Topics · Marine Biology · Guide

Marine Biology

Science 715 clues
Practice Marine Biology

Gimme Answers

top 50

Memorize these and recognize 24.9% of all Marine Biology clues.

#AnswerCountSample Clue
1 Teeth 8 Some filefish can chew in their throats, since they have these located there
2 plankton 7 A leptocephalus, or larval moray, eats & drifts for miles with these organisms, which include protozoa & diatoms
3 whale shark 7 This largest shark can reach a length of 50 feet & a weight of over 10 tons
4 krill 6 Whale food, it's from the Norwegian for "small fry"
5 Iwo Jima 6 Pima Indian Ira Hayes joined the Marines in 1942 & was part of a famous photo taken here in February 1945
6 a starfish 6 Although some species of this in the class Asteroidia have more than 20 arms, 5 is the usual number
7 a squid 6 "The Night Of" this 10-armed creature wasn't a horror film but a Jacques Cousteau TV special
8 tuna 5 Commercially, one of the most important species of this food fish is the skipjack, or oceanic bonito
9 salmon 5 (Sarah of the Clue Crew in Seattle) The fish flying here at Seattle's Pike Place Market include this "regal" shining example
10 catfish 5 Some of these "whiskered" fish have poisonous spines near their fins
11 the liver 5 Since it is lighter than water, the oil mainly in this organ prevents sharks from sinking
12 a hammerhead 5 This species is tough as nails
13 eyes 5 When it matures, a flounder has both of these on 1 side of its head
14 the Sargasso Sea 4 The American eel begins life in this area of the north Atlantic but eventually migrates to fresh water
15 gills 4 The chief respiratory organs of a fish
16 Fluke 4 ( Sarah of the Clue Crew delivers the clue from Antarctica.) Researchers recognize individual whales & follow their migration based on the pattern on ...
17 the Marines 4 John Glenn
18 the Army 4 World War I flying ace Frank Luke
19 a turtle 4 The green type of this reptile gained protection in the 20th century because of its popular use in soup
20 sharks 3 Including over 300 species, this fish has reserve rows of teeth & 5 types of fins which enhance its swimming
21 piranhas 3 These deadly fish have been released into U.S. lakes when owners found that feeding them was expensive
22 narwhal 3 This whale's scientific name, Monodon monoceros, refers to its unusually long left tooth
23 mako 3 With a name from the Maori, this powerful mackerel shark is also called the blue pointer or bonito
24 killer whales 3 The largest members of the dolphin family are the creatures with this homicidal name
25 fins 3 The tripod fish uses elongated these to support itself, appearing to stand on the ocean floor
26 dolphins 3 Most of the trained ones which perform in aquariums are the bottle—nosed species
27 coral 3 These polyps come in several varieties including thorny, gorgonian & mushroom
28 cartilage 3 The skeleton of a ray is made of this substance, not bone
29 breaching 3 Here 's a great white shark getting serious air during this spectacular hunting behavior
30 baleen 3 Gray whales are an example of this toothless class of whales that also have 2 blowholes
31 anchovies 3 There are more than 100 species of this fish & some of them might be on your pizza
32 tail 3 When it passes out of the megalops stage a crab tucks this in under its body
33 guppy 3 This small, tropical fish with a feather-like tail rivals the goldfish as the most popular aquarium pet
34 Air Force 3 Scott O'Grady
35 a sea cucumber 3 When it's in a sea "pickle", this creature of class Holothuroidea may eject its organs as a decoy for predators
36 Wings 2 The humpback's genus name Megaptera means having "large" ones of these, referring to its giant flippers
37 trout 2 The fish known as the "lake" type of this is also called the namaycush & the togue
38 the sperm whale 2 The blue whale is the largest, but this species, known for its enormous head, has the largest brain
39 the anglerfish 2 This "fishing" fish attracts food by dangling fleshy bait that grows from a fin on its head
40 tetras 2 Native to Africa & South America, these small, colorful fish include the bleeding- heart & neon
41 seaweed 2 The sargassum fish in the Sargasso Sea look remarkably like this vegetation that's abundant there
42 sea turtles 2 Soon after hatching, loggerhead ones ride currents out to sea to escape predators & grow
43 Sargasso 2 The brown seaweed that gives the North Atlantic "sea" its name floats via small berrylike bladders
44 Parrotfish 2 You'd expect to hear this fish say "Polly wants a cracker!"
45 lobster 2 The American species of this crustacean is classified as Homarus Americanus
46 Lionfish 2 Beware, this fish with a leonine name has extremely poisonous spines
47 keratin 2 (Sarah of the Clue Crew in Cape Cod) Baleen, which certain whales have instead of teeth, is composed of mainly this protein, just like hair & fingerna...
48 kelp 2 Off the coast of California, this brown seaweed can grow almost a foot a day
49 Jaws 2 A quote from this film: "So, 1,100 men went in the water, 316 men come out, the sharks took the rest, June the 29th, 1945"
50 Jacques Cousteau 2 In 1943 this undersea explorer produced his first film, "Par Dix-huit Metres du Fond", or "18 Meters Down"

Sub-Areas

Botany / Plants

2 clues
octopus (1) periwinkle (1)
97
answers to learn
1 Must-Know
22 Should-Know
74 Worth Knowing

Must-Know Answers

These appear 8+ times. Memorize these first.

