Name:__________________
Date:________________
1. About _ _ % of all animals are invertebrates.
2. Invertebrate animals do not have a ________.
3. The phylum ________ are sponges.
4. There are about _ _ _ different species of sponges, and _ _ % are marine.
5. "Marine" means that they live in ____ _____, such as an _____.
6. Sponges are _______ feeders, which means that they use their body as a ______ to ____ food.
7. Sponges have a skeleton composed of hard structures called ________ which attach the sponge to the bottom of the ___.
8. Spicules can be composed of _______, _______ or _____.
9. Sponges are ______ on the inside and have cells called "______ _____" which contain either ________ or ______.
10. ________ or _____ move to create a current to assist the sponge in trapping ____.
11. Sponges have "________" cells which actually absorb the food.
12. Sponges reproduce sexually, and asexually by _______.
13. If a sponge is broken into pieces, each piece can become a new _____.
14. Freshwater sponges are called ___________.
15. If the freshwater supply evaporates, ___________ become dormant and form a _______.
16. The ______ is a demospongia covered with hard _____ which prevents the demospongia from ______ ___. When the freshwater returns, the _______ goes back to active _____-____.
17. The phylum Cindaria include ___ ______, _____, _______ and _____-____.
18. All Cindaria are marine except for _____.
19. Many Cindaria have tentacles with ____________ on their ends.
20. Hematocysts are _____ _____.
21. The phylum ____________ are the flatworms.
22. Examples of parasitic flatworms are ______ and _________.
23. A fluke causes ______________, a disease that affects _ _ _ _______ people world wide. This fluke attacks the _______ causing progressive ________. It often takes _ _ years to die from _________________.
24. _________ are parasites which have no digestive system of their own, so they attach to the intestines and eat the food which we ______.
25. The longest tapeworm ever passed by a person was _ _ meters.
26. Tapeworms attach to the wall of the intestines using their _______.
27. The _______ is the head of the tapeworm which is composed of _____ for _________, and _______ for drinking food.
28. Tapeworms are composed of segments called ___________. Each __________ grows in size and ________ releasing ____, each of which becomes a new ________.
29. _____________ means one body having both sex parts.
30. Humans most often get tapeworms from undercooked ____, ____ or ____.
31. Tapeworm eggs can withstand _______ _____.
32. Children sometimes get tapeworms by playing with the _____ in the ______ box of a cat.
33. The primary symptom of tapeworms is ______ ____
34. The phylum Nematoda are the __________.
35. __________ are cylindrical in shape and vary in length from __________ to _ _ inches.
36. Unlike flatworms, roundworms have a ________ ___ which begins with a _____ and ends with an ____. Therefore, they are usually able to ______ food.
37. Roundworms have no _____ or _____.
38. The roundworm ___________, causes the disease called trichinosis.
39. People get trichinosis from eating undercooked ____.
40. Trichinella get into _______ and leave _______ ________ which effect ______ ___________.
41. Trichinosis can affect the _____.
42. The roundworm _______, parasitizes human lungs.
43. The phylum _______ are the segmented worms.
44. Earthworms belong to the phylum ________.
45. Each segment of the earth worm has _____ which contain ______ made of ______.
46. These ________ allow the earthworm to ____ and to ______ into soil.
47. Earthworms can also move by _______.
48. Earthworms have a head and a _______ _______ ______.
49. Earthworms have a closed __________ ______ in which blood is pumped by ______.
50. Most earthworms feed on ___________ vegetation causing it to _________ faster.
51. Leaches are in the phylum ________.
53. The tail sucker of a leach is used to _____ on to a _____ and the head sucker
is used to ____ _____ from the ____.
1. The members of the phylum ___________ all have jointed legs.
2. There are more species of __________ than any other phylum.
3. The word "arthropod" means _______ ___.
4. Arthropods have a hard __________ which is usually composed of a substance
called ______.
5. As arthropods grow, they must ____ or ____ and grow a new _________.
6. Arthropods have a _________ system, which can be either _____ or ____ _____.
7. ________ are arthropods with gills.
8. _____ are folded tissue which is lined with _____ _______.
9. Gills function to remove ______ from _____.
10. ____ _____ have blood vessel lined surfaces which look like the _____ of a
book.
11. ____ ______ get oxygen from ___.
12. _______ are arthropods with book lungs.
13. Arthropods do not ____ well.
14. Arthropods usually have good ___ _____.
15. Many arthropods have ________ ____ that are made up of many little ____.
16. The subphylum chelicerata include _________ _____, _______, ________, _____
and ____.
17. Mites are also called ___ ____.
18. Red bugs are ____ parasites.
19. People ______ and ____ red bugs in just a few days.
20. Except for horseshoe crabs, all chelicerates have _____ legs.
21. Spiders have ____ pais of walking legs, plus other __________ that look like
legs.
22. The chelicera is actually the spider's _____ used for _______ juices from the
body of its victims and ______ and _________ its victim.
23. The spider's _________ are used to subdue its victims.
24. Spiders do not ___ well, but are good at _________ ________.
25. When prey get caught in the spider's web, it is the ________ which alerts the
spider to the captured ____.
