Ecological & Economic Importance
Name that Organism!
Plankton & Crustaceans & Echinoderms
Bony & Cartilaginous Fish
Marine Plants & Fish cont.
100
A _________ species is an organism that heavily impacts it’s community so much that drastic changes occur it is removed or if it overpopulates.
What is Keystone?
100
This example of Keystone Species are very small organisms that have a limited ability to move (drifters) and can be either producers (phyto-____) or animals (zoo-____).
What is Plankton?
- Phytoplankton (producers)
- Zooplankton (animals)
100
This image showcases which characteristic of Echinoderms?
What is pentaradial symmetry?
100
In bony fish and cartilaginous fish, the purpose of gills are to ____________.
What is gas exchange (take in O2 and release CO2)?
100
This is an image of a kelp.
Identify the part of the plant that is utilized keeping the blades afloat and increase access to sunlight for photosynthesis.
What is the gasbladder?
200
This example of Keystone Species is known for it's Pentaradial Symmetry, internal exoskeleton, and ability to crawl/eat using tube feet.
What is an Echinoderm?
200
This group of organisms is known for having a hard exoskeleton made of calcium, antennae, and jointed-legs.
What are crustaceans?
200
This image showcases the head and thorax of a Fiddler Crab, together this is known as the _________.
What is the carapace?
200
The lateral line has been labeled on this fish, which a line of nerve connections that functions to _____________.
What is detecting movements and vibrations in the water?
OR
What is used in schooling and hunting?
200
This is an image of kelp.
Identify the part of the plant that is utilized keeping it anchored to algae?
What is the holdfast?
300
Name any Marine Keystone Species and describe it's ecological & economic importance.
ANSWERS MAY VARY
300
This group of organisms are known for:
ability to swim continuously & absence of swim bladder
skeleton of cartilage - lighter & less dense
5 to 7 pairs of gill slits
tough skin covered in overlapping tooth-like scales called denticles
lateral lines with specialized sensory pores, known as, ampullae of Lorenzini
What are Cartilaginous Fish?
300
Sheldon J. Plankton from Spongebob is a copepod.
- Name two Key Marine groups that Sheldon J. Plankton could technically classify under.
- Name the feature that is shown on him that you were supposed to label in your Biological Drawing.
What is...
- A "copepod" is a type of zooplankton, a planktonic crustacean distantly related to shrimp and crabs.
- Antennae (the egg sacs are not visible)
300
This characteristic in certain fish balloon-like (filled with gas), it controls buoyancy allowing them to move up and down the water column.
What is the swim bladder?
300
The image below is of a dogfish shark.
#1 and #2 are both pointing to ___________.
What is the 1st and 2nd dorsal fins?
400
If the Crown of Thorns Sea Star was removed from their ecosystem, what would be an immediate impact?
What is overpopulation of Coral Reefs?
400
This Marine Plant:
- lives in shallow bays and lagoons (near mangroves or coral reefs) of temperate and tropical coastlines.
- relies on rhizomes to anchor into sediment and reproduce asexually.
What is a seagrass?
400
1. Name the characteristic shown
2. Describe the function
3. Suggest which type of organism this may belong to
What is...
1. Tube feet
2. For movement, crawling/locomotion, feeding
3. Sea Star
400
The operculum in a fish functions to _______.
What is protect/cover the gills of a fish?
400
This image showcases the ventral side of a dogfish shark. Letter A points to ____________.
What is the pectoral fin?
500
Two ecological benefits of small crustaceans, such as krill and copepods include __________.
What are serving as:
A scavenging species to recycle nutrients
A major food source within ocean
A parasite (i.e. sea lice) to certain fish -- minimizing overpopulation
500
Name 3 organisms that classify as Echinoderms.
What are urchins, sea stars, sea cucumbers, sand dollars... ANSWERS MAY VARY!
500
1. Name the characteristic shown
2. Describe the cause of this phenomena
3. Suggest which type of organism this may belong to
What is...
1. Bioluminescence / Phytoplankton Bloom
2. Excess nutrients (nitrogen, phosphorus) & sunlight
3. Any of the following accepted: Plankton, Phytoplankton, Dinoflagellates
500
This image showcases the ventral side of a dogfish shark. Letter B points to ____________.
What is the pelvic fin?
500
The slowest swimmer is ________.
The fastest swimmer is ________.
SLOW -- What is the squirrelfish?
FAST -- What is boarfish? (also accepted = pinecone fish, picklefish)