Is a fin whale a carnivore?
Are fin whales carnivores, herbivores, or omnivores? Since the fin whale’s diet consists of mainly small sea creatures, such as krill, fish, and squid, it is considered a carnivore.
Why are fin whales important?
Why They Matter. Whales are at the top of the food chain and have an important role in the overall health of the marine environment. The fin whale has been severely impacted worldwide by commercial whaling.
Are fin whales at the top of the food chain?
Fin whales have a place at the top in the food chain and an important role as regards the marine environment’s overall health, consuming vast amounts of plankton as well as other prey items.
What is the rule of 10 %?
The 10% Rule means that when energy is passed in an ecosystem from one trophic level to the next, only ten percent of the energy will be passed on. A trophic level is the position of an organism in a food chain or energy pyramid.
Would you be likely to find a food chain with 10 links?
It would be highly unlikely to discover a food chain containing 10 links. Almost 90 percent of the energy obtained at one trophic level is lost when being transmitted to the other trophic level ( link in the food chain).
Why food chain with three or four steps is more ideal?
A food chain’s length is restricted to just 3 or 4 steps due to energy loss. Less energy is transferred at each level of the food chain, so the biomass gets smaller. A shorter food chain is also considerably more efficient as less energy is lost.
Why isn’t all energy transferred in a food chain?
Energy decreases as it moves up trophic levels because energy is lost as metabolic heat when the organisms from one trophic level are consumed by organisms from the next level. A food chain can usually sustain no more than six energy transfers before all the energy is used up.
Who has the most energy in the food chain?
producers
Where does the lost energy go?
The energy is passed on from trophic level to trophic level and each time about 90% of the energy is lost, with some being lost as heat into the environment (an effect of respiration) and some being lost as incompletely digested food (egesta).
How much energy is transferred in a food chain?
At each step up the food chain, only 10 percent of the energy is passed on to the next level, while approximately 90 percent of the energy is lost as heat.
How does energy move through an ecosystem?
Energy is transferred between organisms in food webs from producers to consumers. This energy is available for higher order consumers. At each stage of a food chain, most of the chemical energy is converted to other forms such as heat, and does not remain within the ecosystem.
Which is the most accurate description of an ecosystem?
Answer: The correct answer is option A. “an ecosystem consists of a biological community-the physical and chemical factors-that make up its abiotic environment”.
What are the stages of energy flow in ecosystem?
A food chain is a linear sequence of organisms through which nutrients and energy pass as one organism eats another. The levels in the food chain are producers, primary consumers, higher-level consumers, and finally decomposers. These levels are used to describe ecosystem structure and dynamics.