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BIOL 2903 > Lecture 20 > Flashcards

Lecture 20 Flashcards

1
Q

Pitcher’s pine needles

A

Long, grouped in 3s

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2
Q

This fungus grows on dead trees and releases spores to reproduce:

A

Bracket fungus

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3
Q

What are ON’s two native cat species and where are they found?

A
  • Lynx (boreal forest)

- Bobcats (GLSL)

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4
Q

Where is Prince Edward County (PEC) located? Is there a lot of limestone in the area?

A

Off Lake Ontario, yes

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5
Q

Out of these 3 ducks found in PEC, which one does not eat fish?

  • Common merganser
  • Scaup
  • Red-breasted merganser
A

Scaup

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6
Q

These two invasive mussel species have eradicated native species through competition:

A

Zebra/quagga mussels

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7
Q

T/F: the presence of mussels in Lake Ontario hasn’t affected the nesting patterns of white-winged scoters

A

F:

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8
Q

Prince Edward Point

A

National Wildlife Area in PEC, in the east end - no hunting/camping allowed

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9
Q

Why do warblers come to Prince Edward Point?

A

Midges form mating swarms around Lake Ontario - source of food

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10
Q

How could decreased water quality in Lake Ontario negatively impact songbird populations?

A

Fewer midges

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11
Q

What is the name of the area that includes a banding station on Prince Edward Point?

A

Prince Edward Point Bird Observatory

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12
Q

This provincial park in the west of PEC is known for its sand dunes, left by the glacial Lake Iroquois:

A

Sandbanks Prov. Park

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13
Q

What is a panne? What organisms can be found in them?

A

Shallow pool of freshwater between sand dunes

  • Amphibians (e.g. American Toads)
  • Dragonflies, damselflies
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14
Q

This tree, often found in the Carolinian, is also found in Sandbanks Prov. Park:

A

Cottonwood

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15
Q

Why does the west side of PEC have sand dunes, rather than the east?

A

Water currents; flow from Lake Ontario to the Atlantic via the St. Lawrence

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16
Q

Why is Point Pelee National Park slowly being eroded?

A

Building piers along Lake Ontario disrupts water flow

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17
Q

Name two ducks that can be found in Presqu’ile Prov. Park:

A
  • Red-breasted Merganser

- Long-tailed Duck

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18
Q

This type of island is characteristic of Presqu’ile Prov. Park:

A

Tombolo - joined to the mainland by the deposition of sand

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19
Q

How did sand collect between Presqu’ile Island and the mainland?

A

Wind/water currents caused sand to connect the island and the mainland

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20
Q

Why can alvar species (e.g. Fringed Gentian) be found on Presqu’ile?

A

It’s located on limestone

21
Q

Why does Presqu’ile lack a shrub layer, despite having a lot of mature forest?

22
Q

Deer eat the low-hanging leaves of this tree in Presqu’ile:

A

Eastern Red Cedar

23
Q

Marsh birds in Presqu’ile (5):

A
  • Marsh wren
  • Swamp sparrow
  • Virginia Rail
  • Least Bittern
  • Great Egret
24
Q

This invasive bird species is a filter feeder and drives other birds away from marshes:

25
T/F: Duck hunting is forbidden in Presqu'ile.
False
26
Why is Lake Ontario/Presqu'ile important for migrating birds?
They can land/feed before continuing north
27
Piping plovers used to nest throughout the Great Lakes. Why did the population crash? What effort is being made to help the population recover?
Development of beaches Protection programs (e.g. protection of nests in Presqu'ile)
28
Why does western Presqu'ile have rich feeding sites for birds?
- Waves sort/deposit organic material along shore - Algae grows on it - Invertebrates that eat algae come to shore
29
A large colony of gulls (Ring-billed, Herring) can be found at this observation area in Presqu'ile:
Owen Point
30
Birds nesting on High Bluff Island (3):
- Gulls - Herons - double-breasted cormorants
31
T/F: Cormorants are to blame for the decrease in commercial fish populations
F: they mainly eat non-native fish
32
What is one way in which large cormorant populations can negatively impact the environment?
Their waste can kill trees
33
How do birds in Presqu'ile end up with botulism?
- Increased water temp (due to climate change) is more conducive to spread of bacteria - Birds eat zebra/quagga mussels with high concentration of bacteria; the mussels get it by filter feeding
34
What is one indication that a bird may have died of botulism?
Limp neck
35
This island near Kingston has a lot of bays that attract migrating waterfowl
Wolfe Island
36
Name two grasses that colonize/stabilize sand dunes
- American Beach Grass | - Beach Pea
37
Which one of American Dune Grass and American Beach Grass is found on Wolfe Island? Why isn't the other one found there?
Beach Grass- too warm for Dune Grass
38
Big Sandy Bay Conservation Area is found on the west end of Wolfe Island. What does the presence of sand dunes in this area indicate (2)?
- Direction of current | - Former shoreline of Lake Iroquois
39
Describe the land of Wolfe Island.
- Flat, limestone bedrock | - Lots of land developed for agriculture
40
T/F: birds feed in agricultural lands on Wolfe Island
True
41
This crepuscular owl is found on Wolfe Island
Short-eared Owl
42
Wolfe Island has >100 of these man-made structures, which pose a danger to birds and bats
Wind turbines
43
Why are red/hoary bats greatly threatened by wind turbines?
- Echolocation; led to believe wind turbines are food | - Pressure change when flying between blades causes lungs to hemorrhage/burst
44
Why is there a large population of white-tailed deer on Wolfe Island?
Few predators
45
Amherst Island
- Flat (limestone) - lots of fish = lots of fish-eating birds - lots of clams = lots of scaup
46
This nature reserve on the east end of Amherst Island protects owls in the winter:
Owl Woods Nature Reserve
47
There are sheep farms on Amherst Island. This bird will sit on sheep for warmth:
Starlings
48
How is Amherst Island affected by Lake Ontario?
When Lake Ontario freezes over, the ice patterns on its shore are broken up by wind and found along the island

BIOL 2903 (24 decks)

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