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tankabanditka [31]
3 years ago
5

Explain how autotrophs obtain energy.

Biology
2 answers:
Oksana_A [137]3 years ago
3 0
Autotrophs obtain energy by the process of photosynthesis. Any living organism need energy to survive and autotrophs are no different. Two types of autotrophs are present and they are Photoautotrophs and Chemoautotrophs. The Photoautotrophs rely on the energy produced during the process of photosynthesis and the Chemoautotrophs get their energy from most of the inorganic substances. Phtoautotrophs actually get their energy from the sunlight and then convert it into reusable form. In case of Chemoautotrophs ammonia is an important source of energy for them.
Deffense [45]3 years ago
3 0
Well, autotrophs are living things that produce their own food like plants. While heterotrophs get their food from other sources like the autotrophs e.g man
   Autotrophs obtain their food from a process called photosynthesis. Energy is gotten from the sun, which helps them to manufacture their food. Well, according to the word photosynthesis, photo means light, and synthesis means combining or putting together. We all know that plants need light, water, air and nutrients to survive. This light needed is gotten through the process of photosynthesis. Energy is gotten from the light of the sun. Photosynthesis takes place in the leaves. It is also responsible for the green color. Hydrogen and carbon dioxide in the air are used to form food. Chlorophyll and some other pigments absorb energy from sunlight. All these can be proven by the reaction between water and carbon dioxide. They produce glucose and oxygen. Glucose is the food;
carbon dioxide + water→glucose+ oxygen
  This reaction takes place in the presence of sunlight. Hope i helped.
    
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Answer:

1) B

2) A

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4) C

5) A

6) D

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12) C

Explanation:

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3) The term space is not commonly used in the study of science, we usually call it volume. This is because 'space' is quite a vague word as it could mean atmospheric space. More precisely, volume is the amount (or measure) of space a matter occupies.

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Mass is the amount of substance in a body while weight is the amount of gravitational force acting on a body.

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