Questions tagged [growth]

In reference to a biological system over time, growth refers to the increase in physical size/mass as well as the progression through its life cycle.

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The actual name of growth force

I see how large trees and weeds that are capable of splitting concrete, and realized that I have no idea what this phenomenon is officially called. Google was no help, suggesting root pressure, but ...
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Why Plants growth has a significant contribution of cell elongation growth?

Plant Growth is characterised by three phases- Cell division , Cell elongation and Cell maturation, where Maturation is just specilisation of cells, Only major contributory effect in growth is of cell ...
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Is it true that, prior to puberty, there are no physical differences at all between boys and girls (except for their private organs)

And that even their physical appearances are exactly the same? This seems very counterintuitive and goes against many people's personal experiences and observations when they were kids. But i have ...
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Is any animal born adult-size?

Size growth after birth seems to be the norm in the animal kingdom (as well as among plants). This makes sense. It's evidently physically challenging for an animal to produce an offspring of its equal ...
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Alternative to Lotka Volterra

Would you guys know any kind of differential equations that would dictate population growth without relying on Lotka Volterra ? Thanks ^^
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Age until physical growth ceases, mammals

Fairly basic, but I am seeking a table showing how many years from birth it takes for the best-known mammals to stop growing. (Including the latest on humans - ie. 0-17..?).
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Per Capita Population Growth Rate and Exponential Growth. Rate constants

As many of us might know, the set up of a differential equation relating instantaneous population growth with respect to time to the per capita population growth rate and current population size at an ...
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What do bones need to grow outside the body?

In what environment outside of a living organism can bones grow? If I were to put an arbitrary human bone in a room and attach a bunch of tubes to it, or dunk it in some kind of solution, where would ...
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Do all body organs grow in proportion during the period of physical development?

It is obvious that during childhood and puberty, the human body grows uniformly or proportionally so that a child's arm length, for example, is shorter than an adult's arm length but is proportional ...
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Why does hair know when it needs to stop to grow [duplicate]

I'm still not quite sure if head hair grows endlessly, or if it stops at some point, but that's not the question. When the hair on my leg grows, it obviously doesn't grow endlessly, but it also stops ...
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Giant insects growing question

During the dinosaurs time 100-200 million years ago there were giant insects like 1 meter long. An example is here. One of the theories why they could grow this big is that oxygen level was much ...
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Is it possible to determine the initial population given the final one?

It is possible to determine the initial population of, say, bacteria given a measure at a later time? Let's say I use the logistic growth model $$\dot N (t) = rN(t)\left(1 - \frac{N(t)}{K}\right)$$ ...
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What is the maximum height of a tree?

I know there exists a huge variation in the height of trees. But what is the maximum height a tree can reach? It must have something to do with the ability of the capillaries to transport life fluids ...
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Bigger animals needs bigger amount of oxygen? [closed]

Bigger animals, like Elephants, or Dinosaurs for example, are in need for more oxygen than the amount of oxygen that small animals need? (humans, dogs, cats, etc) Thanks in advance.

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