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stiks02 [169]
3 years ago
6

Did birds evolve from the gliding reptiles called pterosaurs?

Biology
2 answers:
Law Incorporation [45]3 years ago
5 0
Yes, the pterosaurs is the ancestor of the bird. 
kenny6666 [7]3 years ago
3 0

No. Birds are direct ancestors of dinosaurs, having simular trates such as wish bones, hollow bones, and feathers. All pterosaurs went extinct in the k.t. mass extinction. Not to mention pterosaurs flew with the skin connecting their wings to their body, as birds flew with primary flight feathers.

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The smallest particles occurring in soil are referred to as
hichkok12 [17]
Clay-
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2 years ago
I only need one sentence. Will mark brainliest.
storchak [24]

Answer:

  1. The Biuret's solution will impart a dark violet blue to a pinkish purple color to the solution if positive.
  2. Benedict's indicator will turn the solution aqua blue if negative or yellow/green/brick red if positive.
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  4. The paper bag will have a greasy/oily residue upon application of the sample.

Explanation:

  • The Biuret's test is widely used for the identification of proteins in whole milk samples.
  • The Benedict's solution is an indicator of the presence of simple sugars such as glucose.
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3 years ago
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Fiesta28 [93]

Answer:

i think the answer is C Gravitational potential energy

Explanation:

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5 0
2 years ago
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In a cross between individuals of a species of tropical fish, all of the male offspring have long tail fins, and none of the fem
Sergio039 [100]

In this cross the trait of long tail fins is associated with the “Y” chromosome of the male.  

Thus the alleles  of the male are represented by XY” where X chromosome has no trait of long tails find  

And the allels of the female are represented by XX, as they do not have long tail fins.  

When these two are crossed , the following punnet square is produced

X     Y”

X X X    X Y”

X X X     X Y”

The XX is the female while the XY” is the male offspring.  

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gizmo_the_mogwai [7]

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<h2>starch: polysaccharide is the answer</h2>

Explanation:

<h3>mark me a brainliest tysm</h3>
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