Your answer is going to be B
4.Metaphase
All of the chromosomes are aligned midway between the
spindle poles. A spindle is a dynamic network of microtubules that
attaches to and moves chromosomes during nuclear division. Microtubules
attach each chromatid to one of the spindle poles, and its sister to the
opposite pole.
Answer:
Choose the correct label for each part of the experiment.
The plants that are under a UV light for eight hours
A. Experimental group
The amount of water that is given to all of the plants
D. controlled Variable
The plants that are under the light for six hours
B. Control Group
Explanation:
Ecological succession is a process of inhabiting a zoological area by a group of organisms. it involves many stages to reach the climax stage such as primary, secondary, tertiary names basing on the habitat where it occurs. once the organisms reach the most stable stage of the succession. thus it maintains equilibrium
Succession helps restore the equilibrium of an ecosystem by forming up new species, diversifying species, and basically by replacing the damaged, deranged, or disturbed community. For instance, when a sudden climate change occurred in a community, such as drought, dryness, fire, or heat waves, all living things that depends on water or survives in a cool, wet environment will die or migrate somewhere else. Thus, leaving that community vacant and/or unoccupied by any living things. Succession, then, will take place in that area by going through various stages until reaching the climax stage, in which the ecosystem is complete again. c: hope i helped :D