportional to the current passing through it.
∴V∝I
Answer:
Cell walls
Explanation:
virtually all bacteria contain peptidoglycan in their cell walls; however, archaea and eukaryotes lack peptidoglycan. Various types of cell walls exist in the archaea. Therefore, the absence or presence of peptidoglycan is a distinguishing feature between the archaea and bacteria