Which side is hypertonic, which side is hypotonic?
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Answers: 1
Biology, 22.06.2019 03:00
Why do leaves change color in the fall? green pigments break down and no longer mask the color of chlorophyll. chlorophyll breaks down and no longer masks the colors of other pigments. red- and yellow-colored pigments grow and mask green-colored chlorophyll. green-colored chlorophyll breaks down and turns red and yellow.
Answers: 2
Biology, 22.06.2019 16:30
Which of the following is an example of competition a. the leaves of a tree prevent a small shrub from getting sunlight. three species of birds feed a different heights in the same tree. b. three species of birds feed at different heights in the same tree c. zebra and giraffeβs feed on different grassland plants d. cats living in two different homes eat the same brand of cat food.
Answers: 1
Biology, 22.06.2019 23:30
The upper forelimbs of humans and bats have fairly similar skeletal structures, whereas the correspondingbones in whales have very different shapes and proportions. however, genetic data suggest that all three kindsof organisms diverged from a common ancestor at about the same time. which of the following is the mostlikely explanation for these data? a) humans and bats evolved by natural selection, and whales evolved by lamarckian mechanisms.b) forelimb evolution was adaptive in people and bats, but not in whales.c) natural selection in an aquatic environment resulted in significant changes to whale forelimb anatomy.d) genes mutate faster in whales than in humans or bats.e) whales are not properly classified as mammals.
Answers: 2
Biology, 23.06.2019 02:30
Which of the items below would represent the phenotype of an individual? a.gg b.hh c.brown fur
Answers: 3
Mathematics, 14.06.2021 17:30
Mathematics, 14.06.2021 17:30
Mathematics, 14.06.2021 17:30
Mathematics, 14.06.2021 17:30
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Health, 14.06.2021 17:30
Mathematics, 14.06.2021 17:30
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Physics, 14.06.2021 17:30