Answer:
D) Can simple organic molecules form spontaneously in an oxygen-free atmosphere?
Explanation:
Answer:
Throughout their life cycles, frogs have an important place in the food chain as both predators and prey. As tadpoles, they eat algae, helping regulate blooms and reducing the chances of algal contamination. Frogs are an important source of food for a variety of animals, including birds, fish, monkeys and snakes.
Explanation:
The phloem transports sucrose that is converted to starch elsewhere.
If a white person had children with a black person, not all of their children would be black, but majority of them would. There is a 75% chance each time the parents have an offspring that the child will be black. It would not matter if the black person was the mother or the father, because either way they are the dominant trait, and according to the punnet square, that is all that matters and that will effect the outcome.
Fecal coliform. Fecal matter is an organic material which can be introduced to bodies of water by animals in lakes and streams. Organic material actually lowers dissolved oxygen in water.