C. by observing them in their habitats
Ex: The Galapagos Islands. Darwin went their to study the flora and fauna in their natural habitat.
Metabolic equilibrium actively maintained by several complex biological mechanism nervous system
Answer:
A blog cited as a source
Explanation:
Blogs often contain opinions rather than facts
Answer: Talc is a nonrenewable resource.
Explanation:
Talc is a mineral, which counts as a nonrenewable resource. Minerals, fossil fuels, and ores are nonrenewable resources because they do not regenerate or renew themselves at a quick enough rate and often take long periods of time to replenish.
Answer:
In everyday language a theory means a hunch or speculation. Not so in science. In science, the word theory refers to a comprehensive explanation of an important feature of nature supported by facts gathered over time. Theories also allow scientists to make predictions about as yet unobserved phenomena".
Explanation: