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Kobotan [32]
3 years ago
14

An isolated system is best characterized as a system in which: Energy can freely enter and leave but matter cannot. Matter and e

nergy can freely enter and leave. Matter can freely enter and leave, but energy cannot. Energy and matter cannot enter or leave.
Biology
2 answers:
alexandr1967 [171]3 years ago
6 0

In physical science there are two types of "isolated systems"


1. Being a Physical System in which it is so far removed from other systems that it does not react with any of them.


2. Being a Thermodynamic System in which it is enclosed by rigid immovable walls of which neither mass nor energy can flow through.


I believe in this case although not stated that it would refer to a Thermodynamic System which would leave you with the only plausible answer as ENERGY AND MATTER CANNOT ENTER OR LEAVE.


None of the other answers make sense. Even if it were referring to Physical. Physical does not react with anything at all. An as you can see Thermodynamic does not allow for anything to pass through or leave.


inn [45]3 years ago
3 0

Correct answer: D). Energy and matter cannot enter or leave.

An isolated system is a system in which neither the energy nor the matter can enter or leave the system. As a result of that,  the total mass of the system remains unchanged.

There is a change in the species present, But, the total mass present will not change based on the law of conservation of matter and energy.





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The population of moose will still be around 850 in 30 years.

<h3>What is carring capacity?</h3>

Carrying capacity is the number of individuals that an environment can support without significant negative impacts to the organism and its environment.

With that being said, the moose population size will be same or still 850 after 30 years. Rate of plant growth on isle Royale supported in equilibrium moose population of 850 moose and if there will more 200 mooses arrived then there will be no sufficient plants available to feed those additional mooses. This is the concept of carrying capacity. Carrying capacity is defined as the species average population size in particular habitat. Species population size is restricted by environmental factor like food, shelter, etc. If number of mooses will be increased in particular habitat and plants are limited ,then there will be strong competition between them, which results in survival of the fittest.

So when population size increases on Isle Royale,may be in beginning, for a while there will be sufficient plants to feed those additional 200 mooses, but after some time plant population will reduce and there will be not enough plants to feed all of the mooses. And if needs are not met, population will decreases which allows plants to grow in normal population to feed 850 mooses. So, after 30 years moose population size would be around 850 mooses.

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