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Marta_Voda [28]
2 years ago
5

Are mosses a direct ancestor of flowering plants? Explain.

Biology
2 answers:
lakkis [162]2 years ago
7 0

Answer:

No.

Explanation:

They're most likely indirect ancestors.

zavuch27 [327]2 years ago
4 0

Answer:Yes they are.

Explanation:

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Chemoreceptors in the circulatory system detect changes in circulating pCO2. If CO2 concentrations get too high, the rate of ven
Levart [38]

Answer: The more active cells produce more carbon dioxide.

Explanation:

When the cells are constantly working the amount of oxygen consumed and more amount of carbon dioxide is released by the cells.

Chemo receptors in the circulatory system increases the ventilation so that more carbon dioxide can go out of the cell and more oxygen can get inside the cell.

This is because the more active cells more carbon dioxide and there is a sudden increase in the concentration of carbon dioxide which need to be corrected by the help of ventilation.

6 0
3 years ago
4. Which relationship is an example of commensalism?
Neko [114]

Answer:

<u>B.The clownfish living in a sea anemone</u>

Explanation:

It's a relationship between two organisms where one benefits and the other gains neither harm nor benefit

4 0
3 years ago
According to the video above, what happens to the color of an object as it moves in relation to the observer?
Afina-wow [57]
It gets blurry and further away because it is not changing
5 0
3 years ago
Photo attached! Help please! 10 points.
kogti [31]

Hi the answer you are looking for is option A)

6 0
3 years ago
Planarians lack dedicated respiratory and circulatory systems. This deficiency does not cause a problem because ________.
ZanzabumX [31]

Answer:

Most cells within planarians tend to be very close to their gastrovascular cavity, in addition to their external environments. Also, planarians have the ability for oxygen and carbon dioxide to diffuse through the cells on their body walls: this makes it unnecessary for these varieties of flatworms to need a dedicated bodily system.

I think the deficiency of dedicated respiratory and circulatory systems in Planarians does not cause a problem because none of their cells are far removed from the gastrovascular cavity or from the external environment. Planarians are free-living flatworms and form the class Turbellarians in the Phylum Platyhelminthes. Flatworms have three tissue layers, that is the ectoderm, mesoderm, and endoderm. 

hope this helps!!!!!....

Explanation:

6 0
3 years ago
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