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olga2289 [7]
3 years ago
11

Explain why a food web is a more realistic model of energy flow than a food chain.

Biology
2 answers:
svp [43]3 years ago
8 0

it includes more organisms in the ecosystem that would otherwise not be shown in a food chain.

love history [14]3 years ago
5 0

Answer:

Food webs show multiple pathways of energy and a food chain shows just one.

Explanation:

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Select the correct answer.
riadik2000 [5.3K]

Answer:

Answer is B.

nitrogen (78.10%), oxygen (20.90%) - this combination of gases dominate the Earth’s atmosphere.

Explanation:

The atmosphere of earth is a gaseous layer which surrounds the earth. It  protects the life on earth by absorbing harmful ultraviolet radiation, reducing temperature extremes, maintaining the existence of  liquid water on the earth's surface and warming the surface. The atmosphere consists of many gases including some pollutants and greenhouse gases. Nitrogen is the gas present in the atmosphere most abundantly while Oxygen and Argon take the second and third place. Atmosphere contains approximately 78% of nitrogen , 21% of oxygen and 0.9% of argon. Gases like carbon dioxide, nitrous oxides, methane, ozone and the water vapor constitutes the rest of the atmosphere. Many small particles called aerosols are also there which include dust, spores, pollen, volcanic ash, smoke etc. There are five layers of atmosphere. Troposphere (0 to 12 km) where we live is the lowest layer of earth's atmosphere ,which is closest to the earth's surface contains half of the atmosphere. Here most clouds are found and almost all weather occurs. Stratosphere (12 to 50 km) is the second layer where jet aircraft and weather balloons fly. It contains the ozone layer that absorbs harmful radiation from the sun.  Mesosphere (50 to 80 km) is the third highest layer and the coldest part of the atmosphere where most meteors burn up upon entering in to the atmosphere. The fourth layer is thermosphere (80 to 700 km) where the International Space Station orbits earth and the space shuttles flew. Exosphere (700 to 10,000 km) is the outermost layer where the atmosphere merges into outer space. Most of the satellites orbiting earth are found here.

8 0
3 years ago
Read 2 more answers
Autonomic nervous system includes which one of the following?
True [87]

Answer:

d

Explanation:

4 0
3 years ago
Fill in the blanks in the skeletal diagram.
bonufazy [111]

Answer:

2:occipital

8: radius

9: ulna

18: Tibia

Explanation:

7 0
2 years ago
Which answer lists different behavioral responses that some animals use as defense mechanisms?Question 8 options:camouflage, mim
Crank

To answer this we need to analyze each statement

camouflage, mimicry, and stingers: This is meant to escape predation and fend off predators, so this is the correct answer.

hibernation and migration: This is meant for breeding and or food energy storage, to pass hard seasons so is also incorrect.

courtship and breeding behaviors: This is meant for reproduction and to ensure offspring so this is incorrect.

nesting and food gathering: this is a behavior for survival, resource use rather than defense, si this is not correct.

7 0
1 year ago
The __________ is the first segment of the small intestine.
BlackZzzverrR [31]
The<span> duodenum is the first segment of the small intestine</span>
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3 years ago
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