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- Organisms living at the bottom of oceans, rivers, and lakes are all called benthos. True FalseWhat is the symmetry of this organism? What is the life style of the organism (clam) in the photo? Benthic, epifaunal Pelagic, nektonic Pelagic, planktonic Benthic, infaunal Vagrant SessileOrganisms that live on the surface of rocky shores are called epifauna biomass Rocky Balboa rocks
- Sharks and bony fish are classified within the phytoplankton because they are often found in the well- surface areas of the ocean .Zones of marine organisms can usually be seen along rocky shores. How might tidal patterns result in this sort of differential growth?More about zonation Click on the question marks to change them to a check mark for each statement that is TRUE or a blank box if the statement is NOT TRUE about vertical zonation. Kelps and corraline algae can be found along the lower intertidal and subtidal zones. ? The lower intertidal is dominated by seaweeds. The first stage of ecological succession in the rocky intertidal is the establishment of bacteria and microscopic algae. Green, brown and red algae on the upper intertidal are able to fix nitrogen from the air. The effect of a keystone species can easily be judged by how abundant it is.
- Sharks and bony fish are classified within the phytoplankton because they are often found in the well-lit surface areas of the ocean. True FalseWhat is the best way to categorize the organism below? abyssal benthos pelagic nektonWhat is the lifestyle of the organism (ammonite) in the photo? (Select all that apply)(Hint: Ammonites are cephalopods which have a structure called a siphuncle which is capable of regulating buoyancy of their shell by removing water from or flooding chambers in the shell. Ammonites also had tentacles like modern squid.) Pelagic, planktonic Vagrant Sessile Benthic, infaunal Pelagic, nektonic Benthic, epifaunal
- What animals are Omnivores in the Epipelagic ZoneWhat is the life style of the organism (crab) in the previous photo? (Select all that apply) Sessile Benthic, infaunal Vagrant Benthic, epifaunal Pelagic, planktonic Pelagic, nektonicWhat percentage of known marine species are benthic? 22% 45% 75% 98% ocorchores are called