Benthic - Study guides, Class notes & Summaries

At what levels of life are focused on while studying ecology?-organismal -population -community -ecosystem What is the difference between a biotic and abiotic factor in the environment?-Biotic interactions are interactions among living things -Abiotic interactions are between organisms and their nonliving environment There are two major classes of aquatic biomes that are divided based on their salt content. What are they?freshwater biome -salt concentration of less than 1% -lakes, ...

What is the name of the process in which the ocean floor is mapped? correct answers Bathymetry Name the 4 parts of the continental margin on the figure below. correct answers A: Shelf B: Shelf Break C: Slope D: Rise What is the deepest part of the ocean? And how deep is it? correct answers The Mariana Trench in the Pacific Ocean roughly 36,000 feet under sea line. Describe how echo sounders measure the depth of the seafloor. correct answers An echo sounder is a sonar device that send...

Genus Triticites Genus Nummulites Brainpower Read More Previous Play Next Rewind 10 seconds Move forward 10 seconds Unmute 0:00 / 0:00 Full screen Genus Astraeospongia (calcareous sponge) Genus Hydnoceras (glass sponge) Genus Archimedes Genus Rhombopora Order Dendroidea (benthic graptolites) Order Graptoloidea (planktic graptolites) Genus Favosites Genus Halysites Genus Heliophyllum (horn coral) Genus Hexa...

Geology 2000 Test Questions and Answers A formation is by definition the same age everywhere - Answer-False An outcrop reveals flat-lying sediments on top of an erosion surface and tilted sedimentary layers beneath. This is an example of a(n): - Answer-angular unconformity Which of the following is necessary for fossilization to occur? - Answer-possession of hard parts and rapid burial Which of these is the best definition of 'fossil'? - Answer-any trace of pre-existing life Name...

1. People who believe that wild species have an inherent right to exist generally believe that species have correct answers intrinsic value. 2. The heat island effect can be counteracted by: I. planting more vegetation II. establishing higher energy efficiency standards III. painting roofs and other surfaces lighter colors correct answers I, II and III 3. A one-hectare pond is sampled in early September. The sample yields 1 small catfish as well as 17 benthic (bottom-dwelling) invertebr...

big bang correct answers an explosion of matter origination from a concentrated point in space. thought to have occurred 13.7 billion years ago iron catastrophe correct answers occurred 4 billion years ago, earth began to melt, temperatures reaching 1538 C. converted parts mass to liquid forcing denser elements to sink (iron and nickel) and less dense elements (silicon, oxygen, carbon, magnesium) to rise towards the earths surface benthic correct answers organisms that live on the bottom o...

Ecology - Answer The study of how living things interact with each other and their environment - Environments are changing more rapidly now than they have at any time in the past - Efforts to maintain human health and welfare depend on our ability to cope with these environmental changes - Most synthetic field in biology Primary goal of Ecology - Answer To understand the distribution and abundance of organisms 4 Main Levels of Ecology - Answer 1) Organisms 2) Populations 3) Commun...

What do all fish have in common and what did primitive fish lack? correct answers All fish have vertebrates and primitive fish lacked paired fins and jaws What are the two types of jawless fish and what do they have in common? correct answers hagfish and lampreys both lack jaws, paired appendages, scales and have cartilage instead of bone Hagfish correct answers are bottom dwelling has two dental plates with horny cusps with a single fang for grabbing prey eat live prey and scavenge pro...

Mollusca, Arthropoda, Chordata, Echinodermata, Cnidaria, Porifera correct answers Phyla found in the rocky intertidal By size: macrofauna are larger than 1mm and meifauna are less than 1mm correct answers How do scientists define macrofauna and meiofauna? Chlorophyta (green), rhodophyta (reds), phaeophyta (browns - fucoids and kelps) correct answers The 3 different divisions of macroalgae found on rocky shores Primary producers (micro and macroalgae), grazers (limpets, periwinkles, urch...

Marine Biology exam 3 Questions and Answers 100% Pass Benthic autotrophs - Correct Answer️️ -seaweeds, marine plants like sea grass Seaweed characteristics - Correct Answer️️ -most are benthic, distribution governed by light and temperature, most are annuals, greater diversity in the tropic Seaweed morphology - Correct Answer️️ -body called thallus, roots called holdfast, leaf-like structures called blades, possesses an air bladder to keep blades closer to water surface Seawe...