<h3><u>Answer;</u></h3>
d. before the Neogene era.
<h3><u>Explanation;</u></h3>
- <em><u>The Silurian Period was a third period of the Paleozoic Era that occurred from 443 million to 416 million years ago. This period occurred after the Ordovician Period and was then followed by the Devonian Period.</u></em>
- Silurian period is the period that many biologically significant events took place. There was a widespread radiations of crinoids, continued priliferation and expansion of the brachiopods and also the oldest known fossils of coral reefs.
Progesterone in the blood is highest during the luteal phase.
Answer:
Additionally, fish, aquatic plants, and other organisms living in and around the reef would be considered biotic factors. Abiotic factors of a coral reef would include the water surrounding the reef, rocks, pebbles, or sand, and the calcium carbonate "skeleton" of the coral.
Explanation:
Te 2 species don't interbreed in view of temporal isolation. Transient detachment signifies 'disengaged in time,' so this is an instrument that keeps animal groups from mating since they breed at various circumstances. These distinctions can be a season of the day, season, or even unique years.
answer:
Where would you expect to find the kelp forest, a type of algae, pictured here and why? Algae live only in the epipelagic zone because it is the only zone with enough light for photosynthesis. During an El Niño year, there is increased precipitation in the Southern United States, but the north is warmer and dry