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erica [24]
2 years ago
14

Which of these statements best describes a niche in an ecosystem?

Biology
1 answer:
Serggg [28]2 years ago
5 0
Answer: The role of a species in its community.

Explanation: Niche, in ecology, all of the interactions of a species with the other members of its community, including competition, predation, parasitism, and mutualism.
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In a river containing a large number of organisms that prey on fish, what would MOST LIKELY ensure the survival of the fish?
77julia77 [94]
They won't survive if they reproduce slowly
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3 years ago
Which of the following are characteristics of fungi?
Serga [27]
I believe the answer is A. decomposition ans parasitism 
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3 years ago
Read 2 more answers
You start off with 100 E. coli cells known to divide every 20 minutes. Based on this information and using formulas for exponent
tensa zangetsu [6.8K]

Answer:

21 minutes or 0.35 hours

Explanation:

The formula for exponential population growth is

A = A_0* e^{kt}\\

where

A_0 = initial population of E.coli i.e 100

k is the rate of population growth i.e 2 as the population doubles

t is the time period i.e 20 minutes

Substituting the given values in above equation, we get -

A = 100 * e^{2 * \frac{20}{60} }\\\\A = 195

Generation time

G = \frac{t}{3.3 * log \frac{194}{100} } \\G = \frac{t}{0.949} \\G= 21 minutes

or 0.35 hours

6 0
3 years ago
__________ are waxy substances that circulate in the blood.
artcher [175]
Cholesterol is a waxy substance found in blood.
6 0
2 years ago
Symptoms of uric acid.​
irina [24]

Answer:

Elevated uric acid levels lead to a condition known as "Hyperuricemia."

Explanation:

This condition occurs when there is an excessive presence of uric acid in the blood. It can be divided into:

  • Primary hyperuricemia
  • Secondary hyperuricemia

Primary hyperuricemia occurs when the kidneys are not able to eliminate uric acid in an efficient/proper way. This can be due to the consumption of foos that are very high in purines. For example, liver, gravy, alcoholic beverages, and some vegetables such as spinach and asparagus.

Secondary hyperuricemia may occur to several possible reasons. For instance, kidney disease, in which the kidney is not able to eliminate uric acid; chemotherapy, which may lead to the accumulation of uric acids; or medications that increase the level of uric acid in the blood.

Symptoms include:

  • Fever.
  • Extreme and abnormal fatigue.
  • Joint inflammation.
  • Urination problems.
  • Kidney stones.

To prevent this disease and as part of a treatment (along with medications prescribed by a doctor), a patient should opt to consume foods that are low in purine, such as lettuce, tomatoes, cereals, fruits, milk, eggs, amongst others.

7 0
3 years ago
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