Download PART I CHAPTER <^ STUDY GUIDE NA?1E 1. Animals without

PART I CHAPTER <^ STUDY GUIDE
NA?1E
1. Animals without backbones.
2. Animals withrhackbor.es
3- Organisms made up of many cells
Adaptation of a cell for a particular. use
5- The dependence of cells on^other^cells, or of organisms upon, other
organisms, for complete functioning
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6. Reproduction with no union invclved__
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7- Study of hpw a zygote forms ^a jzoraplete "raulticellular organism and how
cell specialization comes about1' —
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8. union of .egg and sperm
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9. An indentation that forms in a_blajjbula ...........__„.. __ __... - .. .._
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10. An early s^tage in the development :of 'an .embryo7 in : which cells have
divided to form a hollow sphere_________......- • - • • - • _ - _ _
11. The stage in embryo development during : which the primary germ layer
forma '• _
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12. process whereby cells fold inward during embryonic development
13. Why is gastrulation important? ••'•'
: 1i4.. The outer layer of cells of a 'simple-animal' body; in invertebrates,
the layer of cells from -which the -skin and' nervous-""system develop
15« The inner layer of cells of a -simple' animal;' in"invertebrates, the layer
of "cells from which the linings of. the digestive--,system, liver, lungsa
and other internal organs develop - -.- -.-• •- -.--:--- •••;::-. .-..-•
16. The middle layer of cells in an embryo -- • V_ '.. •
17. Outer'layer of-akin
.r.^_-15. Germ layer that will form part of the skin, the brain, hair, and nails
19- Genej?aliform of an organism
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20. Type symmetry possessed by an.organism that me«ts the environment on
all its surfaces
21 . What type symmetry does a sea anemone possess? ,
22. What type symmetry does an animal that is similar on two sides possess?
23. What does bilateral symmetry mean?
21).. Upper surface of an animal
25- Lower: surface of an animal
26. pront_
27. Rear
20. simplest of all living animals
29. Sponge•phylum
30. Describe ..the .structure and environment of'sponges.
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Structures, that form the skeletons of certain sponges
Noncellular skeletal structures-'that help support -the body of a
sponge
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TO which kingdom do the sponges [belong? ; -,.-• •:.-•• j - .-• .-• • •
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How are.sponges c l a s s i f i e d ? . -:-.— '• ---.'-.•••.•' •- •.-•-.
What materials are spicules made:of??
Fibrous network of tough, flexible material-sthat-rmake.nup certain
sponges
••'••*•-•?!>'' • • :~ •: y^-'\?r- -srl? ac. * :.-\--• ..- \- . 37. .Term which means a sponge is permanently:attached ^tp--something by'its
base
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3B. Ability'to regrow-damaged-or missing.parts•?_--;•-• •••:
39. Digested food and oxygen are transported to all cells of a sponge by
14.0. Cells that break off from the parent sponge to form new sponges
Ij.1 . what type symmetry does a sponge usually..po'sse.ss?.Li.: •-•..-.
i|.2._ 4ct as. .living filters .because-they r??emove_;smallT food particles from
the water..they .pump. thro_ugh .their bodies nofi^ ^ r r ^o '--c- ''• ^ • ••'
43. A hole in the sponge through which water is famed out
iiif. A hole in a sponge through which water passes "into, the -sponge ..
45»- What'is the meaning of the -'term' pori'f;er'a?;r"" :'r'I- ' :'
^6. Referred to as filter-feeders' •:
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[4.7. Flagellated cells of a sponge that set up currents' to draw water into
the sponge (2 terms)
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i|.b. in irhat,.3 ways do sponges" reproduce a'sexuaJly?''
•i|9. What, method of asexual reproduction occurs during periods, of freezing
temperature or drought?
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50. in-what'type environment is reproduction by:gemmuies"usually found?
51. Describe sexual reproduction-:ih sponges;
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PART II CHAPTER
STUDY GUIDE
NAME
1. phylum which includes the "stinging celled" animals
2. List some animals found in this' phylum ($!')'
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in what type environment do most coelenterates
what 2 germ layers are found in-the coelenterates?
What does coelenterata mean?
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To which kingdom do the eoelenterates belong?
A common freshwater coelenterate
HOW do hydra attach themselves to rocks and water plants?
HOW do hydra move?
jellylike material that separates "the two •cell layers in coelenterates
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171b".
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The outside cell layer in a hydra
what is the hollow cavity of a .hydra called?—'
what is #11 formed from?
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what is the inner layer of cells in the hydra called?
A long appendage of certain coelenteratesj a "feeler"
How are undigested materials removed from hydra?
HOW are metabolic wastes removed from hydra?
How does a hydra acquire food?
Referred to as "chunk feeders"
A "stinging cell" in coelenterates
In the hydra, how are gases exchanged for respiration
22. A primitive type of nervous system which allows coelenterates to
react strongly to a stimulus.
23. Where is the nerve net in the hydra located?
2i|. How do hydra reproduce asexually (2 ways)?
25. When does sexnal reproduction occur in hydra?
26. in the hydra where are eggs"produced?
27. Where are sperm produced?
2b. what is the term which means that an organism contains the reproductive
organs of both sexes?
29. What are the two different body types of c6elenterates?
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30. what is the form of the coelenterates that has a tubular body with a
basal disk at one end and tentacles at the other?
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31 . What is the form of the coelenterates that is bell-shaped and freeswimming?
32. small, oval-shaped, ciliated larvae of jellyfish
33. Only polyps of economic importance; used in jewelery, flower arrangements, and as pure decoration
3i|.. What is the skeleton of coral made from?
35. What type coral reef forms close to a beach?
36. What type coral reef forms a ring around an island with a wide stretch
of water separating it from the beach?
37• What type coral reef is a ring with an open lageon in the middle?
38. The behavioral responses of a hydra are due to Its
39. An example of a coelenterate whose life cycle includes a colony of
polyps^
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14.0. What type symmetry is exhibited by the coelenterates?
lj.1 . What body form is the hydra an example of?
lj.2. What body form is the jellyfish.an example of?