en CR Biology Plus #3- Invertebrates 43 invertebrate : An _______ is an animal species that lacks a vertebral column. Ninetyeight : Scientists believe that as much as ____ percent of animals in the world are invertebrates. Polyp : A _____ is a immobile vase-shaped form of a cnidarian. Medusa : A ______ is a free-swimming, bell-shaped body formation of a cnidarian. Radula : Invertebrate mollusks feeding structure, known as a “rasping tongue” is called a ______. hermaphrodite : Snails are examples of hermaphrodites; they are able to produce both sperm and egg. HAM : The molluscan anatomy example’s initials are ____. platyhelminthes : The phylum name for invertebrate flatworms is _______. porifera : _______ is the name of the invertebrate sponge phylum. cilia : Ctenophores are invertebrates that use large groups of _____ for swimming. arthropods : Invertebrates that have an exoskeleton, segmented bodies, and jointed appendages are called ______. metamorphosis : Most Invertebrates go through a process of _______ as they grow. radial : Most echinoderms contain ______ symmetry. cnidarians : _________ include jellyfish, coral, and sea anemones colossalsquid : A ___________ is the world's largest arthropod. southafrican : The ___________ earthworm can grow to be up to 22 feet long. flatworm : A planarian is a non-parasitic ________, belonging to the phylum Platyhelminthes. bootlaceworm : The __________ can grow up to 180 feet long, and is the longest invertebrate. echinoderm : The _________ phylum has 6000 species and includes starfish and sea cucumbers. Cold : Invertebrates are _____ blooded, for they are unable to regulate their body temperatures. Crustaceans : Lobsters and Crabs are a part of the invertebrate group known as ______. Fluids : The pressure of body _______ helps invertebrates maintain their shape. Nemertea : _________ is the name given to phylum of ribbon worms. These worms range from less than one centimeter to 55 meters long. Pheromone : A __________ is a chemical that is released by one animal which affects the behavior of another animal of the same species Mollusca : The phylum _______ is the largest marine phylum, making up roughly 23% of all marine organisms. four : Arachnid is defined as a group of arthropods with ______ pairs of legs. annelida : “Segmented Worms,” or, “Ringed Worms,” are classified in the phylum annelida. parasite : An organism that lives in or on another organism (its host) and benefits by deriving nutrients at the host's expense is known as a parasite. asymmetrical : Some animals, such as the sea urchin are _________, have no distinct mirror image in their shape. sessile : A _______, such as a sponge or mussel, is an organism that is permanently attached to a surface. Thorax : The ______ of an insect is made up of three sections, each carrying a pair of legs. Open : Most invertebrates have an ____ circulatory system, and their blood can move freely around organs. Head : The ____ of an insect consists of one pair of compound eyes, up to three simple eyes, one pair of antenna, and mouthparts. Abdomen : The ______ is designed for reproduction, and holds all the respiratory and digestive organs. Arachnid: Although it is called a crab, the horseshoe crab is not a crustacean, but an ______. Stomach : The sea star is a carnivore and to eat their prey they push their ______ out their mouth and digest the animal. Regrow : The sea star can _____ any extremities that are cut off. Euastacus : The genus of freshwater spiny crayfish is ________. Odontodactylus scyllarus : _____________________ is the scientific name for the animal with the world’s fastest punch. Echinodermata : The phylum _______ is full of invertebrates with external skeletons of calcareous plates just underneath the skin. Urochordata : ___________ is the largest subphylum of invertebrates that have a notochord (chordates.) Nematoda : ________ is a phylum consisting of about 12,000 species of roundworms. Ophuiroidea : The class ________ is made up of brittlestars. Bryozoa : ______ is a phylum of invertebrates commonly known as moss animals. Comb : The _______ jellies most distinctive feature is the cilia that they use to swim. Cuttlebone : Only the cuttlefish has an internal shell called the _______. Paraponera : The ant genus ______ has only one living member, the bullet ant. Cave : The ____ cricket lives in complete dark and uses very long antenna to “feel” out the way to go. Appendage : An _________ is an exterior body part that protrudes from the body; it can be used for a variety of different functions. Odor : Some invertebrates, such as the male giant spiny stick, can defend himself with a pungent ____.

Biology Plus #3- Invertebrates

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Across:

1.	An _________ is an exterior body part that protrudes from the body; it can be used for a variety of different functions.
6.	_______ is the name of the invertebrate sponge phylum.
9.	The phylum _______ is full of invertebrates with external skeletons of calcareous plates just underneath the skin.
10.	The phylum _______ is the largest marine phylum, making up roughly 23% of all marine organisms.
12.	Ctenophores are invertebrates that use large groups of _____ for swimming.
13.	The _______ jellies most distinctive feature is the cilia that they use to swim.
14.	The ______ of an insect is made up of three sections, each carrying a pair of legs.
15.	Only the cuttlefish has an internal shell called the _______.
17.	Most echinoderms contain ______ symmetry.
20.	The sea star is a carnivore and to eat their prey they push their ______ out their mouth and digest the animal.
22.	_________ include jellyfish, coral, and sea anemones
24.	The ____ of an insect consists of one pair of compound eyes, up to three simple eyes, one pair of antenna, and mouthparts.
25.	________ is a phylum consisting of about 12,000 species of roundworms.
27.	The ______ is designed for reproduction, and holds all the respiratory and digestive organs.
28.	An organism that lives in or on another organism (its host) and benefits by deriving nutrients at the host's expense is known as a parasite.
29.	_________ is the name given to phylum of ribbon worms. These worms range from less than one centimeter to 55 meters long.
33.	The sea star can _____ any extremities that are cut off.
34.	A ______ is a free-swimming, bell-shaped body formation of a cnidarian.
36.	A _______, such as a sponge or mussel, is an organism that is permanently attached to a surface.
37.	Some invertebrates, such as the male giant spiny stick, can defend himself with a pungent ____.
38.	Scientists believe that as much as ____ percent of animals in the world are invertebrates.
41.	___________ is the largest subphylum of invertebrates that have a notochord (chordates.)
42.	The pressure of body _______ helps invertebrates maintain their shape.
43.	The ___________ earthworm can grow to be up to 22 feet long.

