4.
B. Short answer type questions
1. Define environment.
2. What is photosynthesis?
3. Who are omnivores?
4. When is carbon dioxide produced?
5. Describe the importance of sunlight
Answers
Answer:
1.the surroundings or conditions in which a person, animal, or plant lives or operates.
2.the process by which green plants and some other organisms use sunlight to synthesize nutrients from carbon dioxide and water. Photosynthesis in plants generally involves the green pigment chlorophyll and generates oxygen as a by-product.
3.An omnivore is an organism that eats plants and animals. ... Omnivores are a diverse group of animals. Examples of omnivores include bears, birds, dogs, raccoons, foxes, certain insects, and even humans. Animals that hunt other animals are known as predators, while those that are hunted are known as prey.
4.Carbon dioxide is added to the atmosphere by human activities. When hydrocarbon fuels (i.e. wood, coal, natural gas, gasoline, and oil) are burned, carbon dioxide is released. During combustion or burning, carbon from fossil fuels combine with oxygen in the air to form carbon dioxide and water vapor.
5.It radiates light and heat, or solar energy, which makes it possible for life to exist on Earth. Plants need sunlight to grow. Animals, including humans, need plants for food and the oxygen they produce. Without heat from the sun, Earth would freeze.
Answer:
1 environment is a condition in which we live .
2 the process by which green plants turn carbon dioxide and water in the food using energy from sunlight.
3 birds , human , mammals , bears , dog etc,.
4th and 5th answer is up in photo
Explanation:
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