A first-hand source such as an experiment is called a primary source.
A primary source is where you can share new information or report on what you have discovered. Some primary sources are research data, interviews, audio recordings, and autobiographies.
A secondary source is where you describe and discuss about the primary sources. They are used to collect and gather primary source information. Some secondary sources are textbooks, review articles, and scholarly books.
A tertiary source is a source about summaries. A tertiary source can be used to look up information or get an overview about what it is you are wanting to know. Some tertiary sources are dictionaries, handbooks, encyclopedias, Wikipedia, and guidebooks.
Answer:
Destrucción de hábitats naturales, tanto terrestres como marinos y otros acuáticos. Destrucción de ecosistemas de todo tipo. Extinción de especies animales y vegetales. Interrupción de las redes y relaciones tróficas.
Explanation:
The mutation will become more common in offspring and increase the genetic variability in the gene pool.
Mitochondria and chloroplasts both have prokaryotic ribosomes.
The correct answers are "sometimes, no change or reduced".
If our sensory systems are exposed to the same exact stimulus repeatedly, sometimes it causes our sensory systems to react and sometimes it has no effect. In some cases, it may have a reduction of sensitivity, but sometimes it has no effect to our sensory systems.
