Answer:
C. Phylogenetic niche conservatism
Explanation:
Based on the information provided within the question it can be said that the term that best explains these "living fossils" is Phylogenetic niche conservatism. This refers to the tendency that a specific species has for retaining certain traits from the ancestors. Which explains why the living "cycads" are nearly identical to fossils.
Answer:
Earth's upper atmosphere controls the radiation that escapes to space.
(please give brainliest)
Latitude and ocean currents are the ones i know.
Eutrophication can result from excess nutrients pollution in bodies of water
