BIOLOGY HIGH SCHOOL

Members of Porifera are diploblastic. Which statement clarifies this?A. They are unsegmented.
B. They have a true body cavity.
C. They have two germ layers.

Answers

Answer 1
Answer:

Answer;

C. They have two germ layers.

Explanation;

  • Diploblastic organisms are those organisms that possess two major tissue layers, that is the ectoderm or the outer layer and the endoderm or the inner layer. Triploblastic animals on the other hard are those animals that possess three germ layers, that is the ectoderm, endoderm, and mesoderm.
  • Poriferans are normally called the sponges. Their body wall is diploblastic which consists of an outer layer known as pinacoderm and an inner layer called choanoderm.
Answer 2
Answer:

Final answer:

Members of the phylum Porifera are not considered diploblastic because they do not have two germ layers. Instead, they have a unique level of organisation where their cells do not form tissues or organs. The term 'diploblastic' correctly applies to organisms like jellyfish or sea anemones that have two germ layers producing various tissues and organs.

Explanation:

Members of the phylum Porifera, often referred to as sponges, are not considered diploblastic because they do not have two distinct germ layers. Instead, they possess a unique level of organization in which their cells do not form tissues or organs. Confusingly however, they do have two layers of cells, but these do not equate to the germ layers seen in true diploblastic organisms like cnidarians.

In a true diploblastic organism, such as a jellyfish or sea anemone, the two germ layers - the ectoderm and endoderm, produce the various tissues and organs of the organisms. The jellyfish's tentacles and mouth, for instance, are produced by the ectoderm, while its digestive cavity is produced by the endoderm.

So, the statement that clarifies the term 'diploblastic' with respect to members of Porifera is not accurately represented by any of the provided options, since they are not truly diploblastic. The closest would be 'C. They have two germ layers', but this is still not technically correct for the reasons mentioned above.

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Related Questions

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A salt marsh oozes with smelly water, made up of sediments, animal and plant matter, and nutrients carried into the marsh by fresh water and tides.true or false
Which of the following is not an example of a caught in or caught between hazard?
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Breathing in humans is driven by all of the following except A. the muscles attached to the ribs. B. the diaphragm. C. air pressure. D. the muscles connected to the lungs.

Bones protect internal organs and help the body move. true or false?

Answers

True. This is because bones provide the structural support and act as levers- along with your muscles, you can move. They protect internal organs by creating a hard framework around them, in a way.
Hope that helped you.

_____ can be single- or multi-celled and have organization within their structure. Prokaryotes Eukaryotes

Answers

Eukaryotes can be single- or multicelled and have organization within their structures. This isn't the case for prokaryotes. Eukaryotes are have a clearly defined nucleus, unlike prokaryotes, which lack that, given that they have no internal membranes. Bacteria are some organisms that belong to the prokaryote type, whereas some animals, plants, and worms belong to eukaryotes.

the answer is Eukaryotes

Movement of dissolved particles across a semipermeable membrane from *high* to *low* concentration

Answers

Passive transport, or diffusion. Moves form high to low.

Final answer:

Osmosis is the movement of water through a semipermeable membrane from high to low concentration. It is driven by the imbalance in water concentration and facilitated by aquaporins. Osmosis plays a crucial role in the functioning of red blood cells and the kidneys.

Explanation:

Osmosis is the movement of water through a semipermeable membrane according to the water's concentration gradient across the membrane, which is inversely proportional to the solutes' concentration. While diffusion transports material across membranes and within cells, osmosis transports only water across a membrane and the membrane limits the solutes' diffusion in the water. Not surprisingly, the aquaporins that facilitate water movement play a large role in osmosis, most prominently in red blood cells and the membranes of kidney tubules.

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How many chromosomes are in a human skin cell and liver cell.

Answers

Answer:

Any somatic cells in a diploid eukaryotic organism will have the diploid number (2n) of chromosomes. For humans that number is 46

Answer:

all cells have 23 pairs and 46 all together it does not matter what cell it is always the same amount other wise they whold say every cell has a diffrent amount

Explanation:

In this food chain the __________ has the LEAST energy available to it for its life processes.

Answers

The last one on the chain, the last consumer, would have the least because each consumer gets about 10% less energy than the one before it :)
The top of the food chain

Which of the following statements presents a reasonable conclusion? A. Our football team needs sufficient equipment to practice and play safely.
B. The football team needs good players because they are a good team.
C. If more fans do not support the football team, our team will always lose.

Answers

A resonable conclusion is one that is well defined and explained and contain all the neccessary elements
so
 The statement given below present a reasonable conclusion

Our football team needs sufficient equipment to practice and play safely
because it represent all the basic elements 
so  i conclude option A is correctly
hope it helps

Which of the following statements presents a reasonable conclusion?  

A. Our football team needs sufficient equipment to practice and play safely.  

B. The football team needs good players because they are a good team.  

C. If more fans do not support the football team, our team will always lose.
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