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seropon [69]
3 years ago
14

If the producers in this aquatic food chain produce 50,000kcal of energy; how much energy would the Perch have?

Biology
2 answers:
Snezhnost [94]3 years ago
4 0

Answer:

The 10% Energy Rule in a Food Chain

abruzzese [7]3 years ago
3 0

Answer:

500 kcal

Explanation: Perch is a type of fish which feed on zooplankton, so it belongs to secondary consumer in the trophic levels. In aquatic ecosystem, plants are the producer which contains 50,000kcal of energy. When these plants are eaten by primary consumer i. e. zooplankton, so only 10 % of energy is transferred about 5000 kcal. When zooplankton are eaten by perch fish, so 10 % energy is transferred again i. e. 500 kcal.

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The arrows in a food chain point from the organism ____________ the energy to the organism ___________ the energy
melamori03 [73]

Answer:

1. Supplying

2. Taking

Explanation:

Food chain is a linear relationship between organisms that depicts the flow of energy from one organism to another. In a food chain, organisms are arranged in trophic levels where arrows pointing to the right direction (➡) are used to show that the organim the arrow is pointing to eats the organism behind it.

Hence, according to this question, arrows in a food chain point from the organism SUPPLYING the energy to the organism TAKING the energy.

6 0
2 years ago
A pathogenic strain of bacteria has become resistant to an antibiotic that once could kill it. What has happened to these bacter
Andrews [41]
The answer is <span>-Only the few bacteria that were immune to the antibiotic survived and reproduced, making all their offspring immune to it as well.

Bacteria (or any other organism) are not able to make changes to their DNA in order to protect themselves or to learn to remove the receptors on their cell surfaces. If they were able to produce toxins against the antibiotics, they would all survive.
These leave the second choice as the correct answer. This is the real situation, and is a good example of natural selection.</span>
6 0
3 years ago
Biology definition??
Pavel [41]
The physiology, behavior, and other qualities of a particular organism or class of organisms.
4 0
2 years ago
An article in the Los Angeles Times (Dec. 3, 1993) reports that 1 in 200 people carry the defective gene that causes inherited c
Alborosie

Answer: 5

Explanation:

Since 1 out of 200 people carry the defective gene that causes inherited colon cancer.

In a sample of 1000 individuals, we say

1 = 200

y = 1000

cross multiply

y x 200 = 1000 x 1

200y = 1000

y = 1000/200

y = 5

Thus, in a sample of 1000 individuals, approximately 5 will be carriers

6 0
3 years ago
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larisa [96]

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5 0
3 years ago
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