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olya-2409 [2.1K]
2 years ago
5

The most primitive true animal belongs to the phylum ____.

Biology
1 answer:
VMariaS [17]2 years ago
6 0

Answer:

Porifera or Sponges

Explanation:

Porifera is the phylum of the simplest multicellular marine animals. Their body is composed of  two cell layers (something like tissues) and mesophyl between them. The body is in direct contact with surrounding water through the large number of pores and channels. What makes Sponges so simple is that their cells are unspecialized and that they  don't have nervous, digestive or circulatory systems.

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What is the traditional order of the stages in the family life cycle? independence, marriage, parenting, launching, aging indepe
yanalaym [24]

Answer:

independence, marriage, parenting, launching, aging

Explanation:

The cycle begins with <em>independence</em> when an adult leaves his parents and becomes an unattached individual, then comes<em> marriage</em>, when an individual connects with another person and they commit forming a marital system, then comes <em>parenting</em> when they have children and focus on bearing them until <em>launching</em> stage comes, meaning their offspring becomes unattached adults and finally comes <em>aging</em> were the marriage can focus on themselves and their future years to come.

I hope you fidn this information useful and interesting! Good luck!

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3 years ago
Explain the conversation of mass during cellular respiration
Sergeeva-Olga [200]
The law of conservation of mass<span> states that in a chemical reaction, </span>mass<span> is neither created nor destroyed. That means, the total </span>mass for<span> the reactants needs to equal the total </span>mass<span> of the products. The reactants </span>for<span> photosynthesis are 6 carbon dioxide, 6 water and sunlight.</span>
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3 years ago
When acceleration terminates and an object has a net force of zero, it has reached:
Anvisha [2.4K]
The answer to your question is called terminal velocity.
4 0
3 years ago
earth’s inner core is solid because of _____. a. its great diameter b. immense pressure c. the composition of its rock d. extrem
oksian1 [2.3K]
B, immense pressure causes the core to be very compacted and solid.
8 0
3 years ago
Read 2 more answers
You find a population of strange cells in a sample of pond water. You wish to determine first whether they are eukaryotic or pro
Colt1911 [192]

Answer:

Membrane bound cell organelles

Explanation:

A prokaryotic cell lacks a membrane defined nucleus and all the membrane-bound organelles. A eukaryotic cell has a membrane-bound nucleus and other membrane-bound organelles such as mitochondria, chloroplasts, endoplasmic reticulum, lysosomes, Golgi apparatus, etc.

To determine if a cell is a prokaryotic or eukaryotic, one can look for the nucleus and the membrane-bound organelles. If the cell has a nucleus and membrane-bound organelles, it is a eukaryotic cell. The absence of these structures makes it a prokaryotic cell.

5 0
3 years ago
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