Answer:
Primary succession is the orderly and predictable series of events through which a stable ecosystem forms in a previously uninhabited region. Primary succession occurs in regions characterized by the absence of soil and living organisms.
C. <span>Scientific ideas change over time as new information is discovered.</span>
Answer:
Explanation:
5. "Although there is some disagreement, several types of marine ecosystems are largely agreed on: estuaries, salt marshes, mangrove forests, coral reefs, the open ocean, and the deep-sea ocean. An estuary is a coastal zone where oceans meets rivers."
6. "the ecosystem is changing making it easier for people to live"
7. "A positive effect would be the organism getting the right amount of nutrients if the ecosystem went fast everything would happen so fast that the ecosystem won't turn out right and the fast change with case the wrong amount of nutrients from the change happening so fast."
Answer: DNA changes in one particular gene
Explanation:
Single gene disorders are caused by DNA changes in one particular gene, and often have predictable inheritance patterns. Over 10,000 human disorders are caused by a change, known as a mutation, in a single gene. These are known as single gene disorders.
Sperm will have 23 chromosomes while the egg has 23 chromosomes