Down:

2.	A __________ is a chemical that is released by one animal which affects the behavior of another animal of the same species
3.	Snails are examples of hermaphrodites; they are able to produce both sperm and egg.
4.	The phylum name for invertebrate flatworms is _______.
5.	A planarian is a non-parasitic ________, belonging to the phylum Platyhelminthes.
7.	The class ________ is made up of brittlestars.
8.	Invertebrate mollusks feeding structure, known as a “rasping tongue” is called a ______.
11.	The ____ cricket lives in complete dark and uses very long antenna to “feel” out the way to go.
16.	The __________ can grow up to 180 feet long, and is the longest invertebrate.
18.	An _______ is an animal species that lacks a vertebral column.
19.	Some animals, such as the sea urchin are _________, have no distinct mirror image in their shape.
21.	Invertebrates are _____ blooded, for they are unable to regulate their body temperatures.
23.	Arachnid is defined as a group of arthropods with ______ pairs of legs.
26.	Most Invertebrates go through a process of _______ as they grow.
30.	Invertebrates that have an exoskeleton, segmented bodies, and jointed appendages are called ______.
31.	Although it is called a crab, the horseshoe crab is not a crustacean, but an ______.
32.	The genus of freshwater spiny crayfish is ________.
35.	Most invertebrates have an ____ circulatory system, and their blood can move freely around organs.
39.	A _____ is a immobile vase-shaped form of a cnidarian.
40.	The molluscan anatomy example’s initials are ____.

Biology Plus #3- Invertebrates

Across:

1.	An _________ is an exterior body part that protrudes from the body; it can be used for a variety of different functions.
6.	_______ is the name of the invertebrate sponge phylum.
9.	The phylum _______ is full of invertebrates with external skeletons of calcareous plates just underneath the skin.
10.	The phylum _______ is the largest marine phylum, making up roughly 23% of all marine organisms.
12.	Ctenophores are invertebrates that use large groups of _____ for swimming.
13.	The _______ jellies most distinctive feature is the cilia that they use to swim.
14.	The ______ of an insect is made up of three sections, each carrying a pair of legs.
15.	Only the cuttlefish has an internal shell called the _______.
17.	Most echinoderms contain ______ symmetry.
20.	The sea star is a carnivore and to eat their prey they push their ______ out their mouth and digest the animal.
22.	_________ include jellyfish, coral, and sea anemones
24.	The ____ of an insect consists of one pair of compound eyes, up to three simple eyes, one pair of antenna, and mouthparts.
25.	________ is a phylum consisting of about 12,000 species of roundworms.
27.	The ______ is designed for reproduction, and holds all the respiratory and digestive organs.
28.	An organism that lives in or on another organism (its host) and benefits by deriving nutrients at the host's expense is known as a parasite.
29.	_________ is the name given to phylum of ribbon worms. These worms range from less than one centimeter to 55 meters long.
33.	The sea star can _____ any extremities that are cut off.
34.	A ______ is a free-swimming, bell-shaped body formation of a cnidarian.
36.	A _______, such as a sponge or mussel, is an organism that is permanently attached to a surface.
37.	Some invertebrates, such as the male giant spiny stick, can defend himself with a pungent ____.
38.	Scientists believe that as much as ____ percent of animals in the world are invertebrates.
41.	___________ is the largest subphylum of invertebrates that have a notochord (chordates.)
42.	The pressure of body _______ helps invertebrates maintain their shape.
43.	The ___________ earthworm can grow to be up to 22 feet long.

Down:

2.	A __________ is a chemical that is released by one animal which affects the behavior of another animal of the same species
3.	Snails are examples of hermaphrodites; they are able to produce both sperm and egg.
4.	The phylum name for invertebrate flatworms is _______.
5.	A planarian is a non-parasitic ________, belonging to the phylum Platyhelminthes.
7.	The class ________ is made up of brittlestars.
8.	Invertebrate mollusks feeding structure, known as a “rasping tongue” is called a ______.
11.	The ____ cricket lives in complete dark and uses very long antenna to “feel” out the way to go.
16.	The __________ can grow up to 180 feet long, and is the longest invertebrate.
18.	An _______ is an animal species that lacks a vertebral column.
19.	Some animals, such as the sea urchin are _________, have no distinct mirror image in their shape.
21.	Invertebrates are _____ blooded, for they are unable to regulate their body temperatures.
23.	Arachnid is defined as a group of arthropods with ______ pairs of legs.
26.	Most Invertebrates go through a process of _______ as they grow.
30.	Invertebrates that have an exoskeleton, segmented bodies, and jointed appendages are called ______.
31.	Although it is called a crab, the horseshoe crab is not a crustacean, but an ______.
32.	The genus of freshwater spiny crayfish is ________.
35.	Most invertebrates have an ____ circulatory system, and their blood can move freely around organs.
39.	A _____ is a immobile vase-shaped form of a cnidarian.
40.	The molluscan anatomy example’s initials are ____.

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Biology Plus #3- Invertebrates

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Biology Plus #3- Invertebrates

Biology Plus #3- Invertebrates

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