Invertebrates (2)

Question 1

Can be found in all sorts of habitats, from the deepest ocean trenches to the tops of the mountain

Answer 1

Mollusks

Question 2

Important part of the marine ecosystem and play a role in everything from cleaning up the ocean floor to providing food for other animal

Answer 2

Mollusks

Question 3

Which mollusks is extinct

Answer 3

Hyolitha

Question 4

How many classes does mollusks have

Answer 4

8

Question 5

Worm-like, shell-less mollusks with a radula (a rasping tongue like organ for feeding ) but no tentacles.

Answer 5

Aplacophora

Question 6

They live in deep ocean sediments and feed on microscopic organisms

Answer 6

Aplacophora

Question 7

These mollusks have a single, cap-like shell and are thought to be related to an ancient group that gave rise to other mollusks.

Answer 7

Monoplacophora

Question 8

They live in deep ocean hydrothermal vents and cold seeps

Answer 8

Monoplacophora

Question 9

Also known as chitons, these mollusks have a series of eight overlapping shell plates on their dorsal (back) side.

Answer 9

Polyplacophora

Question 10

They live in shallow marine waters and graze on algae

Answer 10

Polyplacophora

Question 11

The clams, oysters, mussels, scallops, and other shellfish with two hinged shells.

Answer 11

Bivalvia

Question 12

They live in marine, freshwater, and terrestrial habitats and feed on plankton or by filtering detritus (organic particles) from the water

Answer 12

Bivalvia

Question 13

The largest and most diverse class of mollusks, including snails, slugs, limpets, sea slugs and sea butterflies.

Answer 13

Gastropoda

Question 14

have two pairs of legs per body segment. They are detritivores that feed on decaying organic matter.

Answer 14

Diplopoda (Millipedes)

Question 15

have one pair of legs per body segment. They are predatory arthropods that feed on other invertebrates.

Answer 15

Chilopoda (centipedes)

Question 16

____ are an important part of the marine food chain.

Answer 16

Crustaceans

Question 17

They include crabs, lobsters, shrimp, and barnacles.

Answer 17

Crustacea (crustacean)

Question 18

have ten legs and live in water.

Answer 18

Crustacea (crustacean)

Question 19

include spiders, scorpions, mites, and
ticks.

Answer 19

Arachnida (arachnid)

Question 20

They do not have antennae.

Answer 20

Arachnida (arachnid)

Question 21

have eight legs and chelicerae, which are fangs used
for feeding.

Answer 21

Arachnida (arachnids)

Question 22

This is the largest and most diverse class of arthropods, with over a
million described species.

Answer 22

Insects

Question 23

Ihave three body parts (head, thorax, and abdomen), sixlegs, and one pair of antennae.

Answer 23

Insects

Question 24

They are found in nearly every habitat on Earth, and they
play important roles in pollination, decomposition, and the food chain.

Answer 24

Insects

Question 25

Arthropods have several key characteristics that set them apart from other animals. First, they have a hard exoskeleton made of ___ Second, arthropods have ___ bodies. This means that their bodies are divided into a series of rings, each of which can move independently. Third, arthropods have ____. These appendages can be used for walking, swimming, flying, eating, sensing their environment, and reproducing.

Answer 25

Chitin Segmented jointed appendages.

Question 26

largest phylum in the animal kingdom, with over ___million described species. They are found in nearly every habitat on Earth, from the deepest oceans to the highest mountains.

Answer 26

Arthropoda 10

Question 27

Some examples of ____ include:  Roundworm (Ascaris lumbricoides)  Hookworm (Necator americanus)  Pinworm (Enterobius vermicularis)

Answer 27

Secernentea

Question 28

This class includes most parasitic nematodes, as well as some free-living ones. They have phasmids and a more complex excretory system.

Answer 28

Secernentea

Question 29

They lack phasmids, which are sensory organs found near the tail in many nematodes. Their excretory system is simpler and they have a different structure in their mouthparts compared to Secernentea.

Answer 29

Adenophorea ( formerly aphasmidia)

Question 30

Some examples include: Vinegar eels (Caenorhavditis elegans) Dorylaimid nematodes Marine nematodes

Answer 30

Adenophorea

Question 31

This class consists of free-living nematodes, meaning they live in soil or water and are not parasitic.

Answer 31

Adenophorea

Question 32

These are internal parasites that live in the intestines of vertebrates. They have long, segmented bodies and lack a digestive system, absorbing nutrients directly from their host's food.

Answer 32

Cestoda (tapeworms)

Question 33

These are internal parasites that can infect a wide variety of animals, including humans.

Answer 33

Trematoda (flukes)

Question 34

They have complex life cycles that often involve multiple hosts. Some well-known examples of flukes include the liver fluke and the blood fluke.

Answer 34

Trematoda (flukes)

Question 35

They have hooks or clamps to attach themselves to their hosts and typically spend their entire lives on a single host.

Answer 35

Monogenea

Question 36

These are external parasites of fish, amphibians, reptiles, and some marine mammals.

