Answer:
The correct answer is - all of the answer choices.
Explanation:
In an ecosystem, there are various organisms that are grouped in different trophic levels and groups such as producers, consumers, scavengers or decomposers based on their function and position on the food and energy chain.
The food energy is created by producers and is passed to consumers, scavengers, and decomposers of all the organisms. Energy moves in only one direction in any ecosystem. Energy is passed from producers to one trophic level or energy level, to organisms in the next trophic level.
Answer:Nicholas Steno first formulated the principles that allow scientists to determine the relative ages of rocks in the 17th century. Steno stated that sedimentary rocks are formed in continuous, horizontal layers, with younger layers on top of older layers.
Explanation:
<span>The ruler Sargon of Akkad Semitic-speaking Akkadian Empire, united the geographic areas of northern and southern Mesopotamia. His empire included most of the regions of Mesopotamia. He conquesed Mesopotamia and added it to his reign. </span>
Topographical map has markings to show points of elevation like hills and mountains.