Type
Crossword
Description

an animal lacking a backbone invertebrate
having parts or aspects that are not equal or equivalent asymmetrical
water flows into a sponge through cells with pores pore cells
Cells that line the interior of sponges, cells are surrounded by a collar of microvilli collar cells
fixed in one place; immobile sessile
an animal that feeds on material (such as planktonic organisms) suspended in water suspension feeders
feed by straining suspended matter and food particles from water filter feeders
a phylum of aquatic invertebrate animals that comprises the sponges porifera
a change of the form or nature of a thing or person into a completely different one metamorphosis
structural elements found in most sponges. They provide structural support and deter predators spicules
a large aperture in a sponge through which water is expelled osculum
fibrous substance found in the skeleton of many sponges spongin
cells that are found in connective tissue, but are not fixed in place and move around wandering cells
a free-swimming larva in certain sponges amphiblastula
eject sperm and egg cells into the water, the larva settles to a suitable location on the bottom and grows into an adult sponge spawning

Porifera Crossword

Type
Crossword
Description

Body opening for incoming water Ostia
Body opening for water outlet Oscula
Flagellated collar cells Choanocyte
microscopic dermal pores into a large cavity Spongocoel
A common stem Stolon
A type of canal found in Syconoids lined with choanocytes Radial canals
The canal found in Syconoids that water flows into first Incurrent canals
The nearest thing to true tissue that a spong has Pinacocyte
The gelatinous matrix of the sponge Mesohyl
Modified pinacocytes that are arranged in circular bands Myocytes
Free-swimming larva of most sponges Paraenchymula
Regular formation of internal buds Gemmule
Amoeboid cells found in sponges Archaeocyte
Specialised cells that secrete the mineralized structures in the body wall of sponges Sclerocyte
The cell that secretes spongin fibers in sponges Spongocyte
The simplest body type for sponges Asconoid
The most complex sponge body type Leuconoid
Horny or fibrous substance found in the skeleton of many sponges Spongin
They provide structural support and deter predators Spicule
Having both the male and female reproductive organs in the same individual Monoecious

Marine Animal crossword

Type
Crossword
Description

animals that lack a backbone invertebrate
having parts that fail to correspond; lacking symmetry asymmetrical
the tube like cell of sponges that forms a pore or ostium pore cells
a flagellated food trapping cell of sponges collar cells
to be attached to a surface sessile
an animal that feeds on organic matter suspended in water spension feeders
feed by straining straining suspended matter and food particles from water, typically by water passing over a specialized filtering structure filter feeder
a phylum of invertebrate animals comprising the sponges, do not have true tissue or organ formation. Porifera
the process of transformation from an immature form to an adult form metamorphosis
gives the body of the sponge structure and provides the sponge with protection spicules
where water travels out at the top of the sponge osculum
the horny or fibrous substance found in the skeleton of many sponges spongin
a mobile cell moving in the body of invertebrates amoebocytes
a free swimming larva of certain sponges. amphiblastula
release or deposit eggs spawning

Marine Animals without a Backbone Vocab Crossword

Type
Crossword
Description

animals without a backbone invertebrae
lacking symmetry or having parts that fail to correspond to one another asymmetrical
aka incurrent cells. what water enters through to get into a sponge pore cells
a flagellated, food trapping cell in sponges collar cells
to live permanently attached to the bottom or another surface sessile
animals that eat food particles suspended in the water spension feeders
type of spension feeders that filter the food particles filter feeders
an animals phylum consisting of sponges porifera
a drastic change from larvae to adult metamorphosis
transparent siliceous or calcareous supporting structure that can be many different shapes or sizes spicules
large opening at the top of a sponge where water leaves through osculum
elastic fibers made of protein that can help support the sponge spongin
aka amoebocytes which are cells that secrete spicules and spongin, transport and store food particles, and can repair any damage to the sponge by transforming itslef to another type of cell wandering cells
poriferan larva in which area of flagellate cells is equal to the area of non flagellate cells amphiblastula
the release of gametes into the water spawning

Sponge Crossword

Type
Crossword
Description

Absence of symmetry Asymmetry
Organisms that are Permanently attached to a surface are? Sessile
All animals consist of more than one cell, making them? Multicellular
Jelly-like substance found between the endoderm, and ectoderm of sponges Mesoglea
Also known as collar cells, they beat their flagellae to create a flow of water, and filter nutrients from water Choanocyte
Cells that supply the sponges other cells with nutrients Ameboecyte
Small pores on a sponges body that water and plankton enter through Ostia
A large opening out of which water exits a sponge Osculum
An animal that feeds by straining food particles out of water Filter Feeder
Whip-like appendage found on collar cells Flagellum
The most common type of sponge, accounting for over 80% of sponges Demosponge
Form of asexual reproduction in which a new organism grows directly from a parent organism Budding
Animal that has both male and female reproductive organs Hermaphrodite
Flexible fiber that composes a sponges skeleton (Not found in all sponges) Spongin
Phylum of animals that sponges belong to Porifera

Sponge Crossword by jenna

Type
Crossword
Description

food sticks to what kind of cell as it is transferred collar cell
are sponges symmetrical asymmetrical
what kind of feeders are sponges filter feeders
mesh-like internal skeleton is called what spicules
free swimming larvae of sponges are called what amphiblastula
what other name is for wandering cells amoebocytes
sponges have not back bone which classifies them as what invertebrates
sponges have holed cells called what pore cells
sponges are made out of what spongin
sponges can go through what kind of process metamorphosis
scattered or circular pores is called what porifera
water leaves the sponge by going through what exit osculum
eggs and sperm is released into the water, this is called what spawning
sponges are called what for being attached to some surface sessile

