Synapsis or syndesis is the pairing of two homologous chromosomes that happens during meiosis. It allows the two homologous chromosomes to match up in pairs prior to their segregation. And a possibility of the chromosomes crossing over in between them.
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Answer:
Over three-quarters of the planet earth is covered with water. ... At room temperature (anywhere from zero degree centigrade to 100 degrees centigrade), water is found in a liquid state. This is because of the tiny, weak hydrogen bonds which, in their billions, hold water molecules together for small fractions of a second.
Explanation:
D. Earth's temperature is high enough that water on the surface
Ground water usually contains carbonic acid
The number of species on Earth tagged at 8.7 million as of 2011.
