marine bio!
1. Which phase change occurs when a solid turns into a gas?
- Sublition
2. What reflects the average speed of molecules?
- Temperature
3. The process that captures the sun's energy to make glucose.
- Photosynthesis
4. Used by organisms to convert stored chemical energy into ATP?
- Cellular respiration
5. Which type of organism has complex cells that contain a nucleus as well as other
membrane-bound organelles?
- Eukaryotic
6. The process where an organism maintains the proper concentration of solutes
and water in its body.
- Osmoregulation
7. Which surface-to-volume ratio would be best for a single-celled organism?
- 4.1
8. Organisms have many ___ to survive in their habitat.
- Adaptations
9. What is the total amount of salt in seawater?
- Salinity
10. Which of the following correctly states binomial nomenclature to identify a
Hawaiian monk seal?
- A s (first one capitalized, second one lower case and italicized)
11. Single-celled organisms that create organisms with a cell.
- asexual
12. What is the study of evolutionary relationships?
- Phylogenetics
13. Organisms that use respiration to obtain energy from organic matter.
- Heterotrophs
14. The type of respiration that does not require oxygen to break down organic
molecules for energy.
- Anaerobic
15. The type of respiration that requires oxygen to break down organic molecules for
energy.
- Aerobic
16. Organisms that can be found in extreme environments such as very deep waters,
near hydrothermal vents, and high saline environments.
- Archaea
17. These organisms used to be referred to as plants, but many show animal like
characteristics.
- Algae
18. A group of structurally simple, diverse, eukaryotic, and heterotrophic organisms.
- Protozoans
19. A sac-like stage of cnidarians that attaches to the seafloor with the mouth and
tentacles facing upward
- Polyp
20. A bell-like stage of cnidarians that is adapted for swimming with the mouth and
tentacles facing downward.
- Medusa
21. What is the stinging structure used by cnidarians that is quickly ejected to capture
prey?
- Nematocyst
22. How the simplest bilaterally symmetrical body plan and a flattened body.
- flatworms
23. Which worms are similar to flatworms but are more complex, including a complex
gut and primitive body and circulatory system?
- Ribbon worms
24. Which worms are often parasitic, have a hydrostatic skeleton, and are often found
in sediment or in other organisms?
- Roundoworms
25. Which worm is almost transparent and has fish-like fins and tail?
- Arrow worms
26. These worms have bodies with a series of similar compartments.
- Segmented worms
27. Which worms have a soft, unsegmented body with a coelom and a mouth and
tentacles that can be pulled into the rest of the body?
- Peanut worms
28. The thin layer of tissue that secretes the shell in mollusks is called the ___
- Mantle
29. Which class of molluss can be describe as a coiled mass of organisms eclosed by
a dorsal shell on a creeping ventral foot?
- Gastropods
30. Which mollusk does not have a shell but instead has colorful projections of their
gut or exposed gills?
- nudibranchs
31. The class of mollusk with a flattened enclosed in a shell with two parts.
- Bivalves
32. Mollusks that have bodies adapted to an active way of life, making them great
swimmers and preditors.
- Cephalopoda
33. ___ out of ___ animals are arthropods.
- Three, four
34. What do most crustaceans have that allows for gas exchange?
- Gills
35. Which crustaceans are very abundant and important in the plankton community
that use theu mouthparts to filter out or capture food and cometimes use their
alternate to swim?
- copepods
36. Filter feeders that usually live attached to surfaces, including living animals like
whales and crabs.
- Barnacles
37. Small crustaceans with a curved body that is flattened sideways.
- Amphipods
38. Easily identifiable because the main part of their body has legs similar to each
other and have a body that is dorsoventrally flattened.
- isopods
39. Part of the plankton community that are common in waters and arw almost the
exclusive food source for many whales, penguins, and fishes.
- krill
40. What is the dorsal row of hollow skeletal elements, usually bones called
vertebrae?
- backbone
41. Which group of fishes do not have paired appendages or scales, and have
elongated bodies?
