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ahrayia [7]
4 years ago
5

Why are there so few aquatic plants and phytoplankton that live at the bottom zones in the ocean?

Biology
1 answer:
Pavel [41]4 years ago
4 0

Answer:

b. most sunlight is absorbed before reaching these levels

Explanation:

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liubo4ka [24]
A and B are the answers
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3 years ago
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A carbohydrate molecule is (2 points) a macromolecule made of amino acids that provides structure for a cell and is not soluble
Sonja [21]
Carbohydrate consists as the name as of carbon and hydrogen and oxygen in the same ratio as water (hydra). Another name for carbohydrates would be saccharides... this is for an example glucose, ribose and so on... and we use fx glucose in cellular respriation. 

A carbohydrate<span> is a biological </span>molecule<span> consisting of carbon, hydrogen, and oxygen </span>
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3 years ago
PLS HELP! I WILL SURELY GIVE BRAINLIST! NOT A JOKE a note on the hormones secreted by the endocrine glands
ivanzaharov [21]

Answer:

Endocrine glands and their hormones

The major glands of the endocrine system are the hypothalamus, pituitary, thyroid, parathyroids, adrenals, pineal body, and the reproductive organs (ovaries and testes). The pancreas is also a part of this system; it has a role in hormone production as well as in digestion.

Explanation:

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6 0
3 years ago
Accumulation flooding occurs because the ground is completely _____ and there is no longer a zone of _______.
maw [93]

Answer:

Accumulation flooding occurs because the ground is completely filled with water and there is no longer a zone of dry land.

Explanation:

Flood is the overflow of water on the land which is usually dry throughout the year. It occurs when more water comes in the river due to rainfall or breaking of dam. But mostly flood occurs, due to melting of ice on the poles because of global warming. Global warming refers to the increase in average temperature due to presence of greenhouse gases such as carbondioxode, methane and water vapors etc in the atmosphere.

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3 years ago
During spermatogenesis, which of the following undergoes meiosis II to produce four haploid mature sperm cells?
Lubov Fominskaja [6]
<span>The primordial germ cell in the embryo undergoes mitosis to produce a spermatogonial stem cell.

The spermatogonial stem cell undergoes mitosis. The new cells could either be stem cells or spermatogonium cells.

The spermatogonium undergoes mitosis to generate a primary spermatocyte.

*** Up until this point, all cells are diploid ****

The primary spermatocyte (diploid) undergoes MEIOSIS I to generate TWO haploid secondary spermatocytes.

Each secondary spermatocyte undergoes MEIOSIS II to generate a total of FOUR early spermatid.

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</span>
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3 years ago
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