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Anna007 [38]
3 years ago
8

Why do scientists think the fossil record is incomplete?

Biology
1 answer:
meriva3 years ago
6 0

I hope this helps the answer is A

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all fibers of the semimembranosus muscle converge to insert on the . all fibers of the semimembranosus muscle converge to insert
miss Akunina [59]

All fibers of the semimembranosus muscle are converged to insert on the posterior tibia.  

Semimembranosus muscle is amongst the hamstring muscles that are present in the posterior region of the thighs. These are the muscles responsible for the extension of the hips and flexion of the knee. The innervation to this muscle is provided by the tibial nerve.

Tibia is also called the shinbone. It is one of the two bones of the lower leg.  The bone carries the maximum of the body's weight and gains support from the fibula, the other bone of the lower leg. Tibia is also the most commonly fractured bone in maximum people.

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1 year ago
What is coevolution?
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Coevolution happens when the genetic development between two or more species affects the evolution of each other. An example would be hummingbirds and bird-pollinated (ornithophilous) flowers. The ornithophilous flowers give nourishment to the birds with their nectar that has high sugar content. The birds in return aids in the pollination of these flowers.
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3 years ago
How does the Digestive system help maintain homeostasis?
Gnesinka [82]

Answer:

The bacterial flora in the intestines are essential to homeostasis in the body, they not only break down food so the nutrients can be absorbed, they produce vitamins like biotin and vitamin K and guard against harmful bacteria that enter the system. While your heart is a vital organ, the brain (and the nervous system that attaches to the brain) make up the most critical organ system in the human body. The digestive system ordinarily gets 20% to 25% of the oxygenated blood pumped out by the heart and the receptors in muscles provide the brain with information about body position and movement, the brain controls the contraction of skeletal muscle the nervous system regulates the speed at which food moves through the digestive tract.

8 0
3 years ago
Keystone species play a key role in A. Niche specialization B. Mutualism. C. Community stability. D. Habitat destruction
ArbitrLikvidat [17]
It world by C: Community Stability
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Tina and Jill have two balls, ball A and ball B. Ball A is twice as heavy as ball B. Tina and Jill push the balls with the same
zaharov [31]

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c

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it is lighter and force aginst it is not at great as ball A

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