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mezya [45]
3 years ago
14

After the earthworm takes food in through its mouth, the food is temporarily stored in the

Biology
1 answer:
NeX [460]3 years ago
6 0
C gizzard i think i dont truely know
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Which statement describes a BENEFIT of CORAL REEFS? A: they supply food to organisms in both rivers and ponds. B: they produce c
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Answer:

They are home to many species of fish and Marine invertebrates.

Explanation:

Coral reef refers to large underwater ecosystem which comprises of dead and living corals.

Coral reef is made up of calcium carbonate.

They serve as habitat or home for Marine animals.

They are the source of nitrogen and essential nutrients for Marine animals.

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3 years ago
While the ovum is on its way to the uterus, a successful mating results in the presence of sperm cells in the fallopian tube. On
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If the sperm cell fertilises the ovum, and implantation does not occur, then the corpus luteum degenerates and it turns into corpus albicans, stopping progesterone secretion. If fertilisation occurs and implantation also, the syncytiotrophoblast, the "root part" of the blastocyst (one of the early structures originated from the zygote), produces a hormone that is called <span>human chorionic gonadotropin (hCG). The hCG is what makes the corpus luteum keep secreting progesterone and maintain itself. The progesterone will then help keep the endometrium and, therefore, allow the development of the embryo to happen.</span>
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3 years ago
Each cell in an individual's body carries certain molecules that tell the body they belong to that individual. those molecules a
Maksim231197 [3]

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MHC Markers

Explanation:

The function of MHC molecules is to display peptide fragments derived from pathogens on the cell surface for recognition by the appropriate T cells.

8 0
2 years ago
14. Describe the difference between the three macroinvertebrate categories and
tankabanditka [31]

Answer:

Invertebrates are the organisms in which backbone or vertebral column is absent.

The three macroinvertebrate categories are annelids, mollusks and arthropods.

Annelids are the organisms having segmented body. They are found in moist places. Examples are leeches and earth worms.

Mollusks are the organisms which are enclosed in a calcium carbonate shell. Examples are snails and slugs.

arthropods are the invertebrates which have segmented body and jointed appendages. Examples are insects and crustaceans etc.

7 0
3 years ago
What percent of the sunlight is actually converted into chemical energy via photosynthesis?
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Photosynthesis is a process in which green plants and few organisms use sunlight to synthesize their food from carbon di- oxide and water. In plants, during photosynthesis, green pigment known as chlorophyll is involved and oxygen is generated at a by product.

All the sunlight falling on plant is not absorbed. Only half of the falling light which lies in the right frequency to power photosynthesis is absorbed. Out of this falling light, only 8 % to 11% is absorbed by the plant and only 3 % to 6 % is actually used to form chemical energy.

4 0
3 years ago
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