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vovangra [49]
3 years ago
11

What is the next stage after the body plan is established?

Biology
1 answer:
Ahat [919]3 years ago
8 0

Answer:

Origin. 20 out of the 36 body plans originated in the Cambrian period, in the "Cambrian explosion", However, complete body plans of many phyla emerged much later, in the Palaeozoic or beyond.

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Increasing the frequency of stimulation so that a muscle contracts without relaxation is called
Lostsunrise [7]

Answer:

Tetany.

Explanation:

Tetany is also known as tetanic seizure. This medical condition arises due to the increase in the frequency of the action potential of the muscle cells or the nerves that innervates in the muscle cell.

The tetany causes the increase in the frequency of stimulation that increases the muscle contraction but the relaxation of muscle does not occur. Tingling around or near the mouth can be felt in tetany.

Thus, the correct answer is option (A).

7 0
4 years ago
How are hurricanes and thunderstorms similar?<br> PLEASE HURRYY-
viktelen [127]

We have that for the Question "How are hurricanes and thunderstorms similar" it can be said that hurricanes and thunderstorms are similar as

Both form when warm air rises, then cools quickly to form clouds.

Generally

Hurricanes and thunderstorms are similar in many ways as the are but Natural earth behavior that most times cause disaster

For the scope in view we have that Hurricanes  and thunderstorms are both storms that are facilitated by warm air that is moist  

Therefore

Both form when warm air rises, then cools quickly to form clouds

7 0
2 years ago
The Eocene period exists in Earth’s history around 34 MYA.
Rasek [7]

Answer:

Its B study information related to the Cenozoic era.

Explanation:

I got it right on edge, 100%

5 0
3 years ago
Read 2 more answers
Why don’t we have a complete fossil record of all life that’s ever lived?
Ivanshal [37]

Answer:

Why don't we have a complete fossil record of all life that's ever lived? Fossil formation requires a rare mix of physical and biological conditions. Fossils must be exposed at Earth's surface to have a chance of being found. Fossils can be destroyed when rocks erode, melt, or change composition.

Explanation:

For many reasons, the fossil record is not complete. Most organisms decomposed or were eaten by scavengers after death. Many species lacked hard parts, which are much more likely to fossilize. Some rocks and the fossils they contained have eroded and disappeared.

Please mark me as the brainliest

8 0
3 years ago
Read 2 more answers
How are billions of genetically identical cells produced?
sammy [17]
Hi there!

The cells split, and, after a certain amount of time, the two identical replicas of the split cells split again into more cells. With energy, this process repeats until there are billions of trillions of cells.

Hope this helps!
8 0
3 years ago
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