Answer:
B. The nervous system signals the muscles of the muscular system to contract and warm the body.
Explanation:
Answer: USDA registration for research institute.
Explanation:
United States Department of Agriculture ( USDA) is a federal agency in the United States which was founded by Abraham Lincoln. This agency plays a major role in the regulation and maintenance of farming, ranching, and forestry industries, as well as regulating aspects of food quality & safety. The agencies established under the USDA includes:
--> Agricultural research services
--> Farm service agency and
--> Animal and Plant health inspection service.
Through the Animal and Plant inspection services, the USDA administers the Animal Welfare Act (AWA) which purposefully excluded laboratory strains of rats and mice because they are breed specifically for research purposes.
Answer:
Biologists use the scientific process to ask and answer questions about the living world. ... If evidence for a question cannot be gathered, that question cannot be answered. Some philosophical questions are not within the boundaries of science
Answer:There are so many different kinds of dogs because we've been breeding different kinds overtime.
Explanation:
There is so much diversity in dogs intentionally. Dogs have been a companion of humans for hundreds, maybe thousands of years. We learnt to breed different kinds for different purposes, hence the diversity of dogs.
