Answer:
The first layer is the crust, a skin of rock covering the planet. The core that Lehman had found was the Earth's inner core. The core that Richard Oldem had discovered turned out to be the Earth's outer core.
Explanation:
That statement is true because The amount of energy at each trophic level decreases as it moves through an ecosystem at least is 10% of the energy at any traffic levels transferred to the next level the rest is lost largely through the metabolic process as heat.
Answer:
the deliberate modification of the characteristics of an organism by manipulating its genetic material.
Explanation:
I believe it's the mitochondrion.