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Marta_Voda [28]
2 years ago
7

A pond ecosystem includes small water fleas which feed on submerged aquatic plants. When the water fleas die, they sink to the b

ottom of the pond where they decompose with the help of bacteria. List in order the producer, decomposer, and consumer in this system.
Biology
1 answer:
nalin [4]2 years ago
3 0

Answer:

Producer: submerged aquatic plants; decomposer: bacteria; and consumer: small water fleas

Explanation:

The organisms that are able to produce organic food by using simple substances are called autotrophs or producers. In the given ecosystem, the aquatic plants are producers as they are able to produce organic nutrients (glucose) by the process of photosynthesis.

Decomposers are the organisms that derive their nutrition from dead animal and plant bodies. The bacteria present in the pond feed on dead water fleas and therefore, are the decomposers.

Consumers are the organisms that feed on plants and/or animals or their products. The small water fleas in the pond ecosystem are unable to make organic nutrients and derive the same from the aquatic plants. So, water fleas are consumers.

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2 years ago
Below are three different scenarios for comparison. For each scenario, decide if it represents greater or less entropy and great
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Answer:

Entropy is characterized as a level of irregularity or disorder in a system. More the disorder more is the Entropy. The greatest entropy is accomplished when the system is in equilibrium.  

In a similar manner, stability is legitimately relative to entropy. Therefore, more entropy, more is the stability and the other way around.

<u>S.No      Scenarios                Entropy                  Stability </u>

A               Glucose                    Less                   Less

           Carbon dioxide or water      More                   More

B        A messy room              more                    More

               A clean room                      Less                     Less

C Ice water on a warm day      Less                     Less

       Warm water on a warm da      More                   More

3 0
2 years ago
Kristoff was recently diagnosed with depression after reporting symptoms such as a loss of interest in activities, poor concentr
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Answer:

The correct answer is option b. "it has high face validity".

Explanation:

Face validity in a test is a very broad concept that simply refers to whether the test appears to be suitable to report what it claims to do. It is important to notice that high face validity in a test only means that the judgers of the test agree that the test is suitable, but it doesn't mean that the test is reliable for the patient and for the therapist. In this example, Kristoff should take other tests and examinations before he could be sure that he is not suffering from depression, particularly because he has many symptoms that indicate that he is depressed.

6 0
2 years ago
Alkaptonuria is an infrequent autosomal recessive condition. It is first noticed in newborns when the urine in their diapers tur
Arisa [49]

Answer:

See the answer below

Explanation:

Let the disorder be represented by the allele a.

Since the disease is an autosomal recessive one, affected individuals will have the genotype aa and normal individuals will have the genotype Aa or AA.

Since the four adults are carriers, their genotypes would be Aa.

                    Aa     x     Aa

Progeny:    AA    2Aa    aa

Probability of being affected = 1/4

Probability of being a carrier = 1/2

Probability of not being affected = 3/4

(a) The chance that the child second child of Mary and Frank will have alkaptonuria = 1/2

(b) The chance that  the third child of Sara and James will be free of the condition = 3/4

(c)

(d) If someone has no family history of the disorder, their genotype would be AA.

                 AA     x     aa

                        4 Aa

<em>The chance that a child with alkaptonuria will have an offspring with alkaptonuria if the child's mate has no family history </em>= 0

(e)

(f) <em>The chance that a child with alkaptonuria will have an offspring with alkaptonuria if the child's mate has no family history</em> = 0

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Answer:

based on the passage, the ancient greeks believed that their gods had the power to control over people's lives and were overall very powerful.

Explanation:

5 0
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