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Pracical 2
TEST NIGGA!!
101
Biology
Undergraduate 1
02/23/2015

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Cards

Term
Independent variable
Definition
one or more factors that the scientists varies during the experiment.
Term
Dependent variable
Definition
a feature that scientists measure in order to determine if it changes in response to the independent variable.
Term
Replication
Definition
results of an experiment are valid only if they are consistant when the experiment is repeated
Term
Analysis and Interpretation of data
Definition
once we have collected data we can analyze it by using statistics, graphs, tables, charts, etc.
Term
Conclusion
Definition
after interpreting the data, we can determine if our original hypothesis has been suppoted or rejected. Often, more experiments must be conducted  beofre we can answer the question with certainty.
Term
Low pH means
Definition
Acidic
Term
High pH means
Definition
Basic
Term
Neutral pH is..
Definition
7
Term
salinity is measured in..
Definition
Parts per thousand
Term
Is a virus a living organism?
Definition
A virus is not made up of cells. They consist of only a short chain of RNA or DNA.
Term
What are 3 types of viruses?
Definition

Retroviruses

Lysogentic viruses

Bacteriophages

Term

Bacteria usually works as a

A) Decomposer

B) Producer

C) A useless thing

D) nothing

Definition

A) Decomposer

 

Term
Cyanobacteria was once known as..
Definition
Blue-green Algae
Term
Cyanobacteria is what kind of bacteria?
Definition
Photosynthetic bacteria
Term
What is the bluish pigment that are in cyanobacteria?
Definition
Phycocyanin
Term
What is the reddish pigment that are in cyanobacteria?
Definition
Phycoerythrin
Term
When phycocyanin predominates, the bacteria appear...
Definition
Blue-Green
Term
When phycoerythrin predominates, they appear..
Definition
Red
Term
What causes red tides?
Definition
Cyanobacteria that contain red pigment( Extra credit:what is that pigment called).. When these bacteria mulitply wildly they become Harmful Algal Blooms.
Term
Archaea were thought to be bacteria, but now evidence stongly show that it is more related to..
Definition
Eukaryotes
Term
Extremophiles are...
Definition
organisms that live in extereme environments
Term
Where does photosynthasis take place?
Definition
In the Chloroplasts.
Term
What makes algae a certain color?
Definition
The pigments in the algae and their concentrations
Term
What are two types of Unicellular Algae?
Definition

Diatoms

and

Dinoflagellates

Term
What is a Diatom
Definition
A unicellular species that are enclosed by a cell wall made of silica, a glass-like material
Term
What pigment makes diatoms yellow and brown?
Definition
Carotenoid
Term
What are Dinoflagellates cell walls are made up of?
Definition
Cellulose
Term
What unicellular algae is capable of bioluminescence?
Definition
Dinoflagellates
Term
A group of round, golden brown dinoflagellates are called
Definition
Zooxanthellae
Term
What are two types of Protozoans?
Definition

Foraminiferans

and

Radiolarians

Term
What is the difference between a Foraminiferans and Radiolarians?
Definition

Foraminiferans have a "test" made up of calcium carbonate.

 

and

 

Radiolarians' shell is made up of glass and other materials

Term
What is a Porifera?
Definition
Sponge
Term
What are Cnidarias
Definition
Anemones, corals, hydrozoans, and jellyfish
Term
What are Ctenophoras?
Definition
Comb Jellies
Term
What does sessile mean?
Definition
stuck in one place and usually attached to a hard surface
Term
What the cavity that contains food and dissolved oxygen in a sponge?
Definition
Spongocoel
Term

Calcareous sponges 

spicule type?

Definition
Calcium Carbonate-tubular design and are small and have three points but some can have two or four.
Term

Hexactinellida sponges

spicule type?

Definition
Siliceous-The spong that has glass (the shrimp)
Term

Demonspongiae

spicule type?

Definition
Siliceous, sponging- most complex body form. the canal system is extensively branch. small incurrent canals lead to flagellated chambers lined with choanocytes. The bath sponge is an example.
Term
What makes up Cnidaria?
Definition
Hydroids, Jellyfishes, sea anemones, and corals.
Term
What are two basic forms of cnidarians?
Definition

Medusa Jellyfish-like

and

Polyp are sessile

 

Term
Difference between sessile and pelagic
Definition

Sessile - don't move and stay on the bottom

 

Pelagic - swim around

Term
What is the stinging chemical is in the tentacles of a cnidarian?
Definition
Nematocysts
Term
Ctenophora commonly known as the..
Definition
Comb Jelly(medusa)
Term
Ctenophores swim how?
Definition
With eight rows of ciliary combs, or long cilia, fused at the base that beat in waves.
Term

Comb Jellies have what?

