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15
×
What is another word for a heterotroph
plant
producer
decomposer
animal
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15
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the structure that controls the movement of materials into and out of the cell
vacuole
cell membrane
cell wall
nucleus
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banana
Go to last place!
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seesaw
Swap points!
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gift
Win 15 points!
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baam
Lose 10 points!
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15
×
What is the main source of oxygen for an ecosystem?
snails
fish
green plants
sunlight
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15
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Organisms with favorable traits reproduce more successfully than organism's with less favorable traits. This statement describes:
survival of the fittest
over production
use and disuse
inheritance
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15
×
Heredity information is found in cell's
chloroplasts
chromosomes
cytoplasm
membrane
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15
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In a certain species of army ant, the gene for long jaws (M) is dominant. If they wanted ants with only long jaws, which cross should they use?
Mm x Mm
mm x mm
MM x mm
mm x Mm
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15
×
In an energy pyramid, where are plants located?
consumers
secondary consumers
producers
decomposers
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15
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Where does the energy come from originally in an ecosystem
sun
clouds
deer
water
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lifesaver
Give 10 points!
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seesaw
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gift
Win 25 points!
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baam
Lose 25 points!
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15
×
___________ are located on chromosomes
nuclei
pedigrees
DNA
genes
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thief
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5
10
15
20
25
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gift
Win 20 points!
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gift
Win 20 points!
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baam
Lose 15 points!
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15
×
How does natural selection operate to cause change in a population?
ALL members adapt to environmental changes
members differ so that only some survive when e't changes
members are equally able to survive if e't changes
members do not adapt to environmental changes
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15
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The diagram shows the "family tree" of some animals. According to the diagram, which animal has the most recent common ancestor?
amphibians and birds
fish and primates
fish and rodents
reptiles and birds
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15
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The diagram represents one life process that takes place in a leaf. Which life process is shown?
reproduction
photosynthesis
respiration
digestion
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15
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What percentage of offspring could be green?
50%
0%
100%
25%
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