All the food chains and food webs begin with:
Correct answer: C. Green plants
- A. Detritus
- B. Herbivores
- C. Green plants
- D. Omnivores
Explanation
The living part of the food chain always begins with plant life, as plants are the only organisms that get their energy from a nonliving source, Sun. We know that the Sun is the ultimate source of energy because it does not depend on anything else.
This question appeared on the UHS MDCAT 2016 paper, which you can sit online with every answer explained.
Report an error
The more specific you are, the faster it gets fixed. A source beats an opinion.
Prefer email? support@testustad.com
About Ecosystems
An ecosystem consists of organisms interacting with one another and with abiotic factors such as light, water, soil and temperature. The topic covers populations and communities, food chains and webs, trophic levels, ecological pyramids, energy flow, nutrient cycles and ecological succession.
Practise Man and His Environment
382 free Man and His Environment MCQs from Biology, each with the correct answer and an explanation. Unlimited attempts, no account needed.
Discussion
Stuck on an option, or know a faster way to get there? Ask or explain it here.
No comments yet. Be the first to explain this one.
Exams that ask Biology questions like this
Biology is on 8 papers prepared for on TestUstad, and all of them draw the same bank, so this question is worth knowing for every one of them.
More Ecosystems questions
The ultimate source of energy in an ecosystem is
The organisms of the third trophic level are:
The trophic level of a herbivore in a given food web is:
The change from bare rock or open area is rapid, especially in the initial stages and follows a series of recognizable and hence predictable stages. This process is called
How denitrification does occur in soils?
How much energy will be fixed by the primary carnivores?