A) Stinging cells

B) No cells

C) Sticky Cells

D) Slippery Cells

Definition

C) Sticky cells

or Colloblasts

Term
What part of the body is the anterior?
Definition
The end with the head and brain
Term
What part of the body is the posterior
Definition
The end, opposite from head and brain
Term
Where is the dorsal surface located?
Definition
The back
Term
Where is the ventral surface?
Definition
The belly
Term
What phylum is the segmented worm?
Definition
Annelida
Term
What phylum is molluscs?
Definition
Mollusca
Term
What phylum is crustaceans under?
Definition
Arthropoda
Term
Where does the gut, or intestine lie?
Definition
The cavity known as coelom.
Term
Segments act as a ...
Definition
Hydrostatic skeleton
Term
What class is the segmented worm in?
Definition

Phylum: Annelida

Class: Polychaetes

Term
What are the segmented worm's bristle feet called?
Definition
setae
Term
What makes the shell of a mollusca?
Definition
The Mantle
Term
What is the radula of a mollusca?
Definition
A ribbon of tiny teeth found in the mouth cavity.
Term
What animal is in the class, Gastropoda?
Definition
Gary the SNAIL!!
Term
What animals are in the Bivalvia class?
Definition
Clams, mussels, and oysters
Term
What animals are in the Cephalopoda class?
Definition
Octopuses, squids, Nautilus
Term
Siphon works as a...
Definition
Funnel
Term
What animal is in the Polyplacophora class?
Definition
Chitons
Term
What classes make up Arthropoda?
Definition
Crustaceans, and other arthropods
Term
Arthropods and Crustaceans have what?
Definition
Antennas
Term
What animals are included in the phylum echinodermata?
Definition
sea stars, brittle stars, sea urchins, sea cucumber, and  crinoids
Term
Pentamerous means?
Definition
Five sided body symmetry
Term
what does a water vascular system do?
Definition
circulates water oxygen and nutrients
Term
Where is the water vascular system located?
Definition
tube feet that extend along ambulacral grooves
Term
what is a madreporite?
Definition
a porous palte that serves as an entry point of the water that circulates through the water vascular system
Term
What animal is under the class Asteroidea?
Definition
Sea Stars
Term
what animal is in the ophiuroidea?
Definition
brittle stars
Term
what class is a  sea urchin in?
Definition
echinoidea
Term
what animal is in the holothuroidea?
Definition
sea cucumbers
Term
Where do feather stars and sea lilies fall under?
Definition
Crinoidea
Term
What is a point source?
Definition
The location of where the pollution originated
Term
What is dispersion?
Definition
When pollution disperses in it's medium.
Term
What is a boom?
Definition
A tool used to contain oil spills to prevent the pollution from spreading.
Term
What are dispersants?
Definition
Chemicals that allow oil to disperse as microscopic droplets into the water. ( basically just spreading the pollution to more area.)
Term
What is burning?
Definition
When you light the oil pollution.. Not very effective.
Term
What are the 3 types of scales?
Definition

Fish: Ctenoid, cycloid,

Sharks: placiod

Term
What is an operculum?
Definition
A gill cover
Term
What does homocercal mean?
Definition
Same size caudal fin
Term
What is a fin ray?
Definition

Fins that are made up of thin membranes that are supported by ony spines.

(spiny fins)

Term
What are the 3 sub phylums in Chordata?
Definition

Vertebrata

Urochordata

 Cephalochordata

Term
What does vertebrata consist of?
Definition
Fishes, amphibians, reptiles, birds, and mammals
Term
Urochordata consists of what?
Definition
Tunicates and sea squirts
Term
Cephalochordata consists of?
Definition
Lancelets
Term
What consists of vertebrata?
Definition
Vertebrates, which means they have a backbone.
Term
Fish are divided into what three classes?
Definition
Agnatha, Chondrichthyes, Osteichthyes
Term
What does Class Agnatha consist of?
Definition
Lampreys and Hagfish
Term
What makes up Class Chondrichyes?
Definition
Cartilaginous fishes, Sharks, skates, rays, and chimaeras. (Ratfishes)
Term
What does Osteichthyes mean?
Definition
Bony fish (many different body shapes)
Term
How many legs does a octopus have?
Definition

10 in total

8 tentacles and 2 arms to reproduce

Term
sea cucumbers have what kind of symmerty?
Definition
Pentamorise
Term
What do fish have that sharks do not?
Definition
Swim bladders
Term
What do sharks have that work like swim bladders?
Definition
Their liver. They have a special liver, it is filled with oils and lipids. It controls the buoyancy of the shark.
Term
Why is it adventatous spiral valve intestine?
Definition
A spiral valve intestine can absorb more and increases surface area
Term
Who has a spiral valve intestine?
Definition
SHARKS!!
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