answer:
By altering the light factor
Explaination:
Blood levels of the pineal hormone melatonin are high at night and low during the day. Its secretion is controlled by a rhythm-generating system located in the suprachiasmatic nucleus of the hypothalamus, which is in turn directed by light. So by designing a control in which the intensity or duration of light is altered to regulate this cycle.
Answer:
Primary succession is the colonization of species of organisms on life-less barren lands after a volcanic eruption, newly formed land, or sand dunes. Lichens and mosses are the known primary succession community of organisms that helps in developing conditions for secondary succession by breaking rocks and providing soil.
After a fair amount of time, there are new species of organisms that grow and colonize in the land and these are, and ultimately the community becomes fairly stable. A climax community is a more stable, mature community that undergoes little or no change which can live for hundreds of years on the land.
The long-term survival of species is dependent on various kind of resources that may be limited, this can be explained by the lichens and mosses that have enough amount of nutrition and resources during primary succession but as new organism comes with complex structure and competes with these lichens and mosses their number decline due to limited amount of resources.
In the gas faze molecular forces are extremely weak liquids and gasses are called fluids because they can easily fill a container, or be forced to flow or move somewhere.
I hope this helps.
Answer:
The correct answer is option A. "V(D)J recombination is similar to the replicative transpositional mechanism".
Explanation:
V(D)J recombination and the replicative transpositional mechanism are very different biological processes. V(D)J recombination is an unique mechanism that takes place by somatic recombination and results in the highly diverse repertoire of antibodies. On the other hand, the replicative transpositional mechanism takes place when a transposable element is duplicated during replication.
Answer:
Size range(cm) Year 1900 Year 1950 Year 2000
51 - 60 1 0 0
61 - 70 1 1 0
71 - 80 2 2 2
81 - 90 2 5 7
91 - 100 2 3 2
101 - 110 3 0 0
Explanation:
Your data table is actually color-coded, so all you needed to do was count. Looking at your frequency table, you can see that a color corresponds to certain colors.
For example 51 - 60c, corresponds to the light green. Looking at the data table, you see 1 light green block in the column of 1900. As it happens, it also is the only measurement that falls within the range 51 - 60 so you have 1 sea star. In the Year 1950, there is none, and you won't find one in Year 2000, so both frequency count is 0.