1. The lower limit of the intertidal zone is the __________.A. average high tide levelB. average middle tide levelC. lowest low tide levelD. lowest edge of the rocky substrateE. Namong the above options are correct

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2. Regarding the origin of rocky shores, it is known that this kind of shore is existing alengthy __________.A. geologically young coastsB. shores with high buildup of sedimentsC. coastlines along the mouth of big riversD. geologically old shores being spanned by sedimentsE. coasts being affected by ice sheets
3. Which of the complying with tactics is NOT offered to protect against desiccation in the intertidal?A. Cshedding shellsB. Crowding by organisms in areas that are always moistC. Burrowing into substrateD. MucusE. Moving out of tide pools
4. Many sessile animals living on rocky shores are __________.A. deposit feedersB. carnivoresC. detritus feedersD. filter feedersE. grazers
5. If a rocky shore extremely exposed to wave activity is compared to a comparable rocky shore that is much lessexposed to wave activity, we need to expect that barnacles living on the even more exposed shore would exhibita __________.A. broader vertical distributionB. narrower tolerance to salinityC. narrower tolerance to temperatureD. narrower vertical distributionE. greater resistance to predators
6. Byssal threads are supplied by mussels to cope through which of the following?A. DesiccationB. Wave shockC. Restricted feedingD. Salinity changesE. Temperature changes
7. Vertical zocountry on rocky shores is mainly the result of distinctions in tolerances to __________.A. wave actionPage 2 of 3B. exposureC. predationD. lightE. salinity
8. Which of the following organisms would certainly be typical of the upper intertidal on rocky shores?A. Bottom fishesB. BarnaclesC. SpongesD. Sea anemonesE. Periwinkles
9. Intertidal organisms from exposed locations sometimes have thicker shells than their countercomponents from lessexposed locations. This is thshould be an adaptation to __________.A. desiccationB. minimal feedingC. wave shockD. salinity changesE. temperature changes
10. Ecological succession inevitably results in __________.A. a climax communityB. a pioneering communityC. competitive exclusionD. keyrock predationE. vertical zonation
11. Which one of these organisms is typically a very rare component of soft-bottom intertidalcommunities?A. Burrowing organismsB. Detritus feedersC. SeaweedsD. InfaunaE. Deposit feeders
12. Fine sediments are characteristic of __________.A. shores exposed to wave actionB. rocky shoresC. locations via wide temperature fluctuationsD. calm, less exposed shoresE. locations that suffer considerable water flow
13. The primary resource of food in muddy-bottom intertidal areas is __________.A. seaweedB. detritusC. planktonD. huge preyE. epifauna
14. On Atlantic shores, the dog whelk (Nucellalapillus) has two shade creates, white-shelled and brownshelled.Survival of one create over the various other form in a region appears to be pertained to __________.Page 3 of 3A. temperatureB. SalinityC. substrate typeD. prey availabilityE. predators
15. Which of these organisms would certainly be many most likely found in the upper intertidal zone of a rockyshoreline?A. MusselsB. Large foliose seaweedsC. Encrusting algaeD. BarnaclesE. Irish moss
16. The number of species in a given area can be boosted by __________.A. disturbanceB. predationC. competitive exclusionD. All of the over answers are correct.E. disturbance and also predation only
17. In a soft-bottomed intertidal community, oxygen would be a lot of abundant for meiofauna in which typeof bottom?A. GravelB. SandC. SiltD. ClayE. Mud
18. Which of these organisms inactions the location at or above the high tide line on a sandy beach?A. Sea cucumberB. Blue crabC. Gorganize crabD. Moon snailE. Mussel

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