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Svetllana [295]
3 years ago
5

What is the difference between a food chain and food web

Biology
2 answers:
fomenos3 years ago
5 0
A food chain follows one path of energy and materials between species. A food web is more complex and is a whole system of connected food chains. In a food web, organisms are placed into different trophic levels. ... Producers are the basic trophic level while top predators are the peak level.
ale4655 [162]3 years ago
3 0

Answer:

A food chain is a sequence of organisms through which nutrients and energy pass as one organism eats another. A food chain must start with energy from the sun, have a producer (an organism that makes food by itself with energy from sun), and have at least one consumer eat and gain nutrients from another consumer or a producer. At the end of the food chain, there must be a decomposer to break down the dead animals into nutrients, which is beneficial for soil. Additionally, there must be arrows to indicate the flow of energy travelling from one organism to another. An example of a food chain would be:

sun -> roses -> caterpillar -> crows -> garter snakes -> mushrooms

Energy source: Sun

Producer: Roses

Consumer: Caterpillar

Secondary consumer: Crows

Tertiary consumer: Garter snakes

Decomposer: Mushrooms

A food web is basically an interconnection of multiple food-chains in a graphical representation to see which animal eats what and their niche (role they play in an ecological community). Here's an example of a food web (not mine, credits to creator):

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How many complete strands of DNA are produced
Mrrafil [7]

Answer:

2

Explanation:

The two DNA strands intertwine around each other to form a double helix.

5 0
3 years ago
Read 2 more answers
Henrietta is in the fifth week of her pregnancy, which means that she is in the _____ period of prenatal development.
Talja [164]

Answer:

Embryonic period

Explanation:

The time period of the growth of the baby in the womb of the mother of human is 38 weeks or 9 months.

The time period of 38 weeks is divided into three phases related to the events taking place in that period which are: the germinal period, embryonic period and the fetal period.

  • The germinal period lasts from the implantation to the gastrula phase during which the germ layer begins to form that is in the first and second week.
  • The embryonic phase begins after the second week and lasts about the eighth week which is marked by the phase of embryonic and differentiation.

Therefore, in the fifth week she is in the embryonic phase of prenatal development.

8 0
3 years ago
Describe the 3 phases that are part of the cell cycle
Daniel [21]
The 3 phases that are part of the cell cycle would be

Interphase
Mitotic phase
Cytokinesis.
7 0
3 years ago
How do planets and stars differ from one another
Andreas93 [3]
Stars are balls of gasses while planets are gasses and rock
4 0
3 years ago
Patient: 67 year old female diagnosis: heart failure prescription: daily dose of 48.5mcg of digoxin. how milligrams would be
Goshia [24]

Assuming the body weight of the woman is 67 kg, milligrams of digoxin required per day for the woman will be 3.25 milligrams.

<h3>What is drug dosage?</h3>

Drug dosage refers to the amount of drug required to be administered to a patient per given time based on body weight or age.

The dosage for digoxin for treatment of heart failure for the 67 year old woman is 48.5 mcg/kg body weight.

Assuming the body weight of the woman is 67 kg, milligrams of digoxin required per day for the woman will be 48.5 * 67/1000 = 3.25 milligrams.

In conclusion, the dosage of drugs depends on age and body weight.

Learn more about drug dosage at: brainly.com/question/11185154

#SPJ1

8 0
2 years ago
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