Osmosis happened. The water inside the paramecium was attracted to the high concentration of salt outside so it moved through the cell membrane, thus causing the paramecium to lose water and shrivel.
Answer:
2)chiasmata hold chromosomes together.
Explanation:
Chiasma (pl. Chiasmata): it is the point of contact, the physical union between two non-sister chromatids that belong to homologous chromosomes. In a given chiasma, an exchange of genetic material can occur between both chromatids.
1) is FALSE becasue recombination occurs between chromatids of homologous chromosomes, NOT between sister chromatids.
3) is FALSE because more than one recombination event can occur in a given pair of homologous chromosomes.
4) is FALSE becasue synaptonemal complex keeps homologous chromosomes together, NOT sister chromatids. Additionally, recombination occurs in prophase 1, long before anaphase 2.
Answer:
cause its warmer in the day and colder at night
Explanation:
hope this helps
Answer:
Orca inhaled oxygen and exhaled carbondioxide just like humans and other mammals.
Orcas is a type of whale which breathe air through their lungs not gills. They can't inhale oxygen from water, it comes to the surface in order to inhale oxygen and exhale carbondioxide.
In Orca breathing is not an automatic reflex but a conscious act due to the environmental condition. When orcas come to the surface to breathe they must quickly expel the carbondioxide gas and inhale oxygen into the lungs so we can conclude that Orca breathe just like humans and other mammals.
Explanation:
Answer:
Rome had fertile soil on their Italian Peninsula, while the Greeks had poor soil on their Pelopennesus Peninsula.
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