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LuckyWell [14K]
3 years ago
11

Which of the following is a true statement?

Biology
1 answer:
lesya692 [45]3 years ago
3 0

Answer:

All the statements are true and the correct option is;

D. All of these are true

Explanation:

Ecosystems change over time. ... Sudden disruptions such as volcanoes, floods, or fires can affect which species will thrive in an environment. Other disruptions are caused by human activities

An ecosystem ecosystem is an area where a community living (biotic) and non living (abiotic) things such as plants, animals, other organisms, landscape, natural sources and weather interact to create an apparently sustainable system

An ecosystem undergoes several changes over time due to environmental disturbance which results in the variation of the ecosystem's structure and change rate due to the natural disturbance and/or human activity

Therefore all the statements are true.

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Answer:

This is a question of the ration surface-volume. It is more efficient a shape that has more surface than volume

Explanation:

Imagine the shape of a mouse and an elephant in a cold environment. Who will lose heat faster? The answer is the mouse, for its volume (which is small compared to the elephant), the surface for which it can lose heat is very large. In contrast, the surface for which the elephant can lose heat is very small for its volume.

The same happens with nutrients if you have a great volume and a small surface is more difficult to exchange them.

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Smoking can increase the chances of a blood clot, increase blood cholesterol and contributes towards </span><span>atherosclerosis</span><span>

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