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Marine bio > Marine final > Flashcards

Marine final Flashcards

1
Q

marine plant can fix nitrogen and photosynthesize but the two processes do not occur in the same region

A

Cyanobacteria

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2
Q

The life cycle that typifies Rhodophyta and is advantageous to increase successful fertilization within this group that lacks flagellated spores

A

Approx life cycle

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3
Q

True or False: Chlorophyta can be filamentous, unicellular, or parenchymatous in form

A

True

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4
Q

Seagrasses are a polyphyletic group that all
exhibit what type of pollination.

A

Hydrophily

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5
Q

Group 1: two unequal flagella & commonly from symbiotic relationships

A

Dinophyta

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6
Q

Group 2: cell walls of silica, used in forensics

A

Bacillariophyta

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7
Q

Group 3: members of Phaeophycea that
have an intercalary meristem (in addition to apical and basal meristems) & are ecosystem engineers

A

Laminariales

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8
Q

Group 4: scaly coat, haptonema, calcification

A

Haptophyta

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9
Q

At the phyla level- I have a radula, mantle, & foot
Who am I?

A

Mollusca

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10
Q

My cell are pluripotent and my body is home to many small reef organisms.
I have calcareous spicules but not siliceous ones.

A

Class Calcarea in Phylum Porifera

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11
Q

I am part of the plankton. I have tissue grade construction. The beating of my ctenes is controlled in part by sensing of balance with a statocysts at my crown

A

Phylum Ctenophora

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12
Q

Unsegmented worm with a Rhyncoelum

A

What is Phylum Nemertea

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13
Q

I have an oral and aboral side a madreporite and a respiratory tree and when I get upset cuverian tubules are eviscerated.

A

Class Holothuroidea

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14
Q

Head-foot with beak

A

Class Cephalopoda

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15
Q

Jointed legs with a book gills

A

Subphylum Chelicerata

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16
Q

These pores are used to secrete salt so mangroves can live
along the coast

A

lenticels

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17
Q

Nephridia are used for what function

A

What is removal of wastes

18
Q

Amebocytes are used for what function in Porifera

A

Transport nutrients/production of new cells

19
Q

structure found in bivalves that is used to sort food particles to the esophagus

A

labial palps

20
Q

structure holds algae to the substratum

A

holdfasts.

21
Q

structure is used for jet propulsion in Cephalopoda

A

siphon.

22
Q

The function of this structure in polar bears is block cold water from coming close to the body

A

guard hairs.

23
Q

The function of this structure is gas exchange and is found in the carapace of decapod crabs

A

Ctenidia.

24
Q

In cruising fishes like the tuna this protein within the muscles allows for constant swimming

A

myoglobin

25
Q

Sea otters are members of what order?

A

Order Carnivora

26
Q

Ear flaps, hind region that can be rotated underneath the body, loud vocalizations

A

Sea lions

27
Q

This group of marine mammals has solid long bones with little or no bone marrow and are herbivores

A

Order Sirenia (Family Dugongidae)

28
Q

This group within the Infraorder Cetacea has one dorsal blowhole, tend to be smaller
And includes Sperm whales, orcas, dolphins, beaked whales, pilot whales, narhwal

A

Odontocetes

29
Q

Internal structure in nasal canal that vibrates involved in echolocation

A

phonic lips

30
Q

Barycardia, slowed metabolism, flexible lungs are all adapations that allow for what function.

A

deep prolonged dives

31
Q

This group of pinnipeds has air sac under its throat which acts like a flotation bubble and allows it to bob vertically in the wate

A

walruses

32
Q

True or False: A square tail in Osteichthyes is best used for maneuverability

A

True

33
Q

These two groups feed on seagrass and are vertebrates

A

Order Sirenia & Green Sea TurtleS

34
Q

Class Scyphozoa reproduces sexually where the benthic polyp undergoes a process called ________.

A

strobilation

35
Q

Chondrichthyes males reproduce with structures called?

A

Claspers

36
Q

This type of feeding is seen in Humpback whales where they create a net of bubbles around prey to scare them to the center and swim up in it with their mouth open

A

Bubble net feeding

37
Q

Salps and lancelets filter feed with what structure?

A

Pharyngeal baskets

38
Q

Brachiopoda and Bryozoa feed with a structure called a __________.

A

Lophophore

39
Q

Whale vomit highly prized for its use in perfumes
and other products

A

amber-gris

40
Q

water vascular system in echinoderms and describe it

A

coelomic water vascular system, the system consists of a central ring canal and radial canals extending along each arm

41
Q

sensory systems in fishes. What is a lateral line and how does it function? How do some fish sense electrical signals?I

A
42
Q

detect, track, and discriminate their prey, as well as negotiate their environment

A

echolocation in Odontocetes

Marine bio (1 decks)

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