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Anestetic [448]
3 years ago
7

What important role does lignin play in vascular plants??

Biology
1 answer:
Vinvika [58]3 years ago
5 0
<span> It is largely a supportive structure and is part of the secondary thickening of tall </span><span>plants</span>
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What are guard cells?
tia_tia [17]
They are part of the stomatal can be found in the skin of the leaf and stem. Guard cells have characteristic shapes can be bean-shaped or like sponge cake. They have thickened cell walls contain living protoplasm of chloroplasts (as opposed to skin cells)
7 0
4 years ago
Ecologists survey the tree species in two forest plots. plot 1 has six different species, and 95 percent of all trees belong to
Kitty [74]

In this case, the plot 1 is very rich in the single species; it is dominated by a particular species, which occupy 95% share. While in the plot 2 are rich in the number of species, it has 5 species occupying 20% share.  

In comparative analysis, it is seen the plot 1 is rich in species, but diversity is very less. While, plot 2 is rich in the diversity of species, as 5 different species are present, but it is not rich in a particular species.

Hence, compared with plot 1, plot 2 has greater species diversity and lower species richness.


4 0
3 years ago
A human living now and a horse that lived thousands of years ago could:
CaHeK987 [17]

Answer:

C. be made of some of the same matter

Explanation:

The human beings living in the present time can be related to the horses that lived thousands of years ago.

This could be due to the fact that resources on the Earth were present in the past had been recycled again and again through the biogeochemical cycles.

This shows that the elements present on the Earth can be reused again and again and the elements which could have composed the horse now form the matter in the humans.

Thus, Option-C is correct.

5 0
3 years ago
During the action of ATP synthase, the _____ energy of the proton gradient is transformed into _____ energy of the F1 subunit, a
mash [69]

Answer:

can you give the easy question

Explanation:

my teacher didn't teach me that topic yet

4 0
4 years ago
Large tsunamis may be only centimeters high when travelling in deep water. Maintaining a reliable tsunami detection and warning
Licemer1 [7]

Answer:

b. Scientists are interested in incorporating knowledge of how dolphins accurately transmit and receive information into the design of their tsunami detection networks. The scientists will probably want to investigate if there are any impacts of these networks on dolphins in the area.

Explanation:

Scientists want to study communication between dolphins because these animals are able to establish efficient communication with each other even over long distances. With the knowledge of this communication, scientists can incorporate similar factors into their tsunami information transmission system, so it will be easier to accurately transmit and receive information in the design of their tsunami detection networks.

However, it is necessary for scientists to include in the study, the possible impacts that this system of transmitting information about tsunamis can have on the dolphin population.

In summary, we can say that scientists are interested in incorporating knowledge of how dolphins transmit and receive information accurately in the design of their tsunami detection networks. However, scientists must investigate whether there is any impact of these nets on dolphins in the region.

3 0
4 years ago
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