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aleksandr82 [10.1K]
3 years ago
10

What do a dinosaur and a tree have in commonA. they may have shared the matter

Biology
1 answer:
Leno4ka [110]3 years ago
3 0
The answer is A. they may have shared the matter.
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Birds and mammals have a four-chambered heart, but most reptiles have a three-chambered heart. How does this fact affect the con
eduard

Answer:

The animals present body structure is due to evolution. It is seen in each part including the structure of the heart. The vertebrate heart becomes complex from a simpler form.  

Invertebrates, the heart of fishes is two-chambered having one auricle and one ventricle. The deoxygenated blood gets purified in the gills. They are aquatic and no lungs for breathing. The hearts pump a mixture of oxygenated and deoxygenated blood to the body.  

The amphibians and reptiles have 3 chambered heart as they lead terrestrial mode of life. The gills modified into the lungs.  The left auricle receives pure blood and the right auricle receives deoxygenated blood. The blood purified in the lungs and in the ventricle, both types of blood get a mix. The ventricle pumps the mixed-blood throughout the body.

In the case of birds and mammal, the heart is 4 chambered and the oxygenated and deoxygenated blood are separated. These two are higher vertebrates. No mix of pure and impure blood, the body receives only the oxygenated blood.

This shows to construct the phylogenetic tree of vertebrates - the fishes should be in the bottom, and above it amphibians, reptiles, then, mammals and birds on the top branch of the tree. As the chambers and structure of the hearts modified one after another.

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3 years ago
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D because all the other answer are negative feedback

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Explain how Darwin’s research on Finches show natural selection in their beaks AND explain the benefits of the different beaks
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Answer:

Then, natural selection would probably favor different varieties in the different islands.” In other words, beaks changed as the birds developed different tastes for fruits, seeds, or insects picked from the ground or cacti. Long, pointed beaks made some of them more fit for picking seeds out of cactus fruits.

Explanation:

Darwin noticed that fruit-eating finches had parrot-like beaks, and that finches that ate insects had narrow, prying beaks. ... Later, Darwin concluded that several birds from one species of finch had probably been blown by storm or otherwise separated to each of the islands from one island or from the mainland.

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A particular Arctic climate historically receives snowfall 10 months out of the year. Some rabbits in this climate have white fu
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A. cause they can blend in with no snow and snow

Explanation:

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Which process returns water to earth
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The water cycle moves water from the hydrosphere to the atmosphere to the land and back again. The major processes of the water cycle include evaporation and transpiration, condensation, precipitation and return to the oceans via runoff and groundwater supplies
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