Science Test 4/2/08
This is the set for the test on April 2, 2008 (Wednesday) for science... Mr. Hueyopa! My advice: prompt with term... it's easier
Terms
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- Hard thin plates that cover the skin and protect the body of a fish are called?
- scales
- What was the name of Darwin's book?
- On the Origin of Species by Means of Natural Selection
- Describe the bony fish.
- have fleshy fins, resemble ancestral fishes, have one lung
- Name four evidence of evolution.
- homologous structures, molecular biology, taxonomy, comparative embryology
- Which type of fish is the most abundent?
- bony fish
- What are the types of evolution?
- macroevolution and microevolution
- What is comparative embryology?
- the study of structures that appear during embryonic development
- Describe the jawless fish.
- Round toothed mouth, tubelike bodies, scaleless
- What is evolution?
- adaptation over time
- What is taxonomy?
- classification of life forms
- The fish's three systems:
- lateral line, smell, heart
- What is homologous structures?
- structures that are similar because of common ancestry
- What are the gills used for in a fish?
- to extract oxygen from water
- Describe the cartilaginous fish.
- moveable jaws, well developed teeth, scales
- What ship did Darwin sail on?
- Her Majesty's Ship
- notochord, postanal tail, nerve chord, and gill slits
- What are the four characteristics of a chordate?
- Do fish chew most times?
- no
- What type of skeleton do vertebrates have?
- endoskeleton
- Define and endotherm.
- warm-blooded
- What is molecular biology?
- DNA and proteins
- What are the three types of fish?
- jawless, cartilaginous, and bony
- The sense pressure organ in a fish is known as the...
- lateral line
- What are the four types of scales?
- placoid, ganoid, cycloid, ctenoid
- What is artificial selection?
- selective breeding of domesticated plants and animals by man
- What type of eyes do the tilapia have?
- simple
- Define an ectotherm.
- cold-blooded
- Explain Darwin's theory of natural selection.
- individuals with favorable traits
- How many gills does a tilapia have?
- 4
- How old is the vertebrate origin?
- about 420 million years old
- What is the liver connected to?
- the stomach
- Who was Darwin influenced by?
- Charles Lyell