C.The unique role the species plays in an ecosystem .
Answer:
Population of cactus like plants which grows in the hot and dry weather of deserts,begins the flow of energy in the desert food web. Because plants are the only producer of energy in every food web.
Explanation:
A. there is a change in Genetic frequency
Answer:
Jessica melts 200 grams of dark chocolate that contains 60% cocoa and mixes it with 200 grams of milk chocolate that contains 30% cocoa
What is the concentration of cocoa in the resulting mixture
Explanation:
Answer:Almost 2/3 of our body store of iron is found in the hemoglobin in our blood
Explanation: