Biology Final Part I
These are the first 40 questions
- 1.The lower limit of the intertidal zone is the:
- A.
Average high tide
- B.
Average middle tide
- C.
Lowest tide
- 2.The particular characteristic most widely used in classifying intertidal communities:
- A.
Types of tides
- B.
Types of substrates
- C.
Types of seaweeds
- 3.Regarding the origin of rocky coasts, it is known that this type of shore is present along:
- A.
Coasts being affected by ice sheets
- B.
Geologically old coasts being covered by sediments
- C.
Geologically young coasts
- 4.The sessile epifauna consists of:
- A.
Attached seaweeds
- B.
Attached animals
- C.
Pelagic organisms
- 5.Many rocky-shore animals cope with desiccation by:
- A.
Moving up the intertidal
- B.
Crowding in areas that are always moist
- C.
Moving out of the tide pools
- 6.Which type of shell would be most suited to live on a rocky shore that is exposed at a low tide?
- A.
Black, smooth
- B.
White, rigid
- C.
Black, rigid
- 7.Most sessile animals living on rocky shores are:
- A.
Filter feeders
- B.
Carnivores
- C.
Deposit feeders
- 8.One of these organisms is expected to be relatively rare on a rocky shore:
- A.
Filter feeder
- B.
Grazer
- C.
Deposit feeder
- 9.If a rocky shore highly exposed to wave action is compared to a similar rocky shore that is a lot less exposed to wave action, we should expect that barnacles living on the more exposed shore show a:
- A.
Wider vertical distribution
- B.
Narrower vertical distribution
- C.
Narrower tolerance to temperature
- 10.The reason why rocky shores have few deposit feeders:
- A.
Abundant detritus
- B.
High wave action
- C.
High salinity
- 11.Refraction causes waves to:
- A.
Slow down
- B.
Approach the shore at an angle
- C.
Become more parallel to the shore
- 12.One of these is more important than others as a limiting resource in intertidal communities:
- A.
Space
- B.
Food
- C.
Light
- 13.Vertical zonation on rocky intertidal communities is typically determined by:
- A.
Wave action
- B.
Exposure
- C.
Predation
- 14.The upper rocky limit of rocky intertidal communities is typically determined by:
- A.
Biological factors only
- B.
Physical factors only
- C.
Neither
- 15.One organism typical of the upper intertidal on rocky shores:
- A.
Mussels
- B.
Barnacles
- C.
Periwinkles
- 16.The middle intertidal is characterized by:
- A.
Exposure by splash and spray
- B.
Exposure and immersion on a regular basis
- C.
Long exposures to air
- 17.An example of a keystone predator on rocky shores:
- A.
Periwinkles
- B.
Limpets
- C.
Sea stars
- 18.Predation by sea stars on rocky shores ultimately results in:
- A.
Fewer species
- B.
More species
- C.
The same amount of species
- 19.Ecological succession ultimately results in:
- A.
A climax community
- B.
Keystone predation
- C.
Vertical zonation
- 20.In addition to space, another factor that is typically limiting in the lower intertidal along rocky shores is:
- A.
Salinity
- B.
Grazing
- C.
Temperature
- 21.One of these organismsis typically a very rare component of soft-bottom intertidal communities:
- A.
Burrowing organisms
- B.
Seaweeds
- C.
Infauna
- 22.Most animals living on sandy beaches are included among the:
- A.
Infauna
- B.
Deposit feeders
- C.
Epifauna
- 23.Fine sediments are a characteristic of:
- A.
Shores exposed to wave action
- B.
Rocky shores
- C.
Calm, less exposed shores
- 24.In terms of oxygen, the interstitial water in muddy bottoms:
- A.
Is deficient in it
- B.
Has plenty
- C.
Is deficient only during the day
- 25.The main source of food in muddy bottom intertidal communities:
- A.
Seaweeds
- B.
Detritus
- C.
Large prey
Questions: 9 | Attempts: 46662 | Last updated: Oct 6, 2020
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Sample QuestionA Cell builds it's proteins from the Instructions encoded inits _________?
Questions: 28 | Attempts: 13792 | Last updated: May 12, 2021
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Sample QuestionII-3 in the pedigree below has two brothers with hemophilia A, a bleeding disorder that is inherited as an X‑linked recessive trait. What is the risk of hemophilia for her children?
Questions: 5 | Attempts: 14098 | Last updated: Jun 12, 2020
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Sample QuestionMendel observed 7 pairs of contrasting characters in Pisum sativum. One of the following is not a part of that. Find out.
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