Which of the following is a component of healthy soil ecosystems? a. fungi b. bacteria c. nematodes d. all of the above
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Answer: d. all of the above
The soil microbes and insects plays an important role in maintaining the fertility of the soil. Also, the soil is the habitat of large diversity of these insects and microbes. The fungi, bacteria and insects- nematodes decomposes the plant litter in the form of leaves, twigs and other organic matter available in the soil and helps in preparation of humus in the soil. Humus is a dark colored, sticky substance which is rich in organic matter and supports the growth of the plants. The healthier the soil, the more plants will grow and more litter will produce which otherwise favor the soil ecosystem.
Related Questions
In which of these stages is mitosis most important? A cub tiger is born. A cub tiger learns to walk. A cub tiger begins to grow. A cub tiger play-fights.
What would happen to other organisms if prokaryotes did not recycle nutrients?
When researchers use a molecular clock what are they measuring?
Descibe the structures that form the outside of a prokaryotic cell?
b. contains a KDEL sequence near its C-terminus.
c. has a membrane-spanning domain length equals the
d. thickness of the cis-Golgi membrane.
e. was imported directly into the cis-Golgi posttranslationally.
f. has a mannose-6-phosphate tag.
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Answer:
C. has a membrane-spanning domain length equals the thickness of the cis-Golgi membrane.
Explanation:
Secretory pathway is the pathway that transport proteins to the cell surface membrane. For this, the membrane proteins are labeled radioactively and move through the various organelles to carry the proteins to the surface membrane.
After six hours, all the radioactivity is concentrated in the cis-Golgi apparatus this means that The protein carries membrane-spanning domain which widens or make the cis-Golgi menbrane thick.
Hence, the correct answer is "C".
B. f(x) = 5000(0.6)x, with a vertical asymptote of x = 0
C. f(x) = 5000(1.4)x, with a horizontal asymptote of y = 0
D. f(x) = 5000(1.6)x, with a vertical asymptote of x = 0
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Answer:
The correct option is A.
Step by step explanation:
The exponential function is defined as
Where, a is initial value and b is growth factor or decay factor.
The initial population of bacteria is 5000.
After each day of treatment, 40% of the sample remains alive. It means the growth factor or decay factor is
Therefore the required function is
The horizontal asymptote is y=0 because
Therefore option A is correct.
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c. autonomic peripheral nervous system
b. central nervous system
d. none of the above
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B. The coagulation of blood near a victim indicates that death occurred two hours prior to discovery, when a suspect was reported at work.
C. A hidden fingerprint on a murder weapon did not match that of the suspect.
D. A forensic scientist concludes that tiny hairs found on a murder victim were not those of a suspect, but rather those of a dachshund.
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Answer: C. A hidden fingerprint on a murder weapon did not match that of the suspect.
A latent evidences are those evidences which cannot be observed by the naked eye but requires specialized procedures to observe them and collect them from the scene of crime. These includes small plant evidences like spores, pollen, dust particles and latent fingerprints.
In the given question, the C. A hidden fingerprint on a murder weapon did not match that of the suspect is an example of how latent evidence can be used to solve a crime. This is because of the fact that latent fingerprints are those fingerprints which cannot be observed by naked eye but requires the use of powders, solutions to firstly develop them and then these can be collected by the tape lifting or other measure.
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This is true. The impact of human on trees has been completely negative. This includes deforestation which causing negative effects on the environment. A massive scale of Earth’s forest has been cleared through deforestation. This results to the damage of the land quality.