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Makovka662 [10]
4 years ago
8

How do single-celled decomposers get energy?

Biology
1 answer:
baherus [9]4 years ago
4 0
D.
They break down dead organisms.
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A marsh has sufficient food to sustain no more than 50 adult mallards and 250 mallard
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The answer is a because i took it on k12
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N a dihybrid cross for round and yellow seeds (RrYy x RrYy), what is the probability of having green and wrinkled seeds?
tigry1 [53]
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Why does a year consist of 365 days and a day of 24 hours?
rodikova [14]
Cause earth orbits around the sun in a year and we have 24 hours in a day
 
8 0
3 years ago
Organism that must get energy from their environment are classified as?
kolbaska11 [484]

Answer:

Heterotroph

Explanation:

Hi, According to what I understand, the term is heterotroph, not hetrotrop [Tropism is concerned with how organisms react to a certain stimulus]

The word "heterotrophy" refers to organisms that do not synthesis their food or carbohydrates in the presence of photosynthetic pigment using CO2, water, or solar energy. With the exception of Euglena, they cannot synthesis their food or carbohydrates (it is unicellular and contains photosynthetic pigment). Carnivores, herbivores, etc. are heterotrophs.

7 0
2 years ago
A certain first-order reaction a → b is 25% complete in 42 min at 25°c. What is the half-life of the reaction?
yan [13]

Answer:

t_{\frac{1}{2}} = 101.16 minutes

Explanation:

For a First order reaction, the rate constant is determined by

k = \frac{2.303}{t} log \frac{a}{a-x}

Where

k= rate constant

t= time required for a reaction

a= initial concentration

x= amount of reactant decomposed in time t

a-x= amount of reactant left after time t

Let the initial concentration be 100

Then

x = 25\\a-x = 75

Substituting the given values in above equation, we get -

k = \frac{2.303}{42} log \frac{100}{75} \\

k = 6.85 *10^{-3}

Also,

k = \frac{0.693}{t_{\frac{1}{2}} } \\t_{\frac{1}{2}} = \frac{0.693}{6.85 *10^{-3}}\\

t_{\frac{1}{2}} = 101.16 minutes

Read more on Brainly.in - https://brainly.in/question/6804668#readmore

7 0
4 years ago
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