Answer: The Heart stage.
Explanation:
Embryonic development or embroyogenesis refers to all the process that take place after the fertilization of ovule to give rise to develped plants embryo.This occur during single or double fertilization.
There are six stages of embryonic developments and they are; the two cells stage, eight cells stage, globular stage, Heart stage, torpedo stage and maturation stage.
The Heart stage is the transition stage where cotyledons that to develop and elongate, rapid cell division occur.
Answer:
c. DNA binding to histones enables overall positive supercoiling without enzymes that underwind the DNA helix.
Explanation:
Nonrenewable energy resources, like coal, nuclear, oil, and natural gas, are available in limited supplies. This is usually due to the long time it takes for them to be replenished. Renewable resources are replenished naturally and over relatively short periods of time. Therefore, it is important due to the drastic difference between them because the ability to replenish is very important than that of it not being replenish-able.
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<span>Organisms decompose more quickly when they are in contact with oxygen. ... When an organism is buried quickly, there is less decay and the better the chance for it to be preserved. The hard parts of organisms, such as bones, shells, and teeth have a better chance of becoming fossils than do softer parts. Got the answer from </span>https://www.americangeosciences.org/education/k5geosource/.../fossils/how-fossils-form
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