Answer:
The energy in most ecosystems flows through the food chain. In physical ecosystems and most marine ecosystems, the energy flow starts in green plants that harvest some of the sun’s energy. The plants are then consumed by animals, bacteria, and other creatures, which are themselves eaten by other creatures. At each step in the food chain, energy is lost as heat.
Explanation:
DNA is a long molecule that consists of two strands of nucleotides twisted together in a long spiral called a double helix<span>. 1. Each </span>nucleotide<span> contains a sugar, a phosphate, and one of the four </span>bases<span>: (A = adenine, ___ = cytosine, ___ = guanine, or ___ = thymine). </span>2<span>.</span>
Answer:
A Buccinator. I hope this helps.
Explanation:
Answer:
The atomic number = number of protons = number of electrons.
The atomic mass - the atomic number = number of neutrons.
Protons - 7
Electrons - 7
Neutrons - 9
Element - Nitrogen
Explanation:
