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Elena-2011 [213]
3 years ago
5

Which statement is true about fossils?

Biology
1 answer:
exis [7]3 years ago
8 0
Fossils take several hundred thousand years to form and it is rare to find a fossil of skin (skin is usually eaten or rotted away in the first decade, so it rarely turns into a fossil).
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The ras protein is active when (a) it has bound camp. (b) it has bound cgmp. (c) it has bound gdp. (d) it has bound gtp. (e) it
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I will mark brainlyest
SashulF [63]

Answer:

a b e

Explanation:

these are all pros of living in groups

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What part of the respiratory tract is considered the respiratory zone?
Lorico [155]

Answer:

D. Alveoli

Explanation:

Functionally, the respiratory system is separated into a conducting zone and respiratory zone:

Conducting zone consists of the nose, pharynx, larynx, trachea, bronchi, and bronchioles. These structures form a continuous passageway for air to move in and out of the lungs.

Respiratory zone is found deep inside the lungs and is made up of the respiratory bronchioles, alveolar ducts, and alveoli. These thin-walled structures allow inhaled oxygen (O2) to diffuse into the lung capillaries in exchange for carbon dioxide (CO2).

The respiratory zone begins where the terminal bronchioles join a respiratory bronchiole, the smallest type of bronchiole, which then leads to an alveolar duct, opening into a cluster of alveoli.

8 0
3 years ago
Photosynthesis is an integral part of what cycle?
kow [346]

Answer:

photosynthesis is a part of the global carbon cycle

5 0
2 years ago
Describe how ADH affects the kidney tubules to bring about the relationship
kolbaska11 [484]

The Antidiuretic hormone ( ADH ) affects the kidney tubules tp bring about the reabsorption of water in the glomerular filtrate.

Thus, the Antidiuretic hormone ( ADH ) also play a vital role in the kidney in homeostasis

<h3>What is homeostasis?</h3>

Homeostasis can simply be defined as the steady maintenance of the internal environment of an organism. Living organisms usually find a way to balance any low or high concentration of substances in the internal environment

Below are what makes up the internal environment of an organism:

  • Blood
  • Lymph
  • Intercellular fluids

So therefore, cell structures involved releases glucagon to raises the blood glucose levels when the glucose levels in the blood is low

Learn more about homeostasis:

brainly.com/question/8162998

#SPJ1

8 0
2 years ago
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