Answer 36

Monogenea

Question 37

They have a simple digestive system with a single opening that functions as both a mouth and an anus. Some are known for their remarkable REGENERATIVE abilities.

Answer 37

Turbellaria (planarians)

Question 38

These are mostly free-living flatworms found in saltwater, freshwater, and moist soil.

Answer 38

Turbellaria (planarians)

Question 39

can have either a polyp body form or a medusa body form, or both. Some are solitary, while others are colonial. Colonial can form large colonies that look like plants or feathery structures. Some examples include hydras, Portuguese man o' war, and fire corals.

Answer 39

Hydrozoa

Question 40

are some of the most venomous cnidarians, and their sting can be deadly to humans. They are found in tropical and subtropical waters around the world. Some examples include the Irukandji jellyfish and the Australian box jellyfish.

Answer 40

Cubozoa

Question 41

these cnidarians are known for their cube-shaped bodies and four tentacles.

Answer 41

Cubozoa

Question 42

are known for their stinging cells, which they use to capture prey and defend themselves. Some examples include the lion's mane jellyfish and the moon jellyfish.

Answer 42

Scyphozoa

Question 43

They are free-swimming cnidarians with bell-shaped bodies and tentacles that drag behind them.

Answer 43

Scyphozoa

Question 44

mostly sessile, meaning they attach themselves to a substrate and don't move around much.

Answer 44

Anthozoa

Question 45

They come in a wide variety of shapes and sizes, and many species are brightly colored. Some examples include sea anemones, sea pens, and corals.

Answer 45

Anthozoa

Question 46

these cnidarians only have a polyp body form in their life cycle. They lack the medusa stage.

Answer 46

Anthozoa

Question 47

feed on detritus, or decomposing organic matter, that they suck up from the seafloor.

Answer 47

Holothuroidea (sea cucumber)

Question 48

are leathery elongated echinoderms with skin. They move by slowly contracting and expanding their bodies.

Answer 48

Holothuroidea ( sea cucumber)

Question 49

___have feathery arms that they use to filter food particles from the water.

Answer 49

Crinoidea (sea lilies and feather stars)

Question 50

live attached to the seafloor by a stalk. ____ are similar to ___ but they do not have a stalk and can move freely.

Answer 50

Feather stars Sea lilies

Question 51

They use their tube feet to move and feed on algae. ___ have a mouth on the underside of their body, while ___have their mouth on their upper side.

Answer 51

Echinoidea Sea urchins Sand dollars

Question 52

have a spherical or flattened body covered in spines.

Answer 52

Echinoidea (sea urchins and sand dollars)

Question 53

They can move very quickly by rapidly whipping their arms. Unlike sea stars, ___ can regenerate entire arms if they are broken off.

Answer 53

Ophiuroidea (brittle stars)

Question 54

resemble sea stars, but their arms are long and thin and sharply separated from the central disc.

Answer 54

Ophiuroidea ( brittle stars)

Question 55

They use their tube feet, tiny hydraulic structures on the underside of their arms, to move and feed.

Answer 55

Asteroidea ( sea stars)

Question 56

feed on the blood of vertebrates or invertebrates.

Answer 56

Hirudinea ( leeches)

Question 57

They lack both parapodia and bristles, and have suckers at both ends of their bodies for attachment.

Answer 57

Hirudinea (leeches)

Question 58

They are most familiar to us as earthworms, but also include freshwater worms like sludgeworms and tubificids. They use tiny bristles for locomotion.

Answer 58

Oligochaetes (few bristles)

Question 59

Oligochaetes means

Answer 59

Few bristles

Question 60

terrestrial or freshwater worms that lack parapodia and have a reduced head.

Answer 60

Oligochaetes

Question 61

They have a head with sensory organs and a distinct first segment. Comes in a wide variety of shapes and sizes, from tiny worms less than a millimeter long to giant deep-sea worms that can grow over 3 meters long.

Answer 61

Polychaetes

Question 62

Polychaetes means

Answer 62

Many bristles

Question 63

are mostly marine worms with well-developed appendages called parapodia on most segments, which they use for swimming, burrowing, and feeding.

Answer 63

Polychaetes

Question 64

They live in marine sediments and feed on plankton and other small organisms that drift by.

Answer 64

Scaphopoda

Question 65

also known as tusk shells, are foot-first burrowers with a long, pointed shell that is open at both ends.

Answer 65

Scaphopoda

Question 66

They live in marine habitats and are predators.

Answer 66

Cephalopoda

Question 67

the most intelligent and active invertebrates, including octopuses, squids, cuttlefish, and nautiluses. They have a well-developed nervous system and complex sense organs.

Answer 67

Cephalopoda

Question 68

live in a wide variety of habitats, including marine, freshwater, and terrestrial environments.

Answer 68

Gastropoda

Question 69

They have a single, coiled shell that they can withdraw into for protection.

Answer 69

Gastropoda

Question 70

predators, move fastly and 2 legs per segment

Answer 70

chilopoda

Question 71

scavenger of dead fish

Answer 71

hagfish

Question 72

long body and has a circle scales (kaliskis)

Answer 72

holocephali