A nitrogenous base, or nitrogen-containing base, is an organic molecule with a nitrogen atom that has the chemical properties of a base. The main biological function of a nitrogenous base is to bond nucleic acids together. A nitrogenous base owes its basic properties to the lone pair of electrons of a nitrogen atom.
Answer:
D. organ systems
Explanation:
Organs and tissues that perform the same function are called organ systems
Answer:
Reflex arcs
Sensory neuron sends electrical impulses to a relay neuron, which is located in the spinal cord of the CNS. Relay neurons connect sensory neurons to motor neurons. Motor neuron sends electrical impulses to an effector. Effector produces a response (muscle contracts to move hand away).
Answer:
Yes,
Explanation:
Global issue such as global warming can alter the temperatures, cause seasonal precipitation, cause elevated amounts of carbon dioxide and can cause various ecological disturbances such as flooding which prevents the secondary succession to progress.
For more explanation visit
https://19january2017snapshot.epa.gov/climate-impacts/climate-impacts-forests_.html