Marine Science Unit 3 - Vocab Crossword

Type
Crossword
Description

An organism without a backbone. Invertebrate
An organisms body parts fail to correspond; lacking symmetry. Asymmetrical
The tube like cell of sponges that forms a pore or ostium. Pore Cells
A flagellated food trapping cell of sponges. Collar Cells
An organism or biological structure permanently attached to a surface. Sessile
An organism who feeds on organic matter suspended in water. Spension Feeder
An organism who feeds on organic matter from the water using a specialized filter structure. Filter Feeder
A phylum of invertebrate animals having a cellular grade of construction without true tissue or organ formation. (Ex. Sponges) Porifera
The process of transformation from an immature to adult form through two or more distinct stages. Metamorphosis
Provides supportive structure and protection to various invertebrates. Spicule
A large opening at the top of a sponge where water exits. Osculum
The horny or fibrous substance found in the skeleton of many sponges. Spongin
A mobile cell moving in the bodies of invertebrates. Amebocyte
The free swimming larva of some sponges, consisting of a hollow mass of cells that can have flagella. Amphilblastula
The releasing of eggs or sperm into water by aquatic animals. Spawning

Sponges/Cnidarians Crossword

Type
Crossword
Description

Structurally simplest multicellular animals Sponges
Tiny pores that allow water to enter and circulate through series of canals Ostia
type of collar cells that have flagellum that create currents and thin collar that traps food choanocytes
Part of sponge where water exits osculum
transparent siliceous/calcareous supporting structure of sponges spicules
tough elastic fibers made of protein Spongin
type of reproduction that branches or break off and grow into separate sponges asexual
release of sperm into water broadcast spawning
Sometimes called coelenterates Cnidarians
similar parts of body arranged and repeated around central axis radial symmetry
Slender finger-like extensions used to capture/handle food Tentacles
Stinging structures found within cnidocysts Nematocysts
Form of cnidarian that is sac-like with mouth and tentacles oriented upward polyp
form of cnidarian that is bell-like and free-floating medusa
consist of feathery or bushy colonies of tiny polyps hydrozoans
Portugese man-of-war Siphonophore
larger jellyfish that swim with rhythmic contractions of bell Scyphozoans
mostly transparent, cube shaped, with four tentacles cubomedusae
anthozoans that have calcium carbonate skeletons corals
Common anthozoans that are colorful and have large polyps sea anemones
secrete tough, branching skeleton made of protein gorgonians
specialized nerve cells neurons
provide sense of balance statocysts

Porifera Crossword

Type
Crossword
Description

an opening into a vessel or cavity of the body ostia
where water is expelled from oscula
a flagellated cell with a collar of protoplasm at the base of the flagellum choanoctye
a moving cell archaeoctye
flat cells found on the outermost layer of a sponge pinacoyte
cells that secrete the mineralized structures sclerocyte
cells that secrete the mineralized structures spongocytes
simplest body structure in sponges asconoid
most complex body structure in sponges leuconoid
fills the space between the external pinacoderm and the internal choanoderm. mesohyl
fibrous substance found in the skeleton of many sponges. spongin
a minute sharp-pointed object spicule
the branched stemlike structure stolon
area of non-flagellate cells is very small parenchymula
having both the male and female reproductive organs monoecious
cluster of embryonic cells produced by a freshwater sponges gemmule
sedentary aquatic invertebrate with a soft porous body sponge
fixed in one place sessile
second most complex sponge sycnoids
pierce the walls of the sponge porocytes

Porifera Phylum Crossword

Type
Crossword
Description

Organisms that make up the phyla Porifera Sponges
The simplest phylum of the animal kingdom Porifera
The way sponges reproduce Asexually
What kind of feeder are sponges? Filter Feeders
What is the larval stage? Planktonic
What kind of environment do sponges live in? Aquatic
What is the support structuRe of sponges? Spicules
What kind of symmetry do sponges have? Asymmetry
What is an early (baby) sponge called? Gemmule
Sponges lack a spinal column, therefore making them an Invertebrate
The growing of more limbs after being abrogated Regeneration
Adult sponges are (movement) Stationary

Marine Ecology Crossword

Type
Crossword
Description

animal that eats fellow animals carnivore
orgaanism that breaks down other organisms decomposer
animal that feeds on bacteria detritus feeder
an eviroment with particuar types of organisms habitat
moving spontaneously motile
role, function or job niche
animal that eats both plants and animals omnivore
"floating animals" animal form of plankton zooplankton
common feeding at the same link on food chains trophic level
group of individuals population
region of a coasttline, usually indented estuary
bottom of a body of water (i.e the sea) benthic
rapid often unpredictable growth bloom
group consisting of both living organisms and the non living enviroment ecosystem
one of a subclass (Copepoda) of minute shrimp-like copepod
herbivores and carnivores that consume energy originally transformed into food by the primary producers consumer
those pelagic animals that are active swimmers nekton
substance required for growth nutrient
- upper portion of a lake, river or sea, sufficiently illuminated for photosynthesis to occur photic zone
animals having a backbone vertebrate
an animal that feeds by removing either living or dead material suspended in the water suspension feeder
one of a class (Bacillariophyceae) of microscopic plankton organisms diatom
the tendency of an object to rise or float buoyancy
tiny, hair-like projections cilia
an organism capable of synthesizing its organic nutrients directly from the sunlight energy or from inorganic nutrients autotroph
- a distinct feature of an organism that allows it to survive more easily in its environment adaptation
a simple plant, without a true stem algae
the vertical movement of water up to the ocean surface from the ocean floor upwelling
permanently attached; not free to move about sessile
the passively drifting or weakly swimming organisms in marine and freshwater habitats plankton
capture of light energy and its transformation into usable energy photosynthesis
an embryo larva
a group of interacting food chains food web