Category: Resources

Biomes of the World

%CODE1% Biomes of the World

 

T S O V C D A R P R L V T T S
Q S L U E I E B E G A L U D R
X T E S S M T T I V D E N B T
N A E R U E A O V O I M D H K
Z R U S O W R J I N T O R E R
T M N T H F C O H B R I A R E
S O L S N H N A V C E B C B C
C P E R F K Q I R I T A F I U
N R S A V A N N A N N Y C V D
F E N I R A M F D R I M U O O
G R A S S L A N D Z A V O R R
S U O U D I C E D G N J O E P
O H Z G L J Y X I B Y X F R W
U C T C T N Y A Q B A J S U E
X N B S O O T D E K P T N B X

Find each term and then number and define it on the back of this sheet.

 

ABIOTIC BIOME BIOTIC
CARNIVORE CONSUMER DECIDUOUS
DESERT FRESHWATER GRASSLAND
HERBIVORE INTERTIDAL MARINE
OMNIVORE PRODUCER RAINFOREST
SAVANNA TAIGA TUNDRA

 

 

 

 

 

Worms Puzzle

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Flatworms, Roundworms, & Rotifers
Fill in the blanks with the correct letters. The words in the list on the right provide a clue to the answer. 

1) _at_he _ m _ _ th_s phylum of flatworms
2) _ hre_ number of body layers in worms
3) b _ l _ te_al symmetry f flatworms
4) d _ rs _ l upper body surface of worms
5) _ en _ ral lower body surface of worms
6) _cto _ erm outermost cell layer of worms
7) _es _ d _ rm middle cell layer of worms
8) _ nd_der _ innermost cell layer of worms
9) _c _ e _ om_te solid body in flatworms
10) _oe _ o _ body cavity
11) _ast_ov _ sc _ l _ r gut with a single opening in flatworms
12) a _ sor_ti _ n how flatworms exchanges gases with their environment
13) _nte _ io _ head or front end of a flatworm
14) c _ ph _ li _ ati_n anterior end with sensory structures concentrated there
15) p _ r _ si_e worms that live on or inside the body of their host
16) _ur_ell _ r _ _ class of flatworms containing the frehwater planarian
17) p _ ar _ n_ extendable feeding tube on the underside of planarians
18) _ ucu_ secreted by planarians to glide across
19) f _ a_e excretory cells in worms that filter wastes
20) a _ _ lia clusters of nerve cells in worms
21) _erm _ _ hr _ di_es worms that make both eggs & sperm
22) _re _ a _ oda class of flatworms containg flukes
23) _ucke _ s found on the ends of flukes to attach to hosts
24) _e _ u _ ent tough outer covering on flukes
25) _ e _ to_a _ class containing tapeworms
26) s _ ol _ x anterior end of a tapeworm with hooks & suckers
27) _r_gl _ t_id _ reproductive sections of a tapeworm’s body
28) _e _ _ to_a phylum for roundworms
29) _a _ er shape of both ends of a roundworms body
30) _ ut _ cle protective noncellular layer of roundworms
31) a _ ca _ is roundworm found in pig & horse intestines
32) _ oo _ w_r_s intestinal parasitic roundworm with cutting plates in it’s mouth
33) _ri_h _ n _ _ is disease that result from eating infected undercooked pork
34) _i _ wo_m _ most common parasitic roundworm of children in the U.S.
35) _ot _ f _ ra phylum of worms with a crown of cilia surrounding the mouth
36) _as _ _ x muscular organ of rotifers to break down food
37) _se _ do_oel _ mat _ _ rotifers & nematodes are examples

 

 

Solution

 

 

Annelids and Mollusks Study Guide

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Annelids and Mollusks Quiz

 

  

Multiple Choice
Identify the choice that best completes the statement or answers the question.
 
 1.
Which of the following is not a characteristic of at least some mollusks?
a.
 a pseudocoelomate body plan
b.
 bilateral symmetry
c.
 a mantle
d.
 an open circulatory system
 
 2.
Which of the following has a true coelom?
a.
 flatworm
c.
 rotifer
b.
 roundworm
d.
 mollusk
 
 3.
The evolution of a coelom was significant because
a.
 more food could be stored within it.
b.
 more wastes could be stored before excretion.
c.
 it enabled development of more complex organ systems.
d.
 it eliminated the need for a circulatory system.
 
 4.
mollusks : a mantle ::
a.
 pseudocoelomate animals : true body cavities
b.
 roundworms : single-opening digestive tract
c.
 roundworms : coelom
d.
 mollusks : a coelom
 
 5.
The cilia of a trochophore
a.
 allow attachment to the ocean bottom.
b.
 create currents for drawing in food.
c.
 cover the entire larval body.
d.
 are necessary for reproduction.
 
