Biology, 05.10.2021 17:30 Disd112984
The first organisms on earth may not needed oxygen. Today, many plants and animals on earth require gas exchanges in the carbon dioxide-oxygen cycle to
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Biology, 21.06.2019 22:00
An easy way to calculate the amount of energy available at each level is to what?
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Biology, 22.06.2019 09:30
Parthenogenesis is a type of reproduction that does not require a mate. itโs rarely seen in birds and higher vertebrates. parthenogenesis involves the formation of a zygote. but this zygote is formed without fertilization. in parthenogenesis, in the absence of a male gamete, the ovum develops directly in the zygote.
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Biology, 22.06.2019 12:30
Gram-negative bacteria have a cell wall that is! and does not accept the stain, making itappear
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Biology, 22.06.2019 13:00
How do you think earths interior affects what is happening on the surface? 2. how do fossils support the continental drift hypothesis? 3. how does sea- floor spreading support the hypothesis of continental drift? 4.what do scientists observe when they studied the magnetic fields of rocks on the sides of mid-ocean ridges? 5. what is a tectonic plate ? 6. explain mantle convection 7.how can movements of the continents affect earths climate? 8. what occurs during drifting?
Answers: 3
The first organisms on earth may not needed oxygen. Today, many plants and animals on earth require...
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