PCC Mr. Reid Biology Test 3 Questions and Answers
Practice questions for this set
Learn 1 /7 Study with Learn
1. Ectoderm
2. Endoderm
3. Mesoderm
Choose an answer
1 What is the ectoderm? 2 What are the 3 parts to an embryo?
3 What is a nerve net? 4 Two types of symmetry
Don't know?
Terms in this set (173)
1.Ectoderm
What are the 3 parts to an embryo? 2. Endoderm
3. Mesoderm
What is the ectoderm? outside layer of embryo
what is the endoderm? inside layer of embryo
What is the mesoderm? Middle layer of an embryo
, Zygote is another name for... embryo
1.Radial
Two types of symmetry
2. Bilateral
· Special creation of kinds
Characteristics of animal origins and
· Complex from the beginning
diversification
· "Explosion"
· Sponges
· Means "pore bearing"
Characteristics of phylum porifera
· Suspension feeder
· Hermaphrodites
What is a suspension feeder? What is an -Moving water through organism, capturing food through this
example of a suspension feeder? -Sponges
· Jellyfish, cnidarians, sea anemone, coral, polyps
· Gastrovascular cavity (stomach)
Examples of phylum cnidaria · Nerve net instead of brain
· hydrostatic skeleton
· Cnidocytes with nematocysts (stinging cells)
Example of of cnidarians Medusa (swimming jellies)
1. Coral
Examples of polyps 2. Sea anemone
3. Portuguese man-of-war
Another name for the gastrovascular Stomach
cavity?
What is a nerve net? series of interconnected nerve cells acting like a brain
· Only works in water
Characteristics of a hydrostatic skeleton · Starfish have this
· Pumps water through body
-Worms
Examples of organisms (phylum
-Flatworms
Platyhelminthes)
-tapeworms
· Free-living
Characteristics of flatworms
-Examples: Planaria, Marine worms
Planaria and marine worms are examples 1.phylum Platyhelminthes
of... 2. Flatworms
1.Flukes
What are some parasitic flatworms?
2. Tapeworms
-All have a snail intermediate host
Characteristics of flukes
-Schistosoma
-Head is scolex
Characteristics of tapeworms -Proglottids (sections of body)
-Each produces eggs
Which organism must use a snail as an Fluke (parasitic flatworm)
intermediate host?
What is a scolex? Head of the tapeworm
What is a proglottid? Sections of a tapeworm's body that produces eggs
What is another name for phylum annelida? segmented worms
Practice questions for this set
Learn 1 /7 Study with Learn
1. Ectoderm
2. Endoderm
3. Mesoderm
Choose an answer
1 What is the ectoderm? 2 What are the 3 parts to an embryo?
3 What is a nerve net? 4 Two types of symmetry
Don't know?
Terms in this set (173)
1.Ectoderm
What are the 3 parts to an embryo? 2. Endoderm
3. Mesoderm
What is the ectoderm? outside layer of embryo
what is the endoderm? inside layer of embryo
What is the mesoderm? Middle layer of an embryo
, Zygote is another name for... embryo
1.Radial
Two types of symmetry
2. Bilateral
· Special creation of kinds
Characteristics of animal origins and
· Complex from the beginning
diversification
· "Explosion"
· Sponges
· Means "pore bearing"
Characteristics of phylum porifera
· Suspension feeder
· Hermaphrodites
What is a suspension feeder? What is an -Moving water through organism, capturing food through this
example of a suspension feeder? -Sponges
· Jellyfish, cnidarians, sea anemone, coral, polyps
· Gastrovascular cavity (stomach)
Examples of phylum cnidaria · Nerve net instead of brain
· hydrostatic skeleton
· Cnidocytes with nematocysts (stinging cells)
Example of of cnidarians Medusa (swimming jellies)
1. Coral
Examples of polyps 2. Sea anemone
3. Portuguese man-of-war
Another name for the gastrovascular Stomach
cavity?
What is a nerve net? series of interconnected nerve cells acting like a brain
· Only works in water
Characteristics of a hydrostatic skeleton · Starfish have this
· Pumps water through body
-Worms
Examples of organisms (phylum
-Flatworms
Platyhelminthes)
-tapeworms
· Free-living
Characteristics of flatworms
-Examples: Planaria, Marine worms
Planaria and marine worms are examples 1.phylum Platyhelminthes
of... 2. Flatworms
1.Flukes
What are some parasitic flatworms?
2. Tapeworms
-All have a snail intermediate host
Characteristics of flukes
-Schistosoma
-Head is scolex
Characteristics of tapeworms -Proglottids (sections of body)
-Each produces eggs
Which organism must use a snail as an Fluke (parasitic flatworm)
intermediate host?
What is a scolex? Head of the tapeworm
What is a proglottid? Sections of a tapeworm's body that produces eggs
What is another name for phylum annelida? segmented worms
