Observation designed to minimize the effects of variables other than the independent variable.
Answer:
A decomposer is found at the end of a food chain.
<span>Every living thing needs food. Whether it makes it, or gets it from another living thing by eating that living thing. No living thing can survive without a food source. Food is where you get the energy for life.</span>
Answer:
Millions of years ago, the Appalachians were taller than the Himalayas! Millions of years of erosion, however, have taken their toll. ... The crust that is now the Appalachians began folding over 300 million years ago, when the North American and African continental plates collided.
it would be C because kingdom is animalia, phylum is chordata, class is mammalia and order is carnivora and humans and tigers are both carnivors