<span>D) They are nonlobed, simple leaves and are attached oppositely on the branch.</span>
Answer: The correct answer is C: decreased use of fossil fuels.
Explanation: The burning of fossil fuels causes the release of CO2 and other harmful substances into the atmosphere. Fossil fuels are fuels that are burnt by power plants and such to generate power.
Endocrine signaling is hormone based signaling that travels through the blood stream. Many of the sensors and integrating sensors of the endocrine system are located in the brain. The brain barrier contributes to endocrine signalling, such that the brain barrier does not factor in with endocrine signalling. The answer is A
Answer:
Mutations can occur in either cell type. If a gene is altered in a germ cell, the mutation is termed a germinal mutation. Because germ cells give rise to gametes, some gamete s will carry the mutation and it will be passed on to the next generation when the individual successfully mates