 6.
Trochophores
a.
 occur in some mollusks’ life cycles.
b.
 possess a belt of cilia around their bodies.
c.
 occur in some annelids’ life cycles.
d.
 All of the above
 
 7.
A characteristic structure found in many mollusks is the radula, which is involved in
a.
 jet propulsion.
c.
 eating.
b.
 opening and closing of the shell.
d.
 reproduction.
 
 8.
Which of the following is a correct pairing?
a.
 phylum Platyhelminthes—hydra
b.
 phylum Nematoda—planaria
c.
 phylum Mollusca—octopus
d.
 phylum Annelida—roundworm
 
 9.
All of the animal phyla that evolved after the mollusks
a.
 are vertebrates.
c.
 have a coelom.
b.
 are prokaryotes.
d.
 lack mesoderm.
 
 10.
All of the following are classes of the phylum Mollusca except
a.
 bivalves.
c.
 gastropods.
b.
 cephalopods.
d.
 pseudopods.
 
 11.
Which of the following mollusks have a closed circulatory system?
a.
 snails
c.
 slugs
b.
 cephalopods
d.
 gastropods
 
 12.

mc012-1.jpg

Refer to the illustration above. Which two organisms have mantles?

a.
 1 and 3
c.
 1 and 4
b.
 2 and 3
d.
 2 and 4
 
 13.
Jet propulsion is the usual means of locomotion in water for
a.
 octopuses.
c.
 squids.
b.
 gastropods.
d.
 bivalves.
 
   
 
nar001-1.jpg
 
 14.
Refer to the illustration above. This organism is a
a.
 bivalve.
c.
 trochophore.
b.
 cephalopod.
d.
 gastropod.
 
 15.
Refer to the illustration above. Movement of this organism is dependent upon structure
a.
 1.
c.
 3.
b.
 2.
d.
 None of the above
 
 16.
Shells of mollusks
a.
 may consist of one or more pieces.
b.
 provide protection.
c.
 allow for the attachment of muscles.
d.
 All of the above
 
 17.
Adductor muscles are responsible for
a.
 moving the valves of bivalves.
b.
 extending the feet of mollusks.
c.
 pumping the hearts of mollusks.
d.
 fanning the gills of aquatic mollusks.
 
 18.
In an open circulatory system,
a.
 water is drawn into the mantle cavity to provide oxygen to body tissues.
b.
 lungs branch into small tubules to provide oxygen to tissues.
c.
 wastes are eliminated directly to the environment from the tissues.
d.
 blood is released directly into spaces in the body tissues.
 
 19.
Twisting of the visceral mass of gastropods is called
a.
 extension.
c.
 torsion.
b.
 inversion.
d.
 conversion.
 
 20.
Among the various species of gastropods, respiration may take place
a.
 with gills.
b.
 through the skin.
c.
 within the mantle cavity.
d.
 All of the above
 
 21.
All of the cephalopods
a.
 have eight tentacles.
b.
 are predators.
c.
 possess protective shells.
d.
 are filter feeders.
 
 22.
Jet propulsion in a squid is the result of
a.
 rapid closing of the organism’s shell.
b.
 strong contractions of the tentacles.
c.
 high-pressure discharge of fluid from the organism’s mouth.
d.
 the pumping of water through the siphon.
 
 23.
The only cephalopod that has retained its external shell is the
a.
 cuttlefish.
c.
 octopus.
b.
 chambered nautilus.
d.
 squid.
 
 24.
Segmented worms are known as
a.
 nematodes.
c.
 planarians.
b.
 annelids.
d.
 arthropods.
 
 25.
Each segment of an annelid
a.
 is capable of reproduction.
b.
 has a well-developed brain that allows the annelid to learn simple tasks.
c.
 has a pseudocoelom.
d.
 may contain some organ systems that duplicate systems in other segments.
 
 26.
An example of segmentation in humans is the
a.
 digestive system.
c.
 vertebral column.
b.
 skin.
d.
 brain.
 
 27.
The most significant evolutionary advancement of annelids over mollusks is believed to be
a.
 the ability to burrow.
c.
 segmentation.
b.
 the existence of a true coelom.
d.
 cephalization.
 
 28.

mc028-1.jpg

Refer to the illustration above. Which two organisms have segmented body plans?

a.
 3 and 4
c.
 1 and 4
b.
 2 and 4
d.
 2 and 3
 
 29.
true coelom : mollusks and annelids ::
a.
 tentacle : annelids
c.
 valve : annelids
b.
 siphon : annelids
d.
 segmentation : annelids
 
 30.
Coordinated movements of an earthworm’s body segments are possible because of the
a.
 development of an advanced brain.
b.
 ventral nerve cord and ganglia that carry impulses to the muscles.
c.
 presence of a true coelom in the earthworm’s body.
d.
 existence of a complete digestive system.
 
