unit 2 review. use the diagram below to answer this question. euglena are single-celled organisms....
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Unit 2 Review
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Use the diagram below to answer this question.
Euglena are single-celled organisms. The flagellum helps the organism move through water. Euglena are similar to plants in the way they obtain their food. Nina kept several euglena in a glass jar. She wondered what would happen if she covered the top half of the jar with black paper and placed it in sunlight. Which is the best prediction of how the euglena will respond to the change in the jar environment?
A. Most of the euglena will move to the bottom half of the jar. B. Most of the euglena will move to the top half of the jar.C.The euglena will spread out evenly throughout the jar.D. The euglena will move back and forth between both halves.
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Which of the following statements is NOT part of the cell theory?
• a. The most basic component of any organism is the cell.
• b. All cells originate from other cells.
• c. All cells have a nucleus and a cell membrane.
• D. All living things are made up of one or more cells.
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c. All cells have a nucleus and a cell membrane.
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Which of the following does NOT describe cells?
• a. All cells are surrounded by a cell membrane.
• b. All cells are able to survive on their own.• c. All cells come from other cells.• d. All cells contain cytoplasm
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b. All cells are able to survive on their own.
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A group of zebra fish swimming together make up a
a) Ecosystem
b) Community
c) Population
d) Biome
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The brain and spinal cord are two organs that work together to send
electrical impulses throughout the body. Together these two
makea) Nervous tissue
b) Nervous system
c) An organism
d) Specialized cells
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All cells have
A. a nucleus.
B. a cell membrane.
C. mitochondria.
D. a cell wall.
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B. a cell membrane.
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A long term relationship in which one organism benefits and the
other is unaffected is called
a. Parasitism
b. Commensalism
c. Mutualism
d. Predatory
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b. Commensalism
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Which of the following is NOT found in animal cells?
a. cell wall
b.cell membrane
c. lysosomes
d.ribosome
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a. cell wall
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The organelle in a eukaryotic cell that contains DNA and acts as a control center is the
a. endoplasmic reticulum.
b.ribosome.
c. nucleus.
d.Golgi complex.
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c. nucleus.
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A ____ keep(s) the cytoplasm inside and allow nutrients in and waste products out.
a. cell membrane
b.chloroplast
c. nucleus
d.mitochondria
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a. cell membrane
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The ____ is an organelle that is found only in plants and algae.
a. ribosome
b.endoplasmic reticulum
c. mitochondria
d.chloroplast
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d. chloroplast
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A paramecium (animal-like protist) uses _____________ for movement.
a. cilia
b.contractile vacuoles
c. euglena
d.eyespots
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a. cilia
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A cow bird eats the ticks off a cow. This is an example of _____ between the cow and bird
a. Commensalism c. Parasitism
b.Mutualism d. competition
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b. Mutualism
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How do protozoa obtain their energy?
a. Eat other organisms
b. Break down the remains of dead organisms
c. Produce their own food
d. None of the above.
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a. Eat other organisms
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23. An energy pyramid containing autotrophs and other organisms from a food chain is represented below.
Carnivores would most likely be located in
(A)level I, only (B)(B) level I and level II (C) level III, only(D) level II and level III
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(C) level III, only
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3. What is the correct series of steps for the movement of energy in a food chain?
a. producers consumers scavengers and recyclers sun
b. sun consumers producers scavengers and recyclers
c. sun producers scavengers and recyclers consumers
d. sun producers consumers scavengers and recyclers
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D.
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Which of the examples below can BEST be described as mutualism between animals?
a. a tapeworm lives in the intestine of a bird and consumes the food that the bird has eaten
b. mountain lions and wolves fight eachother for the same deer
c. a bird eats parasites off of a rhinoceros while the rhinoceros provides
protection to the bird d. rats live in the garbage dump of a town
and rarely interact with people
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5. Roberto feeds his pet iguana a mixture of salad greens, carrots, squash, crickets, and worms as part of his regular diet. What type of consumer is the iguana?
a. herbivore b. carnivore c. omnivore d. decomposer
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Which of these cells is a Plant Cell?
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Cell 1
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Which of the following is a biotic factor?
a) A herd of elephants
b) Water salinity
c) Humidity of the air
d) The amount of fertilizer in the water
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Which of the following organisms would have a chloroplast in their cells?
a) An elephant
b) A paramecium
c) Algae
d) E-coli
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A tapeworm that steals the nutrients from the food it’s host
eats would be an example of a) Commensalism
b) Parasitism
c) Mutualism
d) Predator/Prey Relationship
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The following is an example of what type of relationship?
a) Parasitism b) mutualism c) commensalism d) none of these
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What diagram shows energy lost as you move up a food chain?
a) Food chain
b) Food web
c) Energy Pyramid
d) symbiosis
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If a cell had no ribosomes, it would be unable to
a) Break down wastes in the cell
b) Manufacture proteins
c) Undergo cellular respiration
d) Release energy in the cell
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Which letter shows where cellular respiration takes place?
A
B
C
D
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Which letter shows an organelle that can only be found in a plant cell?
A
B
C
D
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Most Protist are
a) Prokaryotic
b) Multicellular
c) Unicellular
d) None of the Above