What are some common themes of biology?

2 answers:

7 0

Adaption and evolution, biological systems, energy and life, form and function...(i hope its right bc honestly i dont really know)

EastWind [94]3 years ago

6 0

Hey friend!
Let's figure this out!

1. Evolution

Evolution is an important theme in biology. If you go looking for it, you will be able to find an aspect of every living creature out there that is in fact a product of evolution. How did life get to be the way that it is? Evolution, that's how.

2. Levels of organization

How do systems, processes, and events at one level of organization affect other levels? Are units at one level just the sum of units at other levels, or are there emergent properties unique to certain levels? As you may have guessed by our strategic bolding, the latter choice is the answer.

3. Regulation

Let’s face it: Life is a control freak. Everything is regulated, and when regulation fails, the results are generally not good. How does regulation work at the different levels of organization, such as molecules, organs, and ecosystems?

4. Structure and function

How do biological structures relate to the functions they perform? Is a specific structure ideal or optimal for that function? If not, how might this less-than-optimal structure be explained by evolution?

5. Unity and diversity

Certain structures and processes may be common to many or all life forms, but Nature has modified them in diverse ways, resulting in a tremendous range of variation.

This list of themes isn’t complete yet, and as you bask in your newfound, undying love of biology, you will no doubt come up with themes of your own. Try to keep these ideas in the back of your mind…preferably forever, but if that’s not possible, then at least as long as you’re learning biology. They will enable you to keep everything you learn in perspective so that you can see how all the little tidbits of information fit into the big picture. That’s what biology is all about: little, teensy tiny tidbits and how they fit into a bigger picture. Oh, and organization, organization, and more organization.

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Ierofanga [76]

Answer:

Statement D is not correct.

Explanation:

a. Lobsters are rival but not excludable: This is correct, as lobster is a common resource to which everybody can get access to with no need to pay for it. Besides, a person can consume only one animal.

b. The lobster population is an example of the tragedy of the commons: This is correct, since people, acting by their own needs or interests, may exceed the capture of too many lobsters, affecting their population and, therefore, other users.

c. Reducing the quota on the number of lobsters any fisher can catch would have a protective effect on the lobster population: This is correct, since reducing the number of lobster catches will allow the animal population to reproduce more, leaving offspring capable of reaching sexual maturity, mating and reproducing again, and thus increasing the population size and stabilizing it.

d. If left unregulated, the lobster population will likely increase: This is not correct. There need to be some regulation or management, because if not these animals will continue to be caught, even in the reproductive season, not allowing the population to stabilize. In this case, the population will likely decrease, rather than increase.

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