Sea Turtles, Monk Seals, and Trophic Structure Flashcards

1
Q

What are turtles?

A

Reptiles

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

How are turtles’ blood regulated?

A

Turtles are cold-blooded aka, they reflect their environment

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What is the big difference between terrestrial turtles and land turtles?

A

Sea turtles are lighter and unable to retract their heads

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

How did sea turtles anatomically adapt?

A

Elongated phalanges and reduced claws

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

How long before females lay their eggs?

A

20 to 30 years until maturity

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Where do female turtles go when they reproduce?

A

The females go to their maternal beach aka the beach they were born.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

What is the purpose of false nesting?

A

Checking out the area to be sure its safe

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

What is the average amount of eggs laid in a clutch?

A

100-150 eggs

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

What is it called when the turtles hatch all at once? Why is this importance?

A

Mass emergence, some turtles will get picked off and eaten.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

How long does it take for the nests to hatch?

A

1/2 to 2 months

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

How do turtles remember where their maternal beach is?

A

They are imprinting on the beach before the hit the water. They remember the temperature, magnetic area, etc.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

What are the “lost years?”

A

When turtles get caught in the big currents and are swept around in the planktonic layer. They stay there until they are big enough to swim out.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

How many out of 100 hatchlings will survive to sexual maturity?

A

1 in 100

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

What are Cheloniidae turtles?

A

Sea Turtles that have scutes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

What are Dermochelyidae turtles?

A

Sea turtles that don’t have scutes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

What is the scientific name of the Green Sea Turtle?

A

Chelonia mydas

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

What are scutes?

A

Bony plates

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

What is the current threat to Green Sea Turtles?

A

Fibropapillomatosis (tumors that cover eyes, nose, and mouth)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

What turtles are most commonly found along the coasts of Hawaii?

A

Hawksbill turtles

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

Monk Seals belong to which group and what does it mean?

A

Pinnipeds, which means “fin footed”

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

What are the three different types of seals?

A

Otariids “Eared Seals”Phocids “True Seals” or “Earless Seals”Odobenids “Walrus”

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

Eared Seals are known as

A

Otariids

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

True Seals are known as

A

Phocids

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

Walrus are known as

A

Odobenids

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
What are the two subfamilies of Phocid seals?
Monachinae and Phocinae
26
Monachinae include which type of seals?
Monk, elephant, and Antarctic
27
Phocinae include which types of seals?
North Hemisphere Seals
28
What are the three types of seal species?
Mediterranean, Caribbean, and Hawaiian
29
What is the progression of the Monk Seal?
Mediterranean, to North American waters, then to Pacific
30
Why did the Hawaiian Monk Seals move to the NWHI?
The Hawaiian Monk Seals were being harvested and didn't like human interaction
31
Typically how heavy are monk seals?
375-450 lbs
32
Typically how long are monk seals?
7 - 7.5 feet
33
What is the average lifespan of monk seals?
25-30 years
34
What does the typical monk seal diet consist of?
Fish, cephalopods, and crustaceans
35
What do monk seals do during the day?
They are resting on beaches
36
What do monk seals do during the night?
They fish in deep water for precious coral beds and other benthic ecosystems
37
What kind of coral do monk seals like to eat?
Black and gold corals
38
Why do monk seals dive deeper to feed on coral?
Humans harvest coral in shallower depths
39
In what century did the Hawaiian Monk Seal decline and why?
19th Century, they were nearly hunted to extinction by Western explorers
40
When were the Hawaiian Monk Seals put on the Endangered Species Act?
1976
41
What is a common predator of Monk Seals?
Sharks
42
Why is there a lower survival rate for monk seal pups?
Human disturbances and inability to nurse pups
43
What are four modern threats to the Hawaiian Monk Seal?
Ciguatera intoxication Entanglement Genetic Bottlenecking Mobbing behavior
44
What are three course of action toward helping the HMS?
Worming Translocation to MHI Immunizations
45
Endosymbiotic zooxanthellae in corals
Primary producer on the reef
46
Filametous algal scum (turf algae)
Primary producer on the reef
47
Coralline algae (encrusting or branching)
Primary producer on the reef
48
Benthic macroalgae (seaweeds)
Primary producer on the reef
49
Benthic diatoms
Primary producers on the reef
50
Phytoplankton
Primary producers on the reef
51
Most parrotfish
Herbivores
52
Pacific Gregory
Herbivores
53
Some surgeonfish
Herbivores
54
Blennies
Herbivores
55
Gastropods and Sea hares
Herbivores
56
Most sea urchins
Herbivores
57
Crabs
Herbivores
58
Honu
Herbivores
59
Certain butterflyfish
Corallivores
60
Blue-eyed damselfish
Corallivores
61
Filefishes
Corralivores
62
Shortbodied blenny
Corallivores
63
Crown of thorns and Pin cushion sea star
Corallivores
64
Snails, Nudibranchs, and Flatworms
Corallivores
65
Plankton-feeders (damselfishes and some butterfly fishes) Benthic invertebrate feeders (wrasses and triggerfishes) Piscivores (baracuda, morays, groupers, jacks, sharks)
Non-Corallivore Predators
66
Mollusks (some cone shells, triton's trumpet, and octopus/cuttlefish
Non-Corallivore Predators
67
Lobsters and some Crabs
Non-Corallivore Predators
68
Dolphins, seals, and sea birds
Non-Corallivore Predators
69
Father-duster worms
Filter & Suspension Feeders
70
Christmas tree worms
Filter & Suspension Feeders
71
Sponges
Filter & Suspension Feeders
72
Tunicates
Filter & Suspension Feeders
73
Bivalved Mollusks
Filter & Suspension Feeders
74
Sea Cucumbers
Deposit Feeders
75
Spaghetti Worms
Deposit Feeders
76
Brittle Stars
Deposit Feeders
77
What is the order of trophic structure?
Phytoplankton Herbivores 1st Degree Carnivores 2nd Degree Carnivores
78
Phytoplankton are also known as...
Autotrophs or 1st Degree Producers
79
Herbivores are also known as...
1st Degree Heterotrophs
80
1st Degree Carnivores are also known as...
2nd Degree Heterotrophs
81
2nd Degree Carnivores are also known as...
3rd Degree Heterotrophs