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nordsb [41]
3 years ago
6

Use the data in the table to calculate the difference between the greatest and least density of the planets in the solar system

Biology
1 answer:
Over [174]3 years ago
4 0

b hfdfcvyghfxdsgyuihgfhfdrsfghjgfdsafghjkhgftdrsfghjkhgf hjkhgfdg

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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

#SPJ4

3 0
2 years ago
What are cells that produce new cartilage matrix called?.
Nastasia [14]

Answer:

The stem cells differentiate into chondroblasts. 3. These chondroblasts, located at the periphery of the old cartilage, begin to produce and secrete new cartilage matrix. As a result, they push apart and become chondrocytes, each occupying its own lacuna.

Explanation:

4 0
2 years ago
The diagram below shows the stump of a tree whose root grew into a small crack in bedrock and split the rock apart.
Zina [86]
A physical weathering k
4 0
3 years ago
Read 2 more answers
Achondroplastic dwarfism is a dominant genetic trait that causes severe malformation of the skeleton. Homozygotes for this condi
AleksandrR [38]

Answer:

Jane: Aa

Matthew: aa

Explanation:

Jane is a heterozygous woman, which means that she is dominant for this genetic trait while Matthew is homozygous that did not inherit the achondroplastic dwarfism trait from his parents, that is why he is alive.

If we draw a Punnett square, we can see that some of their children will inherit the trait while others will not.

<u>   ║ a      ║ a</u>

<u>A  ║   Aa ║Aa</u>

a  ║ aa    ║ aa

5 0
3 years ago
Lupus, a condition in which the body attacks its own cells, is an example of
riadik2000 [5.3K]

Answer:

<em>Option 4, an autoimmune disorder, is the correct answer.</em>

Explanation:

An autoimmune disorder can be described as a disorder in which the immune cells of a body attack the own cells of a body.

Lupus can be described as an autoimmune disease which is long termed. In this disorder, a person's immune system attacks its own healthy cells. The immune system is unable to differentiate between the pathogenic cells and the healthy cells of the body. As a result, tissue damage is caused.

5 0
3 years ago
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