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AlekseyPX
3 years ago
15

What is meant by scientific methods

Biology
1 answer:
spin [16.1K]3 years ago
6 0
A method of research in which a problem is identified.

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Which of the following statements about fossil evidence from plants is true (select all that apply): Question 2 options: Sporoph
klemol [59]

Answer:

Sporophytes were branched before the evolution of vascular tissues

In early land plants the gametophytes were branched and complex like the sporophytes

Explanation:

The fossil record shows that early land plants appeared in the Ordovician Period, approximately 470 million years ago (Mya). These plants were non-vascular plants (e.g., mosses and liverworts) which can be recognized as fossilized spores. Thus, the first land plants could not transport nutrients like sugar, water, or minerals around the plant. Nowadays, it is believed that early land plants had gametophyte dominant life cycles (haploid life phase), while vascular tissues evolved as an adaptation to life on land, in the sporophyte (diploid life phase).

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Sonny took 16 seconds to finish a 100 m race . what was sonny 's average speed in the race ? give your answer decimal form
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6.25 meters per second

Explanation:

100 / 16 = 6.25

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Sorry, I dont remenber that process.

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andre [41]

Sustainability refers to how a system remains biodiverse and productive over long periods of time. Succession is a series of predictable changes that occur in a community over time. After a fire, volcano, or other disaster, succession enables an ecosystem to recover.

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In meiosis I, homologous chromosomes separate, while in meiosis II, sister chromatids separate. Meiosis II produces 4 haploid daughter cells, whereas meiosis I produces 2 diploid daughter cells. Genetic recombination (crossing over) only occurs in meiosis I. D

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