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Mars2501 [29]
3 years ago
14

Consider the phylogeny below. The coelom evolved once in the common ancestor of protostomes and deuterostomes. What does the phy

logeny indicate about the lack of a coelom in flatworms (Platyhelminthes)
Biology
1 answer:
VikaD [51]3 years ago
7 0

Answer:

Flat worms belong to Phylum- Platyhelminthes as they have flat body because they don't have any coelom in their body or called acoelomate

Explanation:

Coelom is called as the true body cavity that is found in Porifera and Cnidaria but when it comes to platyhelminthes, the coelom is not found and thus they have flat like structure and they are categorized under first triploblastic  animals that is they contain 3 tissue layer which are found in higher animals (Ectoderm, Mesoderm and endoderm) also cephalization takes place in this parasitic group which indicates evolution towards higher, complex organisms.

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PSYCHO15rus [73]

Answer:

Fusion doesn't produce radioactive waste products.

Explanation:

Fusion type of reaction does not produce any type of radioactive waste products, it produces helium, neutron and releases huge amount of energy while on the other hand, fission reaction causes the splitting of a single nucleus into two which produces gamma radiation and releases huge amount of energy so by seen the products we can say that fusion reaction doesn't produce radioactive waste products but the fission reaction can produce.

5 0
3 years ago
Which below are specialized for life in a hypotonic environment?
OLga [1]

Plant cells are specialized for life in a hypotonic environment.

Answer: Option A

<u>Explanation:</u>

A cell which lacks the cell wall, will expand and burst. At the point when set in a hypertonic solution, a cell without a cell wall will lose water to the surrounding, wilt and presumably die.

In a hypertonic arrangement, a cell with a cell divider will lose water as well. The plasma layer pulls from the cell wall as it withers, a procedure called plasmolysis. Thus it can be inferred that plant cell are specialized for life in a hypotonic environment.

8 0
3 years ago
The rate of weathering depends upon the area's
Marysya12 [62]
Hi there!

The answer would be B. climate

Hope this helps !
5 0
3 years ago
Read 2 more answers
Explain why the vessels that transport water in trees must be very small in diameter.
kipiarov [429]

Answer:

The diameter of the xylem vessels should be small in order for the capillary action to take place.

Explanation:

The vessels through which water is transported to different parts of the plants and trees are the xylem. Water is transported in the trees through a mechanism named as capillary action. This mechanism can occur only if the diameter of the vessels are small.

The water molecules adhere to the walls of xylem and an upward force is generated. If the diameter of the vessels i.e xylem would be small then the surface tension between the xylem and water molecules would be enough to move the water in an upward direction.

6 0
3 years ago
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Basile [38]

Answer:Volcanic eruptions are very dangerous events.

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Volcanic eruptions produce both molten lava and poisonous gases. Therefore, eruptions can be very dangerous. Many volcanologists have lost their lives while observing volcanic eruptions.

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3 years ago
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