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Nata [24]
3 years ago
14

What systems work together to detect external stimuli

Biology
1 answer:
Liula [17]3 years ago
6 0
The nervous system and the integumentary system<span />
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Canine teeth of human beings are called vestigial organs and archaeopteryx is called a bridge animal,why?​
Alexxandr [17]

Canine teeth are not as useful as it is in animals while archaeopteryx has the character of both birds and reptiles.

<h3>What are vestigial organs?</h3>

The vestigial organs are those organs that have no apparent function in the body which means that the body can do without them.

Examples of vestigial organs in the body are:

  • appendix

  • wisdom teeth

The canine teeth is a type of teeth in mammalian dentition and is said to be vestigial because man can do without it.

Archaeopteryx are animals that has the characteristics of both birds and reptiles because it bears wings like birds and has hands it uses to crawl like a reptile.

Learn more about vestigial organs here:

brainly.com/question/1350219

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2 years ago
When the diaphragm contracts, the size of the thoracic cavity ________, the pressure inside the thoracic cavity ________, and ai
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increases, drops, into

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What dosage schedule is represented by the graph below?
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One pill every 5 hours.

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3. What were the only elements around prior to Earth?
Andrew [12]
Gold, Silver, Mercury, Iron and etc.
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HELP!!!
sergeinik [125]

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