30 points
forest fires were observed in some regions of australia. these regions’ forest...
30 points
forest fires were observed in some regions of australia. these regions’ forests were abundant with eucalyptus trees, which are a source of food for koalas. the forest fires led to for the koalas living in the forest. this change in the ecosystem led to in the forest.
1.
a. increased food supply
b. loss of habitat
c. more space
2.
a. a decrease in the number of koalas
b. an increase in the number of plant species
c. no change in the number of koalas
Answers: 2
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The big bang theory suggest that the universe is about - 300 million years old - 4.6 billion years old - 30 billion years old - 13 billion years old
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Distinctions between earth’s crust and mantle are based on: a. rock types b. chemistry c. seismicity d. all of the above
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Species can vary in several ways. which of the following is one of darwin's ideas that was accepted by most scientists of his time due to the large number of fossils being discovered at that time? a. species vary around the world. b. species have specific adaptations to their local environment. c. species that live in seawater can also live on mountains. d. species change over long periods of time.
Answers: 1
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