26. Most spiders have ____ on their body to assist them in feeling ________.
27. Spiders spin ____-____, sticky ____ to catch prey.
28. Spider webs can be used to make ____.
29. Spiders are beneficial because they _____ and _____ _______.
30. Two spiders which are dangerous are the ____ ____ and the _____ _______, both
of which have ___ markings on their _______.
31. Spiders belong to the class known as the _________.
32. Spiders are not _______.
33. Spiders have _____ legs and insects have ___.
34. Spiders have a ______ eye and insects have ________ eyes.
35. The subphylum crustacea include _____. ______. _______ and _________.
36. Most crustaceans live in the _____.
37. Crabs and lobsters have _______ to help them catch food.
38. Crabs have a shell called a ________.
39. As crabs grow, they regularly ____ their shell to grow a ______ one.
40. When crabs are without carapace they are called ____-_____ crabs.
41. The subphylum uniramia include the _________ and the _________.
42. The word "millipede" means a ________ ____, but in fact they have _____ legs
than this.
43. The word "centipede" means a _______ ____, but in fact they have ____ than
this number.
44. Millipedes are __________ and eat decayed _____ matter.
45. Centipedes are _________ and have _____, _____ ______ and a ______ on their
tail.
46. Centipedes prey primarily on _______.
47. The phylum insecta includes all of the _______.
48. Insects usually have ___ legs, _______ and _____.
49. Insect's mouths usually have _____ parts and are adapted for a particular
____.
50. Grasshoppers have _______ mouth parts.
51. Mosquitos have _______ mouth parts.
52. Butterflies have _________ mouth parts for getting ______ from _______.
53. The house fly has _______ mouth parts for _______ up liquid food.
54. The phylum mollusca include _____, _______, ______ and _______.
55. Most mollusks have a shell that is made of _______ _________.
56. The shells of mollusks formed most of the _________ and ______ which exists
on earth.
57. ______ is formed from heat and pressure on _________.
58. Mollusks have a ______, which is a folding of soft tissue on the edge of their
_____.
59. The mantle is the place where the ____ is being ________.
60. The class of mollusks called __________ have a foot on their belly.
61. An example of a gastropod is the _____.
62. When a snail lacks a shell it is called a ____
63. Snails and slugs walk on their _____.
64. Most snails are ______, but some do live on ____.
65. Marine snails have _____ for breathing.
66. Land snails are called _________ snails.
67. The ______ snail can be as big as _ _ pounds.
68. The class of mollusk called bivalvia include _____, _______ and _______.
69. Clams and oysters move by ___ __________.
70. The class of mollusks called cephalopods have a foot on their ____.
71. Examples of cephalopods are _______, _____ and ________.
72. Most cephalopods have ______, _________ and ____.
73. Octopus have their shell ______ of their body.
74. Octopus secrete an ____ substance which the ____ out to help them ______ from
_________.
75. The _____ _____ is the largest cephalopod. It can be up to _ _ meters in
length and has been know to eat ______.
1. The phylum echinodermata include the ________, ___ ______ and ___ _________.
2. The word "echinoderm" means _____ ____.
3. Echinoderms all have a ____ somewhere at sometime of their life.
4. Starfish move by way of ____ ____.
5. Tube feet are ______ through which water is pumped with a great deal of _____.
6. The hydraulic system of a starfish is so powerful that its force can be used
to open ____ ______.
7. A starfish consumes a clam by turning its ________ inside out and sticking its
_______ into the clam shell to _______ the clam.
8. Sea urchins are sometimes called ____ _______.
9. Sea urchins use the ______ of their skin to move about to _____ on _____, _____
or ____ ____.
10. All echinoderms have ______ _______ and have no _____.
11. The phylum chordata have a _____ ____ which runs much of the length of the
body.
12. All chordates have a ________.
13. A ________ is specialized tissue that supports the never cord.
14. Our _______ make up our notochord.
15. At sometime in their development chordates have _______ _______.
16. ________ _______ look like gill slits.
17. Humans have ________ _______ before we are born.
18. The subphylum called ________ have a notochord composed of ________.
19. The vertebra of ___________ do not have to be made of ____.
20. The shark and the ray have vertebra made of _________.
21. Sharks have no ____, as their skeletal structure is made up entirely of
________.
22. Sharks have been in existence for _ _ _ _______ years.
23. Sharks have no ____ (___) _______ to keep them afloat.
24. Sharks must keep in almost ________ ______ to avoid sinking to the bottom of
the sea.
25. Some scientists believe that sharks do not _____.
26. The class of vertebrates known as amphibians include _____, _____, ___________
and _____.
27. The class of vertebrates known as reptiles include the ______, ________,
_________, _________, ______ and _______.
28. All reptiles have ______.
29. The _____ of a turtle are fused into a _____.
30. Amphibians, reptiles and aves are all ___ layers.
31. All birds have _______. However, all birds do not ___.
32. The _______ and the _______ are two birds that do not fly.
33. The class of vertebrates known as mammalia have _______ ______ which produce
milk for the __________ of their young.
34. All mammals have ____.
35. List seven (7( mammals.
36. The order of mammals called ________ include _____, _______ and ___.
37. Monkeys have a _____ and apes do not.
38. Most primates can stand erect on their hind legs to allow their _____ to be
____.
39. Most primates have an _________ _____ to assist in grasping.
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