Answers: 2
Biology, 21.06.2019 22:30, ladnerhailey16
Check all that apply diatoms are marine algae that have a shell made of silica, what are some of the uses of the silica shell after the diatoms die? 1.the shells make up the diatomaceous earth used in filters 2.it can be used as an ingredient in abrasives 3.they are used in food products 4.the shells can be used in some insulating materials
Answers: 2
Biology, 22.06.2019 02:00, Totototono
The leopard frog and the pickerel frog are two closely related species. in areas where their ranges overlap, the frogs will remain separate species if they
Answers: 2
Biology, 22.06.2019 03:20, ahmedeldyame
Which of the following statements most accurately describes convergent evolution? the process in which two similar species evolve separately from each other and share similar characteristics the process in which a single species evolves into two or more new species the process in which two entirely different species evolve in response to each other the process in which two different species evolve separately from each other but still share similar characteristics
Answers: 3
Biology, 22.06.2019 12:30, Diaryyy3986
Which of the following is a reason why early living organisms on earth could not have survived on the surface? 1. the lack of an ozone layer 2. the lack of oxygen in the atmosphere 3. the fact that these organisms were single-celled
Answers: 1
How do bacteria obtain energy to carry out their functions...
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