Across. Complete the crossword puzzle.
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1 ame ate (Key # - 023) Unit 2 rossword uzzle # - emester lass omplete the crossword puzzle cross ndividual in a population that have traits or abilities that give them a competitive advantage over other population members are more likely to survive and reproduced. What is this called? lthough dinosaurs lived for over 0 million years, they may have become extinct because a catastrophic event changed the environment more rapidly than the dinosaurs could. atural selection explains how happens. 0 he arctic hare lives in an area which has snow in the winter. For part the year they are white and part of the year they are brown. Which season will they be white? 2 f the climate on earth changed suddenly it could cause many species to become extinct. his would be called a. atural selection explains why some species become. atural selection explains how occurs Human arms, a cat's front leg, a dolphin's front flipper, and a bat's wing is evidence of evolution because they have the same kind of. t the end of the aleozoic ra 0% of all live on arth died out. his is called a
2 own he first appeared 3. billion years ago 2 he first organisms to appear on arth were. 3 omparing the vertebrate hearts, the heart is most closely related to the heart of birds and mammals because it has the beginnings of a divided chamber. he arctic hare lives in an area which has snow in the winter. For part the year they are white and part of the year they are brown. Which season will they be brown? he opposable thumb allows humans to grapsp objects firmly. his feature is called an because it has helped human to survive over time. What is a group of individuals which live together in the same area at the same time called? he fossil record can supply evidence about how the conditions may have changed through time he fossil record can supply evidence about the order of evolutionary. 3 Giraffes have long necks to reach food high in trees becasuse some of their had long necks and they survived to reproduce while those with shorter necks did not survive.
3 nswer Key: Key # Unit 2 rossword uzzle # - emester lass omplete the crossword puzzle. H G 3 U 2 B 3 U 2 X U U 0 W X B
4 ame ate (Key # 2-023) Unit 2 rossword uzzle # - emester lass omplete the crossword puzzle cross t the end of the aleozoic ra 0% of all live on arth died out. his is called a ndividuals of the same species are similar but they still have some differences. What is this called? tick insects look like sticks on plants so they can blend into their environment. his is an adaptation because their will not be able to find them. atural selection explains how happens. ost scientists believe that the cause of the dinosaur mass extinction was a. own Giraffes have long necks to reach food high in trees becasuse some of their had long necks and they survived to reproduce while those with shorter necks did not survive. 2 he fossil record can supply evidence about the sequence of life and changes in. 3 he fossil record can supply evidence about how the conditions may have changed through time f the climate on earth changed suddenly it could cause many species to become extinct. his would be called a.
5 own atural selection explains how occurs What is a group of individuals which live together in the same area at the same time called? 0 omparing the vertebrate hearts, the heart is most closely related to the heart of birds and mammals because it has the beginnings of a divided chamber. 2 he opposable thumb allows humans to grapsp objects firmly. his feature is called an because it has helped human to survive over time. 3 Fossils of whale ancestors show that present-day whales are distant cousins to a land-dwelling mammal called esonychid. hese fossils provide evidence that organisms have over time. atural selection explains why some species become. lthough dinosaurs lived for over 0 million years, they may have become extinct because a catastrophic event changed the environment more rapidly than the dinosaurs could.
6 nswer Key: Key # Unit 2 rossword uzzle # - emester lass omplete the crossword puzzle. U 2 B Y 3 0 H X 3 2 U X
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