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Zanzabum
3 years ago
10

During the Cambrian explosion, the characteristics of animals that appeared include ________. During the Cambrian explosion, the

characteristics of animals that appeared include ________. mammals that could climb trees swimming protostomes flying reptiles armored reptiles
Biology
1 answer:
expeople1 [14]3 years ago
6 0

Answer:

Swimming protostomes

Explanation:

The Cambrian period is the geological time period which is known for the evolution of a large number of organisms.

During this period, the condition became favourable for the growth of life that is temperature became suitable, the evolution of oxygen and the rise in the sea level. A large number of species evolved during this period like segmented body organisms called arthropods and which lived in the shells like molluscs.

These organisms dominated the Earth and are considered protostomes on the basis of their growth pattern during organogenesis as their mouth is formed earlier than the anus.

Thus, swimming protostome is the correct answer.

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hram777 [196]
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4 years ago
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3 years ago
Some autoimmune disorders are thought to be caused by _________, which occurs when an infectious agent is composed of antigens w
EastWind [94]

Answer: adaptive immune response

Explanation:

Autoimmune disorders are caused by different microoorganism and drug which manipulates the immune system in a way that immune system become unable to recognise between self antigen and foreign antigen. In that case immune system treats foreign antigen as self antigen which cause systemic or organ specific damage.

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4 0
3 years ago
100 POINTS
Harlamova29_29 [7]

Answer:

51.84%

Explanation:

p² + 2pq + q² = 1 and p + q = 1

p = frequency of the dominant allele in the population

q = frequency of the recessive allele in the population

p²  = percentage of homozygous dominant individuals

q²  = percentage of homozygous recessive individuals

2pq = percentage of heterozygous individuals

p = 0.72 => p² = 0.72² = 0.5184

=> Percentage of the rats are normal sized: 51.84%

4 0
2 years ago
Which of the following types of succession would most likely occur after a forest fire?
Mrac [35]

Answer:

Secondary succession

Hope this helped :)

7 0
3 years ago
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