Teeth 8

Answers by Category

Jump to: Biology / Animals | Chemistry / Elements | Other | Math / Physics | Astronomy / Space | Earth Science

Biology / Animals

64 answers | 180 clues
Must-Know (1)
Teeth 8x $262 avg J:6 DJ:2
J $100 2001 Baleen whales strain food like plankton from the water because they don't have these
DJ $800 1999 Whales of the suborder Odontoceti have these; others don't
J $100 1993 In a shark's mouth, new rows of these regularly replace old ones
Should-Know (9)
a squid 6x 16.7% stumper $433 avg J:3 DJ:3
J $200 2012 "The Night Of" this 10-armed creature wasn't a horror film but a Jacques Cousteau TV special
DJ $600 1991 This 10-armed creature can travel really fast, but not forward, backward
J $1,000 2004 The "Beast" that terrified Bermuda in a 1991 Peter Benchley novel was a giant one of these
tuna 5x 20.0% stumper $420 avg J:4 DJ:1
DJ $400 2008 The largest species of this fish is the bluefin, which may reach a length of 14 feet & weigh 1,600 pounds
J $500 1990 The largest species of this fish is the bluefin; the smallest, the skipjack
J $400 2003 Since 1990, new practices have cut by 90% the number of dolphins caught in nets intended for these
salmon 5x $640 avg J:2 DJ:3
J $200 1997 The Pacific types of this fish die after spawning; many of the Atlantic types do not
DJ $600 1995 Pink & coho are species of this
J $1,000 2003 (Sarah of the Clue Crew in Seattle) The fish flying here at Seattle's Pike Place Market include this "regal" shining example
catfish 5x $200 avg J:5
J $200 1996 Some of these "whiskered" fish have poisonous spines near their fins
J $100 1994 These whiskered fish range from about 1 1/2 inches to 15 feet in length
J $100 1993 Though named for their feline looks, not all of the about 2,400 species have barbels
the liver 5x 20.0% stumper $780 avg J:2 DJ:3
J $300 1993 This shark organ was an important source of vitamin A until the late 1940s
J $800 2002 This organ of the basking shark may yield 200 gallons of oil
DJ $1,600 DD 2017 Since it is lighter than water, the oil mainly in this organ prevents sharks from sinking
a hammerhead 5x $560 avg J:3 DJ:2
J $200 2017 This species is tough as nails
DJ $800 2019 The "great" species of this shark with a tool in its name specializes in preying on stingrays
DJ $1,000 1989 The nostrils & eyes of this species are at the ends of its enlarged, flat head for which it is named
eyes 5x $400 avg J:4 DJ:1
J $300 1987 When it matures, a flounder has both of these on 1 side of its head
J $600 2013 ( Sarah of the Clue Crew snorkels in the water off Baja California, Mexico.) The black spots at the rear of the butterflyfish act as a decoy set of these organs; they trick predators into attacking the tail rather than the head, allowing the fish a b...
J $200 1993 In cave fish these sense organs are either minute or absent because they live in the dark
narwhal 4x $1,300 avg J:1 DJ:3
J $600 2014 The name of this tusked whale comes from the Old Norse for "corpse whale", referring to its whitish color
DJ $1,000 1990 This Arctic whale, identified by its long tusk, is also called the unicorn whale
DJ $1,600 2004 This whale's scientific name, Monodon monoceros, refers to its unusually long left tooth
coral 4x 25.0% stumper $575 avg J:3 DJ:1
J $400 2014 These polyps come in several varieties including thorny, gorgonian & mushroom
J $600 2021 The polyp is the body of this creature whose name also refers to its skeleton; masses of them form reefs
J $500 1987 Its varieties include mushroom, horny, brain & staghorn
Worth Knowing (54)

