Biology Final Part I

40 Questions | By Jsinfonian | Last updated: Mar 16, 2022 | Total Attempts: 194

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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

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