Food webs diagram the complex relationships of energy flow in an ecosystem containing a variety of producers and consumers. A diagram is provided. Which of the following correctly shows one path that energy would flow through this ecosystem?A. A Star grass → termite→ wildebeest→ aardvark
B. B Hyena → aardvark → impala → harvester ant
C. C Grasshopper → termite→ warthog → hare
D. D Red oat grass → termite → wildebeest → lion
Answers
In food web, Grasshopper → termite→ warthog → hare correctly shows one path that energy would flow through this ecosystem.
What do you mean by food web?
A food web is the natural interconnection of food chains and a graphical representation of what-eats-what in an ecological community. Another name for food web is consumer-resource system.
Primary consumers, mostly herbivores, exist at the next level, and secondary and tertiary consumers, omnivores and carnivores, follow. At the top of the system are the apex predators: animals who have no predators other than humans.
Food web is an important conceptual tool for illustrating the feeding relationships among species within a community, revealing species interactions and community structure, and understanding the dynamics of energy transfer in an ecosystem.
Learn more about food web:
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The answer would be D. Red oat grass > termite > wildebeest > lion
Hope this helps !
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Answer: mitochondrion, carboxylic group , acetyl group, acetyl group, acetyl CoA, NADH
Explanation:
Two pyruvate molecules remain at the end of glycolysis which still have a lot of extractable energy. The next step in storing the remaining energy in the form of ATP is oxidation by pyruvate. The transition steps are as following:
- Pyruvate must join the mitochondrion, cross its inner membrane and arrive at the matrix before the chemical reactions can begin.
- A group of carboxyl (one carbon molecule) is snipped off of pyruvate and released as a carbon dioxide molecule, leaving behind a two-carbon molecule called the acetyl group.
- The oxidised two-carbon molecule, acetyl group attached to Coenzyme A to form acetyl CoA.
- The additional energy during conversion is reduced NADH molecules and two carbon dioxide molecule.
Hence the correct order to fill the blanks is mitochondrion, carboxylic group , acetyl group, acetyl group, acetyl CoA, NADH.
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Answers
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