What body system functions in secreting chemicals that act as relatively slow-acting messengers between body parts? select one: a. the nervous system b. the endocrine system c. the lymphatic system d. the cardiovascular system e. the digestive system?

What type of specimens where you able to see under each of the microscopes in the microscope activity

The table lists the observations students made about four specimens under a microscope. based on these observations, what specimens did the students examine? animal plant virus prokaryote cell membrane present ribosomes present lysosomes present nuclear membrane present cell wall present ribosomes present nuclear membrane absent cell wall present ribosomes present nucleus present large vacuole present reproduces inside of a cell nucleus absent rna present 2019 edmentum all rights reserved intl

What are 3 reasons that natural selection occurs