 31.
earthworm movement : circular muscles and setae ::
a.
 earthworm digestion : circular muscles and setae
b.
 earthworm digestion : seminal receptacles
c.
 earthworm reproduction : pharynx
d.
 earthworm respiration : skin
 
 32.
Small tubules that collect wastes from the coelom of annelids and discharge the wastes from the body are called
a.
 nephridia.
c.
 bivalves.
b.
 radulae.
d.
 spicules.
 
 33.
The digestive tube of the earthworm is divided into three regions. Which of the following is not among these regions?
a.
 crop
c.
 radula
b.
 intestine
d.
 gizzard
 
 34.
Which of the following is (are) not part of an earthworm’s body?
a.
 a heart
c.
 nephridia
b.
 gills
d.
 a typhlosole
 
 35.
The clitellum of an earthworm
a.
 contains the heart.
b.
 is associated with reproduction.
c.
 acts as a primitive respiratory system.
d.
 is necessary for movement.
 
 36.
Earthworms are considered to be beneficial to the environment because
a.
 they help release nutrients into the soil.
b.
 they aerate the soil as they move through it.
c.
 they break up the soil in which they live.
d.
 All of the above
 
 37.
squid motion : siphon ::
a.
 annelid motion : siphon
b.
 annelid breathing : nephridia
c.
 earthworm circulation : closed circulatory system
d.
 annelid motion : tentacles
 
 38.
The body of the water leech
a.
 has suckers on the front and back.
c.
 is segmented.
b.
 has no parapodia.
d.
 All of the above
 
 39.
Leeches
a.
 use suckers to aid in movement.
c.
 are segmented.
b.
 may be parasitic.
d.
 All of the above
 
 40.
leeches : blood ::
a.
 earthworms : small animals
b.
 earthworms : blood
c.
 marine polychaetes : small animals
d.
 marine polychaetes : blood
 
  

Completion
Complete each statement.
 
   41.
The ____________________ larva is a characteristic of some mollusks and annelids.
 
 

 
   42.
Constant beating of ____________________ in the mantle cavity of a clam causes a continuous stream of water to pass over the gills.
 
 

 
   43.
A tonguelike scraping organ used by some mollusks in feeding is called the ____________________.
 
 

 
   44.
An organ known as the ____________________ is an abrasive, tonguelike structure found in some mollusks.
 
 

 
   45.
A snail can pull its head into its mantle cavity because the cavity has moved to the anterior of the animal during a twisting process called ____________________ that occurs during development.
 
 

 
   46.
Water is drawn into the body of a clam through tubes called ____________________.
 
 

 
   47.
A bivalve’s shells close when the pair of ____________________ contract.
 
 

 
   48.
Structures in earthworms that function as simple kidneys are called ____________________.
 
 

 
   49.
The only living cephalopod that has retained its external shell is the _________________________.
 
 

 
   50.
Snails and slugs belong to the class of mollusks called ____________________.
 
 

 
   51.
Earthworms belong to the phylum ____________________.
 
 

 
   52.

co052-1.jpg

Refer to the illustration above. Structure X is the ventral ____________________ cord.

 
 

 
   53.
In anterior segments of annelids, several ganglia are fused to form the ____________________, which is the brain of these organisms.
 
 

 
   54.
An earthworm’s ____________________ produces a tube made of mucus and chitin that contains the eggs and sperm and allows development of an earthworm’s offspring.
 
 

 
   55.
Bristles that exist along the sides of an annelid are called ____________________.
 
 

 
   56.
Some leeches are ____________________; they feed on the blood of other animals.
 
 

 
   57.
The ____________________ are annelids that have many setae and parapodia, generally live in marine environments, and have antennae.
 
 

 

 

 
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Mollusks

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Mollusks

 

 

True/False
Indicate whether the sentence or statement is true or false.
1.
Mollusks must eat constantly because the functioning of their nephridia causes the disposal of useful molecules as well as of waste products.
2.
Unlike arthropods, mollusks are unsegmented; instead, they are divided into three regions.
3.
Mollusks have four distinct body parts: a foot, a head, a visceral mass, and a tail.
4.
In terrestrial snails, the mantle cavity functions as a simple lung.
5.
Most bivalves have separate sexes, but some are hermaphroditic.
6.
Due to the presence of a shell, all gastropods are capable of living on land for at least a portion of their lives.
7.
Since cephalopods have tentacles, they have no need for a radula.
 

