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Marine Sci Ch. 5
straight from the test
28
Science
12th Grade
12/13/2008

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Cards

Term
sexual reproduction cellss that contain the haploid number of chromosomes
Definition
gametes
Term
leafy part of seaweed
Definition
thallus
Term
the largest seaweed in the ocean
Definition
brown algea kelp
Term
what anchors mangroove trees into the sand?
Definition
pop routs
Term
two gametes fuse to produce a
Definition
zygote
Term
soft red algea supply a chemical which is also used to make food, medicine products, and as medium for growing bacteria
Definition
agar
Term
a chemical found in some seaweed that is used as a binding agent in foods and toothpaste
Definition
carrageenan
Term
the mangroove tree is well adapted to a coastal enviornment because
Definition
its prop roots anchor the tree into the sand
Term
kelp or common seaweed is in the group
Definition
Brown algea, Phaeophyta
Term
which of the following is least related to the others:
spartina
thalassia
phragmites
fucas
Definition
Fucas
Term
Hard brittle, branching, and is found in the intertidal zone?
Definition
Corallina
Term
the organisms that consume autotrophs are called:
Definition
heterotrophs
Term
which type of algea floats, has branches, provides cover, and has a sea named after it?
Definition
Sargassum
Term
The organic debris bought in by tides and trapped by the roots of mangrove trees serva as what?
Definition
source of food for marine organisms
Term
True or False:
all large marine plants are marine algea
Definition
false
Term
the waxy covering of the prickly pear plant is an adaptation for
Definition
minimizing water loss
Term
True or False:
marine algea are non-vascual plants
Definition
true
Term
an umbrellalike algea that is found in tropical waters
Definition
Acetabularia
Term
thin, leafy, bright green algea and is located in shallow water
Definition
ulva (sea lettuce)
Term
True or False: sea weeds are of freat intrest to marine biologists but have no commercial value.
Definition
False
Term
seaweeds produce oxygen through teh prcoess of
Definition
phtosynthesis
Term
the largest and fastest growing producers in the ocean is the
Definition
kelp
Term
the group of marine algea best adapted to deep water is
Definition
red algea, the rhodophyta
Term
which algea is short bushy, covers rockes and is found in the subtidal zone?
Definition
chondrus
Term
the organisms that produce food are called
Definition
primary producers
Term
haploid cells necessary for sexual reproduction are prodcers by a seaweeds
Definition
gamtophyte thallus
Term
haploid cells necessary for sexual reproduction are produces by a seaweed's
Definition
gametophyte thallus
Term
cordgrasses are adapted to live in salt water because they have
Definition
special glands in their leaves to excrete excess salt
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