Answer:
The answer is hormones.
Explanation:
Two of the main systems that control almost every action in our body are our nervous system and endocrine system which have to have inner communications and communication with our brain.
As stated in the question, nervous system uses neurotransmitters for communication which are chemicals released by neurons to generate electrical signals that make the communication possible.
The main mean of communication that our endocrine system uses is substances that are called "Hormones" which are produced by certain glands and organs in our body and are usually released into our bloodstream to effect the functions of other organs and our body. Hormones can be used for both communication of the endocrine system itself and for the communication of other organs and our brain.
I hope this answer helps.
What is Mutualism ? Mutualism or symbiosis mean when two or more animal benefit to each other.like america red tail eagle and eagle, and the zebra and Oxpeckers eat ticks and other parasites that live on their skin of the zebra and the zebra will help the Oxpeckers by walking long place.
What is predation? predation or parasitic mean when animal who is prey eat not prey.or predation is when a animal hunt the other animal for food (prey).example like the lion eat the deer.
What is Competition? Competition or commensalism is when two animal fight for the same food like chipmunks vs squirrel, because the chipmunks like to eat nut and the squirrel eat nut they fight for the same resource.
Answer:
To clean groundwater you must:
Explanation:
Eliminate the pollution source: An underground tank must be pumped dry and then dug out from the ground. A factory must be required to stop releasing toxic chemicals. Farms must be more careful about the chemicals they put on their fields.
Monitor the extent of the pollutant: Scientists test water in wells. Sometimes they drill wells to test water. They learn how the groundwater is flowing: how fast and in what direction. They study the contaminants in the groundwater. Then they determine where the contaminant plume is going.
Answer: They lead to increased levels of carbon dioxide and other greenhouse gases in the atmosphere which causes the greenhouse effect.
Renewable resource: Sunlight, water, wind,
Norenewable: coal, natural gas, oil
Since fossil fuels are located all over the world, it makes it much easier to create electricity from them than things that are hard to come by.
Explanation:
Hope this helps
Answer: It is known as a double helix
Explanation:
double helix