Why can food chains be longer in trophic regions than in tundra regions?

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Why can food chains be longer in trophic regions than in tundra regions?

asked Jan 20, 2022 by anonymous

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answered Jan 20, 2022 by anonymous
selected Jan 20, 2022 by anonymous

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Consider the following statements concerning food chains. A. Removal of 80% tigers from an area resulted in greatly increased growth of vegetation. B. Removal of most of the carnivores resulted in an increased population of deers. C. The length of food chains is generally limited to 3-4 trophic levels due to energy loss. D. The length of food chains may vary from 2 to 8 trophic levels. Which two of the above statements are correct? (a) A, D (b) A, B (c) B, C (d) C, D

Description : Consider the following statements concerning food chains. A. Removal of 80% tigers from an area resulted in greatly increased growth of vegetation. B. Removal of most of the carnivores resulted in an increased population of deers. C. ... are correct? (a) A, D (b) A, B (c) B, C (d) C, D

Last Answer : (c) B, C

How are tundra regions and deserts alike?

Description : How are tundra regions and deserts alike?

Last Answer : Lack of moisture in the air and the subsequent lack ofprecipitation.

Answer: e The role of nutritional support in the cancer patient remains an important component of overall therapy. Preoperative nutritional support should be given only to those patients who do not require an emergency operation and who have severe weight loss (> 15% of pre-illness body weight) and a serum albumen < 2.9 mg%. Preoperative nutrition (enteral or parenteral) should not be given for longer than 7 to 10 days. Enteral nutrition is always the preferred route of feeding cancer patients if the GI tract is functional. There are several benefits of using the bowel lumen for nutrient delivery. The trophic effects of enteral feeding on small bowel mucosa have been well described. The integrity of the mucosal lining is maintained and it may provide an effective barrier to intraluminal

Description : Answer: e The role of nutritional support in the cancer patient remains an important component of overall therapy. Preoperative nutritional support should be given only to those patients who ... of bowel rest; this atrophy is not reversed by currently available total parenteral nutrition solutions

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Variable regions are present in (A) Immunoglobulins (B) α-Chains of T cell receptors (C) β-Chains of T cell receptors (D) All of these

Description : Variable regions are present in (A) Immunoglobulins (B) α-Chains of T cell receptors (C) β-Chains of T cell receptors (D) All of these

Last Answer : Answer : D

The portion of the immunoglobulin molecule that binds the specific antigen is formed by (A) Variable regions of H and L chains (B) Constant region of H chain (C) Constant region of L chain (D) Hinge region

Description : The portion of the immunoglobulin molecule that binds the specific antigen is formed by (A) Variable regions of H and L chains (B) Constant region of H chain (C) Constant region of L chain (D) Hinge region

Last Answer : Answer : A

The effector function of antibody is performed by (A) Variable region of light chains (B) Constant region of heavy chains (C) Variable regions of light and heavy chains (D) Constant regions of light and heavy chains

Description : The effector function of antibody is performed by (A) Variable region of light chains (B) Constant region of heavy chains (C) Variable regions of light and heavy chains (D) Constant regions of light and heavy chains

Last Answer : Answer : D

Recognition of antigen is the function of (A) Variable region of light chains (B) Variable regions of light and heavy chains (C) Constant region of heavy chains (D) Constant regions of light and heavy chains

Description : Recognition of antigen is the function of (A) Variable region of light chains (B) Variable regions of light and heavy chains (C) Constant region of heavy chains (D) Constant regions of light and heavy chains

Last Answer : Answer : B

The variable region of heavy chains has (A) One hypervariable region (B) Two hypervariable regions (C) Three hypervariable regions (D) Four hypervariable regions

Description : The variable region of heavy chains has (A) One hypervariable region (B) Two hypervariable regions (C) Three hypervariable regions (D) Four hypervariable regions

Last Answer : Answer : D

The variable region of light chains has (A) One hypervariable region (B) Two hypervariable regions (C) Three hypervariable regions (D) Four hypervariable regions

Description : The variable region of light chains has (A) One hypervariable region (B) Two hypervariable regions (C) Three hypervariable regions (D) Four hypervariable regions

Last Answer : Answer : C

An antigen binding site on the IgG antibody is a combination of a. One variable region from a light chain and one from a heavy chain. b. Two variable regions from two light chains. c. Two variable regions from two heavy chainsd. One variable region from a constant region and one from a variable region..

Description : An antigen binding site on the IgG antibody is a combination of a. One variable region from a light chain and one from a heavy chain. b. Two variable regions from two light chains. c. Two ... from two heavy chains. d. One variable region from a constant region and one from a variable region.

Last Answer : a. One variable region from a light chain and one from a heavy chain.

Numerous antibodies can be prepared, against one antigen, each binds to unique epitopes. How is this antibody diversity generated? A- By rearrangements of the DNA encoding the variable regions of the heavy and light chains B- By the combination of different heavy and light chains that form the antigen binding siteC- Antibody proteins can physically change their shape to bind different epitopes D- Both (a) and (b)

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Last Answer : Both (a) and (b)

What is the difference between a trophic level and a food chain?

Description : What is the difference between a trophic level and a food chain?

Last Answer : A: A trophic level refers to the position of an organism in a food chain or web, while a food chain is a linear sequence of organisms through which energy and nutrients are transferred from one organism to another.

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Description : What are trophic levels? Give an example of a food chain and state the different trophic levels in it. -Biology

Last Answer : Each step or level of the food chain forms a trophic level. Consider the following food chain:

What are trophic levels ? Give an example of food chain and state the different trophic levels in it. -Biology

Description : What are trophic levels ? Give an example of food chain and state the different trophic levels in it. -Biology

Last Answer : Trophic Levels : The various steps in a food chain at which the transfer of food (or energy) takes place are called trophic levels.Example : A food chain operating in a ... . Grasshopper represents second trophic level. Frog represents third trophic level. Eagle represents fourth tropic level.

The concentration of DDT in the food chain, from lower to higher trophic levels:

Description : The concentration of DDT in the food chain, from lower to higher trophic levels:

Last Answer : The concentration of DDT in the food chain, from lower to higher trophic levels: A. ... Decreases C. Increases or decreases D. Remains constant

The concentration of DDT in the food chain, from lower to higher trophic levels:

Description : The concentration of DDT in the food chain, from lower to higher trophic levels:

Last Answer : The concentration of DDT in the food chain, from lower to higher trophic levels: A. Remain same B. Decreases in glaciers C. Increases D. Unpredictable

Assertion (A) : In a food chain members of successive higher levels are fewer in number. Reason (R ): Number of organisms at any trophic level depends

Description : Assertion (A) : In a food chain members of successive higher levels are fewer in number. Reason (R ): Number of organisms at any trophic level depends

Last Answer : Assertion (A) : In a food chain members of successive higher levels are fewer in number. Reason (R ... . D. If both assertion and reason are false.

Assertion (A) : In a food chain members of successive higher levels are fewer in number. Reason (R ): Number of organisms at any trophic level depends

Description : Assertion (A) : In a food chain members of successive higher levels are fewer in number. Reason (R ): Number of organisms at any trophic level depends

Last Answer : Assertion (A) : In a food chain members of successive higher levels are fewer in number. Reason (R ... . D. If both assertion and reason are false.

Percentage energy transferred to higher trophic level in food chain is

Description : Percentage energy transferred to higher trophic level in food chain is

Last Answer : Percentage energy transferred to higher trophic level in food chain is A. `1%` B. `10%` C. `90%` D. `100%`

How many trophic level are these in the following food chain phytoplankton-shrimp-perch-pike-osprey?

Description : How many trophic level are these in the following food chain phytoplankton-shrimp-perch-pike-osprey?

Last Answer : Need answer

How many trophic levels can monkeys occupy in a food chain?

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Last Answer : Monkeys can only occupy one which is the secondary consumer

he phenomenon of increase in the concentration of toxic substances at each trophic level in a food chain is called

Description : he phenomenon of increase in the concentration of toxic substances at each trophic level in a food chain is called

Last Answer : biomagnification.

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Last Answer : (a) 10%

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Last Answer : Lizard

Is tundra colder than subarctic?

Description : Is tundra colder than subarctic?

Last Answer : the subarctic is colder than the tundra

Why food webs are more useful than food chains?

Description : Why food webs are more useful than food chains?

Last Answer : because they contain a larger amount of animals and how each oneis prey to the other.

Why food webs are more useful than food chains?

Description : Why food webs are more useful than food chains?

Last Answer : because they contain a larger amount of animals and how each oneis prey to the other.

hy is a food web more realistic way of portraying an ecosystem than a food chain? a) Because it shows the relation of organisms with each other in a habitat b) Because food chains use only a small sampling of organisms c) Because it doesn‘t shows the relation of organisms with each other in a habitat d) Because it compares the number of consumers to the number of micro-organisms.

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Last Answer : Because it shows the relation of organisms with each other in a habitat

Which one of the following types of organisms occupy more than one trophic level in a pond ecosystem?

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Which one of the following types of organisms occupy more than one trophic level in a pond ecosystem? (a) Fish (b) Zooplankton (c) Frog (d) Phytoplankton

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Last Answer : (a) Fish

Which one of the following animals may occupy more than one trophic levels in the same ecosystem at the same time? (a) Sparrow (b) Lion (c) Goat (d) Frog

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What is the latitude and longitudes of the Artic Tundra?

Description : What is the latitude and longitudes of the Artic Tundra?

Last Answer : Still working on your project, eh? Fluther is not an open forum for others to do your homework for you. A small amount of time spent researching will give you the answer to this and other questions about the tundra.

Some ideas for making the tundra?

Description : Some ideas for making the tundra?

Last Answer : And please do a lot of research and figure out what animals and plants live there no offense, but isn't that your job? For starters, are you using a white board because you are planning ... think about ponds and lakes. Tundra is often punctuated by a number of thaw ponds during the summer months.

Name the continent where 'Tundra' type of climate is not found -General Knowledge

Description : Name the continent where 'Tundra' type of climate is not found -General Knowledge

Last Answer : C) Africa hope it helps

Arctic tundra is

Description : Arctic tundra is

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Vegetation in Tundra and Mountain Biome.

Description : Vegetation in Tundra and Mountain Biome.

Last Answer : Differentiate between: Vegetation in Tundra and Mountain Biome.

Herbivores found in the Tundra biome are-

Description : Herbivores found in the Tundra biome are-

Last Answer : Identify the incorrect factor: Herbivores found in the Tundra biome are- (a) Reindeer (b) Caribou (c) Bears (d) Wild horse

Tundra is the coldest of the biome.

Description : Tundra is the coldest of the biome.

Last Answer : Identify the correct correlation: A - Tundra is the coldest of the biome. R - Animal life is ... correct but R is not the correct explanation of A.

Write short notes on: Tundra region

Description : Write short notes on: Tundra region

Last Answer : Write short notes on: Tundra region

The main economic activities of people in Tundra region is-

Description : The main economic activities of people in Tundra region is-

Last Answer : Identify the incorrect factor: The main economic activities of people in Tundra region is- (a) ... lumbering (c) animal rearing (d) mining

In Tundra region, the winter temperature is not as severe as the Taiga.

Description : In Tundra region, the winter temperature is not as severe as the Taiga.

Last Answer : Identify the correct correlation: A - In Tundra region, the winter temperature is not as severe as ... but R is not the correct explanation of A.

Tundra climate is observed in the belt from ……………………

Description : Tundra climate is observed in the belt from ……………………

Last Answer : Tundra climate is observed in the belt from (a) near poles in both hemispheres ( ... both hemispheres (d) 0° to 10° in both hemispheres

Complete the chain: Tropical monsoon climate, Tundra climate, Tropical savannah type of climate

Description : Complete the chain: Tropical monsoon climate, Tundra climate, Tropical savannah type of climate

Last Answer : Complete the chain: A B C D (1) Tropical monsoon climate (1) Between 10° and 20° ... winter temperature -20°C to -30°C (4) Deciduous forest

What animals live in a tundra biome?

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Last Answer : Need answer

What eats grass in the tundra?

Description : What eats grass in the tundra?

Last Answer : Pika are small animals that eat grass in the tundra.

How does a dwarf willow survive the tundra?

Description : How does a dwarf willow survive the tundra?

Last Answer : Need answer

What helps tundra animals survive?

Description : What helps tundra animals survive?

Last Answer : they need to find ways to stay warm