Multiple Choice
Identify the letter of the choice that best completes the statement or answers the question.
8.
All of the following are characteristics of mollusks except that they have
a.
a pseudocoelomate body plan.
c.
a complete digestive tract.
b.
bilateral symmetry.
d.
an open circulatory system.
9.
The cilia of a trochophore larva
a.
allow attachment to the ocean bottom.
b.
create currents for drawing in food.
c.
cover the entire larval body.
d.
are necessary for reproduction.
10.
Trochophore larvae
a.
are found in molluscan life cycles.
b.
possess a belt of cilia around their bodies.
c.
occur in annelid life cycles.
d.
All of the above
11.
A characteristic structure found in many mollusks is the radula, which is involved in
a.
jet propulsion.
c.
eating.
b.
opening and closing of the shells.
d.
reproduction.
12.
All of the following are classes of the phylum Mollusca except
a.
bivalves.
c.
gastropods.
b.
cephalopods.
d.
pseudopods.
13.
The only mollusks that have a closed circulatory system are
a.
bivalves.
c.
chitons.
b.
cephalopods.
d.
gastropods.
      mollusks_files/i0160000.jpg
14.
Refer to the illustration above. Which two organisms in the diagrams possess mantles?
a.
Organisms “A” and “C”
c.
Organisms “A” and “D”
b.
Organisms “B” and “C”
d.
Organisms “B” and “D”
15.
“Jet propulsion” is the usual means of locomotion in water for
a.
arthropods.
c.
cephalopods.
b.
echinoderms.
d.
annelids.
      mollusks_files/i0190000.jpg
16.
Refer to the illustration above. The organism shown in this diagram is a
a.
bivalve.
c.
chiton.
b.
cephalopod.
d.
gastropod.
17.
Refer to the illustration above. This organism possesses a(n)
a.
simple lung.
c.
internal beak.
b.
closed circulatory system.
d.
open circulatory system.
18.
Refer to the illustration above. Movement of this organism is dependent upon the structure labeled
a.
“1.”
c.
“3.”
b.
“2.”
d.
None of the above
19.
Shells of mollusks
a.
may consist of one or more pieces.
c.
allow for the attachment of muscles.
b.
provide protection.
d.
All of the above
20.
Adductor muscles are responsible for
a.
moving the valves of bivalves.
c.
pumping the hearts of mollusks.
b.
extending the feet of mollusks.
d.
fanning the gills of aquatic mollusks.

 
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Moss & Fern Quiz

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Moss and Fern

 

 

True/False
Indicate whether the sentence or statement is true or false.
1.
Land plants have a complex life cycle that involves an alternation of generations between a haploid gametophyte and a diploid sporophyte.
2.
The sporophyte of a nonvascular plant is larger and lives longer than the gametophyte.
3.
The life cycle of nonvascular plants involves alternation of generations.
4.
Mosses, liverworts, and hornworts all are generally found in moist habitats.
5.
Nonvascular plants have true leaves but lack true stems and roots.
6.
Mosses and ferns no longer require the presence of a film of water for reproduction.
7.
Ferns need water to reproduce because their sperm must swim to eggs.
8.
Mosses are called pioneer plants because they can promote the development of new communities in barren areas that have been burned or destroyed by humans.
9.
Sphagnum moss is used in potting and gardening soils because of its ability to encourage water drainage.
 

Multiple Choice
Identify the letter of the choice that best completes the statement or answers the question.
10.
The ancestors of today’s land plants were probably
a.
brown algae.
c.
green algae.
b.
red algae.
d.
lichens.
11.
The challenges faced by early land plants included
a.
conserving water.
b.
reproducing on land.
c.
absorbing minerals from the rocky surface.
d.
All of the above
12.
The diploid form in a plant’s life cycle is called the
a.
sporophyte.
c.
parental generation.
b.
gametophyte.
d.
alternate generation.
13.
The haploid form in a plant’s life cycle is called the
a.
sporophyte.
c.
parental generation.
b.
gametophyte.
d.
alternate generation.
14.
Which of the following is not a bryophyte?
a.
moss
c.
hornwort
b.
liverwort
d.
fern
15.
Which of the following is not characteristic of all nonvascular plants?
a.
They produce seeds.
b.
They have an alternation of generations lifestyle.
c.
They produce spores.
d.
They require water for sexual reproduction.
16.
The water-retaining ability of sphagnum moss makes it ideal for
a.
using in garden-soil mixes.
b.
use in packing bulbs and flowers for shipping.
c.
use in houseplant soils.
d.
All of the above
17.
Similarities shared by monocots and primitive dicots suggest that
a.
monocots and dicots evolved independently.
b.
monocots were on Earth long before dicots.
c.
monocots evolved from dicots.
d.
dicots evolved from monocots.

 
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