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harina [27]
3 years ago
12

give 2 examples of a physical response to an enviromental change that would enable an organism to maintain homeostasis

Biology
1 answer:
sesenic [268]3 years ago
3 0
As humans sometimes experience, a cold environment can result in<span> </span>shivering<span>. This is when skeletal muscles begin to shake in small movements, creating warmth by expending energy. Humans can also sweat in high temperatures. The water on the surface of the skin is able to absorb a lot of heat during evaporation, resulting in cooling of the body.</span>
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g If a colony of bacteria starts with 1 bacterium and doubles in number every 20 ​minutes, how many bacteria will the colony con
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Answer: 2.81 x 10∧14 baterias after 16 hours.

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Hi, first we have to find how many 20 minute intervals are in 16 hours.

If 1 hour = 60 min, 16hours = 960 minutes (16 h x 60 min / 1 h)

If we divide the 960 minutes (16 hours) by 20 minutes we obtain 48. (960/48)

There are 48 twenty minutes intervals in 16 hours.

Now we have to apply the exponential growth formula:

P (t) = Po (1 +r) ∧t

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Replacing with the values given:

P (t) = 1 (1 + 1) ∧48= 2.81 x 10∧14

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7 0
3 years ago
Bryophytes never formedforests (mats maybe, but not forests)
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C) they lack lignified vascular tissue. ( Since they do not have vascular tissues, they are not able to develop vertically like the trees we know.)

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D) In fact, they have. Although they require water for their reproduction, some species of bryophytes are found in deserts.

E) Rhizoids are not weak, otherwise they would not have the ability to keep bryophytes attached (mosses).

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