- Jawless fishes
42. Also called slime eels due to the presence of slime glands in the dermis.
- hagfish
43. A group of fishes that feed on other fishes through attaching nd ripping a hole in
the flesh to get tissue and body fluids.
- lamprey
44. Which group of fishes have placoid scales and are some of the largest living
vertebrates on earth besides whales.
- cartilaginous fishes
45. Which group of cartilaginous fishes have heterocercal casual fins, a ventral
mouth, and teeth that are continuously replaced?
- Sharks
46. Which group of cartilaginous fishes have flattened bodies with enlarged pectoral
fins and reduced cadual fins?
- Sharks and rays
47. Which group of fishes have cycloid scales, operculum, homocercal tail, and swim
bladder?
- Bony fishes
48. Explain what thermohaline circulation is and why it’s so important to life on earth.
- caused by changes in density, which are caused by changes in temperature and
salinity
- changes in salinity at the surface are caused by precipitation, evaporation, and
freezing
- changes in temperature at the surface are caused by evaporation, solar heating,
or the exchange of heat with the atmosphere
49. Salt associates with what?
- Sodium and chloride, +Na -Cl
50. Most important dissolved gas in the ocean.
- oxygen
51. The ocean depth increases ___
- Pressure increases
52. Surface layer
- 100-200 meters
53. What causes currents blowing north from the equator to drift right?
- Coriolis effect
54. Winds that approach the equator at a 45 degree angle.
- tradewinds
55. Earth lies under one of the bulges.
- Hightides
56. The distance between 2 wave crests.
- Wave length
57. Chemical reactions that occur in an organism that allows them to do work.
- metabolism
58. Stable internal environment.
- homeostasis
59. Energy stored, insulation
- Fats or lipids
60. What happens to ATP molecule when its used by a cell for energy.
- ADP
61. Not made of cells.
- virus
62. Smallest and most simple living organism.
- prokaryote
63. Break down waste
- Decay bacteria
64. Most abundant photosyntheitc organism
- cyanobacteria
65. Autotrophic organisms that use photosynthesis
- photoautotroph
66. Autotrophs using chemical compounds
- chemoautotroph
67. Used cellular algae made of silica
- diatoms
68. Have 2 flagellas
- Dinoflagelites
69. Calcium carbonate shell
- foraminiferans
70. Protozoans with delicate skeletons
- radiolarians
71. Eukarytoic, do not have cholorplasts
- fungus
72. Photosyntheic organisms
- Chlorophyll
73. Fresh water species, photosynthetic pigments
- Green algae
74. Most abundant and complex seaweed
- Brown algae
75. Most different species and in shallow waters
- Red algae
76. Most percent of animals are ___
- invertebrates
77. Cecile organisms that have a cellular level of organization but do not have true
tissues
- sponges
78. Cyndarians are more complex than sponges but have tissues that have functions
- Dont have nerves or brain
79. Place the levels of organization into the correct order from smallest to largest.
- Cell
- Tissue
- Organ
- Organ System
- Organism
80. Identify which evolutionary process is being shown below. Explain your answer. (2 pts)
- Natural selection, the bird is preying on the mice and the mice with darker traits
blend in and are more likely to survive than the ones who stand out. It leads to a
change of population over time.
81. List the taxonomic levels used to group organisms that have common
characteristics. Start with domain and end with species.
- Domain
- Kingdom
- Phylum
- Class
- Order
- Family
- Genus
- Species
82. Using this image of a kelp, identify the stipe, holdfast, air bladders, thallus, and
blades by writing in the correct word next to the line pointing to each structure.
83. Draw a picture of an organism with bilateral symmetry and one with radial
symmetry. Make sure to label which type of symmetry you have drawn.
- Bilateral: octopus
- Radial: jellyfish
84. All Unit Essay (10 pts) Explain how the overall complexity of organisms increases
as we move from bacteria all the way to bony fishes. Include the following
organisms in your answer: Bacteria, unicellular eukaryotes, sponges, cnidarians,
worms, mollusks, arthropods, jawless fishes, cartilaginous fishes, and bony