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In vertebrate animals, the same organ in different species often have different structures. for example, the heart of a fish has two chambers while the heart of a mammal has four chambers. what is an explanation for these differences in organ structure? a) reproductive differences b) differences in the size of the animals c) mutation of the genes of the organisms d) adaptation of organisms to their environments
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Biology, 21.06.2019 15:00
Use this diagram of an animal cell to answer the question. where does the first stage of cellular respiration occur? w x y z
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Biology, 21.06.2019 22:20
Put the following steps of the convection process in the correct order. 1. gravity pulls cooler matter downward. 2. the matter expands and decreases in density. 3. an up-and-down flow of matter produces a convection current. 4. matter is heated. 5. warmed matter is forced upward. question 2 options: a) 4, 2, 5, 1, 3 b) 2, 4, 3, 1, 5 c) 3, 2, 5, 4, 1 d) 1, 4, 2, 5, 3
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Biology, 22.06.2019 08:00
What is usually (but not always) related to the metabolic processes of living organisms in its organic form?
Answers: 1
In vertebrate animals, the same organ in different species often have different structures. for exam...
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