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quester [9]
3 years ago
15

The theory of __________ proposed that a series of catastrophes or mass extinctions followed by repopulation could explain why s

pecies change over time.
Biology
1 answer:
Roman55 [17]3 years ago
6 0
The theory of evolution proposed that a series of catastrophes or mass extinctions followed by repopulation could explain why species change over time
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The common ancestors of birds and mammals were very early (stem) reptiles, which almost certainly possessed 3-chambered hearts.
MatroZZZ [7]

The common ancestors of birds and mammals were very early (stem) reptiles, which almost certainly possessed 3-chambered hearts. Birds and mammals, however, are alike in having 4-chambered hearts. The 4 chambered hearts of birds and mammals are best described as homoplasies.

<h3>What about homoplasies?</h3>
  • It is more frequently a modified version of an inherited characteristic.
  • For instance, the scales that were already present in its reptilian parent led to the evolution of feathers in birds.
  • Similar to reptiles, mammals developed fur from their predecessors' scales.
  • The same set of data can typically yield more than one potential cladogram.
  • Different species of legged lizards developed into snakes and lizards with limbless bodies.
  • Natural selection does not affect a sizable number of mutations.
  • They came to the conclusion that reptiles, birds, and mammals all descended from the same ancient reptilian progenitor.

Learn more about mammals here:

brainly.com/question/5400162

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3 0
2 years ago
Based on the weather map seen here, what kind of weather conditions should we expect in Memphis?
stich3 [128]

Answer:

The summers are hot, and the winters are very cold.  

Explanation:

6 0
3 years ago
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Which of the following accurately describes the binomial nomenclature naming system?
defon
Yes it's A definitely correct
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How does the structure of a cell suggest its function? list three examples?
Nostrana [21]
Im pretty sure if it has a wall it is a plant, if it has a nuclear membrane it is a eukaryotic 
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3 years ago
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most modern plants are flowering plants, or angiosperms what is the importance of angiosperms to humans​
Umnica [9.8K]

Answer:

Angiosperms

Explanation:

Angiosperms are important to humans in many ways, but the most significant role of angiosperms is as food. Wheat, rye, corn, and other grains are all harvested from flowering plants.

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