Answer:
Well there are many ways for scientific models to be use like if something was small and you couldn't see it u would have to make a model of that
Explanation:
If this didn't help I'm sorry
Answer:
gas, liquid, solid
Explanation:
I could also list 12 other states of matter if you're interested
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.
There are 4 layers.
1: Forest Floor
2: Understory
3: Canopy
4: Emergent