Answer:
meiosis
Explanation:
The crossing over of homologous chromosomes occurs in meiosis. Meiosis is characterized by the lining up of homologous chromosomes close together to form a structure known as a tetrad.
It will help find the genes responsible
for many diseases.
Answer:
Pyramids of energy show the relative amount of energy available at each trophic level. A pyramid of biomass illustrates the relative amount of living organic matter at each trophic level. A pyramid of numbers shows the relative number of individual organisms at each trophic level in an ecosystem.
Explanation:
It's C.
All chemical reactions will always need activation energy.
Answer:
Las bombillas se originaron en el sureste.
Explanation: