Which of the following statements about the challenges herbivores face when acquiring nutrientsis TRUE?O The ratio of carbon to nitrogen is much higher in herbivores than it is in the plants they eat.O They eat dead leaves, which has half the nitrogren that live leaves have.O They sometimes must eat insects to meet their nitrogen demands.O They need to get rid of excess carbon gained from eating plants.

Plant are the aurotrophic organisms which make their own food by utilizing the sunlight, water and…

Which of the following statements about the challenges herbivores face when acquiring nutrients is TRUE? The ratio of carbon to nitrogen is much higher in herbivores than it is in the plants they eat. They eat dead leaves, which has half the nitrogren that live leaves have. They sometimes must eat insects to meet their nitrogen demands. O They need to get rid of excess carbon gained from eating plants.

Which of the following statements about the challenges herbivores face when acquiring nutrients is TRUE? The ratio of carbon to nitrogen is much higher in herbivores than it is in the plants they eat. They eat dead leaves, which has half the nitrogren that live leaves have. They sometimes must eat insects to meet their nitrogen demands. O They need to get rid of excess carbon gained from eating plants.

Aquaculture Science

3rd Edition

ISBN:9781133558347

Author:Parker

Publisher:Parker

Chapter10: Feeds And Feeding

Section: Chapter Questions

Problem 15SA

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A trade-off of heterotrophic carnivores in gaining energy is that food is: scarce but it's easy to capture and kill their very nutritious food. abundant but it's nutritious. scarce but it's nutritious. abundant but it's difficult to capture and kill their very nutritious food.
Which of these characteristics are true for consumers? They occupy the first level of a food web. They provide food for all other organisms. They make carbon dioxide available to plants. They can synthesize their own food.
If only a fraction of the energy that the herbivore gets from plant food becomes part of the herbivore’s body, what happens to the rest of it?
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Which kind of organism is most likely to consume these fallen trees? carnivore detritivore omnivore herbivore
Which of the following is an example of a secondary consumer? a)A spider that eats herbivorous insects b)A plant that uptakes nutrients from the soil c)A cow that eats grass d)A shark that eats a tuna that eats other fish
“The pyramid of energy is always upright” states that A)The energy conversion efficiency of herbivores is better than carnivores. B)The energy conversion efficiency of carnivores is better than herbivores C)Producers have the lowest energy conversion efficiency D)Energy conversion efficiency is the same in all trophic levels
three living creature, X,Y,Z. They are given food m and n, where m is obtained from plants and n from meats. X eats m, Y eats n, Z eats both. How you are going to categories the living creatures based on their food source?
Which of the following statements about nutrient inputs and eutrophication is FALSE? O Fossil fuel combustion (e.g. burning gasoline, coal) releases nitrogen which contributes to eutrophication The production of chemical farm fertilizers through industrial fixation of N, is a major source of bioavailable nitrogen and cause of eutrophication O The mining of phosphate rock for fertilizers is a major source of bioavailable phosphorus and cause of eutrophication O Eutrophication can cause oxygen depletion in aquatic systems by increasing the growth of algae which consume a lot of oxygen The production of livestock at large-scale (which generates a lot of manure) can be a cause of eutrophication
What is the mode of nutrition of an organism named Lion? a.)Photo-autotrophic b.)Chemo-autotrophic c.)Saprophytic d.)Parasitic e.)Herbivore f.)Carnivore g.)Omnivore
In ecological systems, a rough rule of thumb is that when energyis transferred from plants to plant-eaters or from preyto predator, the efficiency is only about 10% (p. 72). Muchof this inefficiency is a consequence of the second law ofthermodynamics. Another way to think of this is that eating 1calorie of material from an animal is the ecological equivalentof eating 10 calories of plant material.Humans are considered omnivores because we can eat bothplants and animals. Our food choices have significant ecologicalimpacts. With this in mind, calculate the ecologicalenergy requirements for four different diets, each of whichprovides a total of 2000 dietary calories per day. How many ecologically equivalent calories would it taketo support you for a year, for each of the four diets listed?
In ecological systems, a rough rule of thumb is that when energyis transferred from plants to plant-eaters or from preyto predator, the efficiency is only about 10% (p. 72). Muchof this inefficiency is a consequence of the second law ofthermodynamics. Another way to think of this is that eating 1calorie of material from an animal is the ecological equivalentof eating 10 calories of plant material.Humans are considered omnivores because we can eat bothplants and animals. Our food choices have significant ecologicalimpacts. With this in mind, calculate the ecologicalenergy requirements for four different diets, each of whichprovides a total of 2000 dietary calories per day. Describe some challenges of providing food for thegrowing human population, especially as people in manypoorer nations develop a taste for an American-style dietrich in animal protein and fat.