Ch. 17 & Circulation Word Scramble

Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.

Normal Size Small Size show me how

Question	Answer
______ are eukaryotic, multicellular, heterotrophic organisms that obtain nutrients by ingestion, and are able to digest their food within their bodies.	animals
animals cells lack...	cell walls
most animals have 2 type of cells which are?	muscle cells and nerve cells which control the mucles
sponges (phylum porifera) lack...	true tissue
refers to animals that are identical all around a central axis	radial symmetry
exists where there is only one way to split the animal into equal halves	bilateral symmetry
a fluid-filled space separating the digestive tract from the outer body wall	body cavity
If the body cavity is not completely lined by tissue derived from mesoderm, it is called a?	pseudocoelom
If the body cavity is completely lined by tissue derived from mesoderm, it is called a?	true coelom
_____ are animals without backbones and represent 95% of the animal kingdom.	invertebrates
_____ are characterized by the presence of body tissues, radial symmetry, and tentacles with stinging cells.	cnidarians
The basic body plan of a cnidarian is a sac with a __________	gastrovascular cavity
a central digestive compartment with only one opening	gastrovascular cavity
the body plan of Cnidarians has two variations which are?	the stationary polyp and the floating medusa
Cnidarians include...	jellyfish, sea anemone, coral, and hydra
Cnidarians are carnivores that...	use tentacles, armed with cnidocytes (“stinging cells”) for defense and to capture prey.
_____ are represented by soft-bodied animals and usually protected by a hard shell.	molluscs (phylum Mollusca)
Many molluscs feed by using a file-like organ called a ______ to scrape up food.	radula
the body of a mollusc has three main parts which are?	a muscular foot used for movement, a visceral mass containing most of the internal organs, and a mantle
a _____ is a fold of tissue that secretes the shell if present	mantle
what are the three major groups of molluscs?	gastropods, bivalves, and cephalopods
Gastropods include...	snails (protected by spiraled shell) or slugs and sea slugs snails (no shell)
Bivalves include...	clams, oysters, mussels, and scallops (have a shell divided into two halves hinged together)
Cephalopods include...	squids and octopus (typically lack an external shell and are built for speed and agility)
______ are the simplest bilateral animals.	flatworms (phylum Platyhelminthes)
Flatworms include....	tapeworms (taenia solium & taenia saginata), planaria, and flukes
The gastrovascular cavity of flatworms are...	highly branched and provide an extensive surface area for absorption of nutrients
______ have body segmentation, a subdivision of the body along its length into a series of repeated parts.	Annelids (phylum Annelida)
what are the three main groups of annelids?	earthworms, polychaetes, and leeches
The body of annelids includes...	a coelom and a complete digestive tract (a mouth and anus, and one-way movement of food)
phylum Nematoda (Roundworms) includes...	pinworms, heartworms, hookworms, trichinella (bore into muscles)
Arthropods (phylum Arthropoda) are named for their jointed appendages.	...
There are four main groups of arthropods:	arachnids, crustaceans, , and insects
Arachnids include...	spiders, scorpions, ticks, and mites
Crustaceans include...	crabs, lobsters, crayfish, shrimp, and barnacles.
Myriapods include...	millipedes (two pairs of legs pers seg) and centipedes (one pair of legs per seg)
Hexapods	insects (six legs)
Echinoderms (phylum Echinodermata)	show radial symmetry as adults but bilateral symmetry as larvae, have an endoskeleton, and have a water vascular system that facilitates movement and gas exchange
Echinoderms include...	sea stars, sea cucumber, sea urchins, and sand dollars
Vertebrates have...	unique endoskeletons composed of a cranium (skull) and a backbone made of a series of bones called vertebrae
Chordates (phylum Chordata) are...	vertebrates
all vertebrates are chordates but...	not all chordates are vertebrates
Chordates consists of three groups of invertebrates:	lancelets, tunicates, hagfishes
The two major groups of living fishes are the	cartilaginous fishes (sharks and rays), and bony fishes (ray-finned fishes and lobe-finned fishes)
Amphibians exhibit...	a mixture of aquatic and terrestrial adaptations (dual life cycles)
Amphibians include...	frogs, toads, salamanders, and nuts
Reptiles are all...	coldblooded (except for birds)
Reptiles include...	snakes, lizards, turtles, crocodiles, alligators, and birds
Mammals have two unique characteristics:	hair and mammary glands
There are three major groups of mammals:	monotremes, marsupials, and eutherians
monotremes include...	platypus
marsupials include...	kangaroos, koala, and opposum
eutherians include...	true placenta animals
primates, the mammalian group that also includes:	lemurs, gibbons, tarsiers, monkeys, apes and humans.
The heart has 4 chambers which are...	2 atria (L & R) and 2 ventricles (L & R)
Right side pumps for...	the lungs
Left side pumps for...	the whole body
the heart has 4 valves which are...	2 a/v valves and 2 semi-lunar valves
the 2 a/v valves =	right a/v valve (tricuspid) left a/v valve (bicuspid or mitral)
the 2 semi lunar valves =	pulmonary and aortic
RBC's =	erythrocytes (carry O2 and nutrients)
WBC's =	leukocytes (protection from infection)
Platelets =	thrombocytes (blood clotting)
liquid portion of blood =	plasma
Neutrophils =	increased bacterial infection
Lymphocytes =	increased viral infection
Monocyctes =	atypical ones/ suspect leukemia
Eosinophils =	parasitic work infection
Basophils =	allergic reaction
oxygen rich blood =	red
oxygen poor blood =	blue

Created by: kate0703