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anygoal [31]
3 years ago
7

Why is poriferans important to marine ecosystem? Explain

Biology
1 answer:
FrozenT [24]3 years ago
6 0
Sponges generally require a solid support for attachment, they are often found in rocky marine areas or on the ocean floor. Sponges are critical components of the ecosystems of coral reefs, where they provide shelter for a variety of organisms including shrimp, crabs, and algae.
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If the surface soil is saturated and precipitation increases, there will be
Molodets [167]
The answer would be d.), an increase in the amount of runoff.
7 0
3 years ago
A woman gets a report of abnormal cells from a routine pap test. She anxiously says to her spouse, "I have cancer. It probably h
Tanzania [10]

Answer:

To be sure, the patient need complementary studies.

Explanation:

In a pap test sometimes the result can be as "abnormal cells" but that does nt mean cancer directly. The doctor need to do a complementary study like a colposcopy to check if the cells are abnormal, and in which are is the damage.

Also the etiology could be due to the papiloma virus, that in most of the cases cause abnormal cells, that lead into cancer. But, in other situations, some other bacteria can be infected the reproductive system and have a false result due to other bacteria like yeast or Trichomonas.

Hope this is useful.

3 0
3 years ago
Members of the Deinococcus genus present an interesting conundrum to scientists who try to classify them as either gram-positive
AURORKA [14]

Answer:

Explanation:

Bacteria can be classified traditionally into two broad categories according to their cell wall, which are Gram-positive bacteria and Gram-negitive bacteria.

Gram-positive bacteria are bacteria that produce a positive result when Gram stain test is performed. It takes up the crystal violet stain of the test, and then show a purple-coloured appearance when seen through an optical microscope. This is as a result of the thick "peptidoglycan" layer in the bacterial cell wall which retains the stain used in the cell after washing it away from the rest of the sample.

Gram-negative bacteria after the decolorization don't retain the violet stain,the outer membrane of gram-negative cells is degraded by the alcohol.The peptidoglycan layer is positioned and between the membrane and a bacterial outer membrane, causing them to take up the counterstain and made appear red or pink.

Therefore, Deinococcus is one genus of the bacterial phylum that have resistant to environmental hazards. They posses thick cell walls that give them Gram-positive stains, but they also posess second membrane that made them them closer in structure to Gram-negative bacteria, which present an interesting conundrum to scientists who try to classify them as either gram-positive or gram-negative.

8 0
3 years ago
Which of these BEST describes an interglacial period?
Korolek [52]
The answer is B only because it makes wayyy more sense
6 0
3 years ago
Which of the following is NOT part of the natural selection concept as developed by Darwin?
baherus [9]
HOW IS YOUR DAY AND THE ANSWER IS B BY THE WAY AND I HOPE I HELPED BYR
5 0
2 years ago
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