I have no idea hopefully someone can help you with this
Autographs are organisms that make their own food/energy. The only example I can think of (and the only one I think exists) is plants. They make glucose from the sun and other stuff
Heterotrophs are organisms that needs to get its energy from other sources. You and me are heterotrophs (well unless you are a plant lol). We have to eat food to get energy to survive.
Hope this helped!!!
Trace fossil because a trace fossil is a fossil of a footprint, trail, burrow, or other trace of an animal rather than of the animal itself.
About 93 million miles or 150 km or 8 light minutes (don't know what that means)
Answer:
medium. (Science: cell biology) shorthand for culture medium or growth medium, the nutrient solution in which cells or organs are grown.
Explanation the top one is math mines biology
