Each time an organism is consumed, 90% of the energy is lost as heat. that leaves only 10% for the carnivore
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.
B. xylem and phloem. they transport water and nutrients throughout the plant
A chromatid has something to do with chromosome
Answer:
Tundra
Explanation:
Permafrost is a layer just beneath the surface of the ground that never thaws.