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Flatworms and jellyfish don't have a circulatory system and in these animals, the oxygen is diffused through the cells.
Almost all living things need oxygen. Plants start the oxygen cycle through the process of photosynthesis. Plants take in carbon dioxide, and release oxygen. Animals then take in the oxygen and convert it into carbon dioxide through a process called respiration.
Animals, like humans, exhale carbon dioxide. Carbon dioxide is taken in by plants, and through the process of photosynthesis produce oxygen.
Plants and animals release energy through cellular respiration. Plants and animals exchange gases through this process with animals taking in oxygen and plants carbon dioxide.
oxygen
Flatworms and jellyfish don't have a circulatory system and in these animals, the oxygen is diffused through the cells.
Almost all living things need oxygen. Plants start the oxygen cycle through the process of photosynthesis. Plants take in carbon dioxide, and release oxygen. Animals then take in the oxygen and convert it into carbon dioxide through a process called respiration.
For starters, algae are plants. Plants never use oxygen. Animals use oxygen in the process of respiration. Decomposers use oxygen in the process of respiration when decomposing plants and animals including algae.
any animal that is on land at some point in its life obtain oxygen the same exact way we do. the only animal that obtains oxygen in a different way is the fish and it obtains its oxygen by filtering the water it swims through between its gills.
Animals, like humans, exhale carbon dioxide. Carbon dioxide is taken in by plants, and through the process of photosynthesis produce oxygen.
Breathing.
Plants and animals release energy through cellular respiration. Plants and animals exchange gases through this process with animals taking in oxygen and plants carbon dioxide.
Through Oxygen
No, animals get the Oxygen they need from breathing in air as part of the process of respiration, this has nothing to do with digesting food.
Cellular Respiration.
oxygen
anaerobic respiration