Answer:
Cancer develops when the body's normal control mechanism stops working. Old cells do not die and instead grow out of control, forming new, abnormal cells. These extra cells may form a mass of tissue, called a tumor. Some cancers, such as leukemia, do not form tumors.
Explanation:
Answer: Decomposers break down the dead organisms and return the carbon in their bodies to the atmosphere as carbon dioxide by respiration.
Explanation: In some conditions, decomposition is blocked. The plant and animal material may then be available as fossil fuel in the future for combustion.
Answer:
La ovogénesis, la diferenciación del óvulo, se diferencia de la espermatogénesis de varias formas. Mientras que el gameto formado por espermatogénesis es esencialmente un núcleo móvil, el gameto formado por ovogénesis contiene todos los materiales necesarios para iniciar y mantener el metabolismo y el desarrollo.
Explanation:
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Hey there!
The correct answer is: C) are usually more rich in species<span> biodiversity than </span>
<span>Climax
communities are usually more rich
in </span>species biodiversity than communities that are undergoing primary succession. They contain a mature ecosystem as they have had time to gather species that couldn't live through the early stages of an ecosystem.
<span>Thank you! </span>
<span>Villi are hair-like structures covered with epithelial cells measuring 1.5 mm that line the mucous inner membrane of the small intestine. The epithelial cells of the villi contain microvilli and are responsible for the absorption of nutrients. Being so small and numerous, they effectively increase the absorptive surface area of the small intestine. When the surface area increases, this is the time they absorb the nutrients.
As for plants' root hair cells, they receive nutrients through osmosis. Root hair cells are adapted for this by having a large surface area to speed up osmosis. The absorbed water and minerals are transported through the roots to the rest of the plant where it is used for different purposes: It is a reactant used in photosynthesis.
As we can see, both of them utilize increasing their surface area.</span>