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15
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Capital letters represent
dominant alleles
mutations
recessive alleles
adaptations
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seesaw
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rocket
Go to first place!
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gift
Win 15 points!
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thief
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25
15
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How does natural selection operate to cause change in a population?
members differ so that only some survive when e't changes
ALL members adapt to environmental 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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Most of the energy in a food web is supplied by the
deer
vulture
green plants
bacteria
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15
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Bacteria and fungi that break down dead plants and animals and return nutrients to the soil are called
producers
carnivores
decomposers
consumers
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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:
inheritance
use and disuse
over production
survival of the fittest
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15
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Living things are group as consumers, producers, or decomposers according to
how they obtain energy
where they live
their size
how they move
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15
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Which of the following is the correct order from simplest to most complex?
cell-system-tissue=organism-organ
cell-organism-organ-system-tissue
cell-organism-tissue-system-organ
cell-tissue-organ-system-organism
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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?
respiration
reproduction
digestion
photosynthesis
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15
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What is the main source of oxygen for an ecosystem?
sunlight
snails
fish
green plants
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banana
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seesaw
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gift
Win 20 points!
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baam
Lose 5 points!
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15
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the structure that controls the movement of materials into and out of the cell
cell wall
cell membrane
vacuole
nucleus
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15
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Which trait is dominant: green or yellow
green
yellow
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15
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Overpopulation of any species harms the environment due to
recycling of resources
decreased use of resources
increased use of resources
production of extra resources
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boom
Lose 50 points!
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gold
Win 50 points!
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shark
Other team loses 10 points!
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thief
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25
15
×
The arrows in a food chain represent :
energy flow
carbon dioxide
water evaporation
sunlight
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