Answer:
there are 4: paracrine signaling, autocrine signaling, endocrine signaling, and synaptic signaling
Explanation:
paracrine:cells that are near one another communicate through the release of chemical messengers
autocrine: a cell signals to itself, releasing a ligand that binds to receptors on its own surface
endocrine:When cells need to transmit signals over long distances, they often use the circulatory system as a distribution network for the messages they send.
synaptic: nerve cells transmit signals. The junction between two nerve cells where signal transmission occurs.
Buddhism was the first of the great missionary faiths to take advantage of the mobility provided by the Silk Road to extend its reach far beyond its native ground. From its origins in north eastern India, Buddhism had already spread into the lands that are now Pakistan and Afghanistan by the 1st century BCE.
Answer:
hope you like it
Explanation:
An abiotic factor is a non-living part of an ecosystem that shapes its environment. In a terrestrial ecosystem, examples might include temperature, light, and water. In a marine ecosystem, abiotic factors would include salinity and ocean currents. Abiotic and biotic factors work together to create a unique ecosystem.
<span> modifying, sorting, and packaging proteins prior to transport. </span>
B. Because the environment can not supply for the food and caring of the animal species that is growing larger.