Chemistry / Elements

23 answers | 80 clues
Should-Know (10)
plankton 7x 42.9% stumper $714 avg J:4 DJ:3
J $400 2017 Don't be alarmed; the basking shark is just after these tiny drifting organisms from a Greek word meaning "drift"
J $800 2021 A major type of these free-floating ocean organisms, with a name from Greek for wandering, dinoflagellates can cause red tides
DJ $1,200 2008 Newly hatched octopi live among this group of microscopic plants & animals that float on the ocean's surface
whale shark 7x 28.6% stumper $500 avg J:3 DJ:4
J $400 1991 Unlike most of these fish, the nurse species doesn't have to swim constantly & often lies motionless
DJ $600 2000 In England the dogfish species of this sea creature is often used in preparing fish & chips
DJ $800 1987 Though this savage species can be 60 feet long, their brains are rarely over 6 inches
krill 6x 16.7% stumper $1,183 avg J:1 DJ:5
DJ $400 2000 The name of this small shrimp-like animal that lives on plankton is from the Norwegian for "young of fish"
DJ $1,000 1999 Whale food, it's from the Norwegian for "small fry"
DJ $1,000 1991 Birds & small fish eat these shrimplike creatures 1 at a time, whales, by the thousands
Iwo Jima 6x $333 avg J:5 DJ:1
J $200 2013 Pima Indian Ira Hayes joined the Marines in 1942 & was part of a famous photo taken here in February 1945
J $500 2000 The conquest of this Pacific island in February & March 1945 was the largest all-Marine battle in U.S. history
J $200 2009 ( Sarah of the Clue Crew reports from the National Museum of the Marine Corps, Quantico, VA.) Immortalized in a photo, here is the actual flag raised on this island on February 23, 1945
the Sargasso Sea 4x 50.0% stumper $900 avg J:2 DJ:2
DJ $600 1992 The seaweed that makes up this huge "Sea" within the Atlantic Ocean reproduces without seeds
J $1,000 2014 Each fall silver eels migrate to this "sea" within the North Atlantic to breed, some traveling across land
J $800 2003 This sea, a still area in the Atlantic, is a spawning ground for most of the American & European eels
gills 4x 25.0% stumper $400 avg J:3 DJ:1
J $200 1987 The chief respiratory organs of a fish
J $800 2017 Most sharks have 5 pairs of these—those with 7 are among the oldest shark species in existence
J $200 2023 Most sharks have 5 of these openings on either side of their heads, but some species have 7
Fluke 4x 75.0% stumper $1,000 avg DJ:4
DJ $400 1999 One of the 2 flat divisions of a tail of a whale, or a stroke of good luck
DJ $2,000 2011 ( Sarah of the Clue Crew delivers the clue from Antarctica.) Researchers recognize individual whales & follow their migration based on the pattern on the underside of this, each half of the whale's tail
DJ $400 1985 A whale's tail fin, or an unexpected stroke of good luck
baleen 4x $625 avg J:1 DJ:3
DJ $400 2008 This, used to filter food from water by certain whales, is a keratinized structure, much like hair or nails
DJ $800 2022 Whales are classified as either toothed or these, named for the bony filters in their mouths
DJ $800 2002 These thin plates that hang from the upper jaw of the bowhead whale may reach a length of 13 feet
guppy 4x $733 avg J:1 DJ:2 FJ:1
DJ $600 1990 This tiny fish was named for the British scientist who introduced it to aquariums in the 1800s
FJ 1997 This common aquarium fish was named for a Trinidadian clergyman
J $800 2013 Careful—as an adult, this aquarium favorite is cannibalistic & must be separated from its young
a turtle 4x $750 avg J:2 DJ:2
DJ $400 2008 The green type of this reptile gained protection in the 20th century because of its popular use in soup
J $600 2004 ( Hi, I'm Jeff Probst [in Thailand].) Several species of these migratory sea creatures, including green & hawksbill, lay their eggs on Tarutao's beaches
DJ $1,600 2008 The loggerhead species of this reptile often feeds on jellyfish in the open seas
Worth Knowing (13)

Other

4 answers | 12 clues
Should-Know (2)
the Marines 4x 25.0% stumper $700 avg J:3 DJ:1
J $400 2001 Oliver North
J $800 2001 Lee Harvey Oswald
DJ $1,200 2002 Sen. Joe McCarthy
the Army 4x $400 avg J:2 DJ:2
J $200 2017 Secretary of State Colin Powell
DJ $800 2002 Al Gore, Jr.
J $200 2001 Elvis Presley
Worth Knowing (2)

Math / Physics

4 answers | 9 clues
Worth Knowing (4)

Astronomy / Space

1 answers | 6 clues
Should-Know (1)
a starfish 6x $717 avg J:3 DJ:3
DJ $200 1988 This echinoderm, "celebrity" of tide pools, is the only animal that turns its stomach inside out to eat
DJ $2,600 DD 2008 Although some species of this in the class Asteroidia have more than 20 arms, 5 is the usual number
J $400 2016 Some species of this echinoderm in the class Asteroidea may have as many as 50 arms rather than the usual 5

Earth Science

1 answers | 2 clues
Worth Knowing (1)
Home Practice Play Study