Feeding relationships can be defined as a set of associations of feeding habits. Different organisms in a community practice different feeding habits, and the relation between all of them vary accordingly. All the organisms in a community are divided into types, namely producers, and consumers. The producers make their own food, while the consumers rely on the producers for the food, and energy.

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Answer 1

Question

Chapter 20, Problem 1TQ

Summary Introduction

Feeding relationships can be defined as a set of associations of feeding habits. Different organisms in a community practice different feeding habits, and the relation between all of them vary accordingly. All the organisms in a community are divided into types, namely producers, and consumers. The producers make their own food, while the consumers rely on the producers for the food, and energy.

Expert Solution & Answer

Answer to Problem 1TQ

Food chain is a chain in which one organism is prey for other organisms. Therefore, option (d) is correct.

Explanation of Solution

Justify reasons for the correct statement:

The food chain is defined as the representation of the direction, in which energy is transferred from a producer to a consumer. It is unidirectional, and consists of a single sequence. It is a linear network. The link in a food web starts from producers, and end at predator species.

Option (d) is given as “Food chain”.

Hence, option (d) is correct.

Justify reasons for the incorrect statements:

Option (a) is given as “life history”.

A life history of a community encompasses a record of all the species, which are present and their succeeding, and preceding generations. Hence, it is a wrong answer.

Option (b) is given as “keystone relationship”.

A keystone species is the species that has a large overall effect on its community. It is the presence or absence affects other species of the community. The keystone species are related to all the other organisms of the community, in terms of food. Hence, it is a wrong answer.

Option (c) is given as “food web”.

A food web is defined as a mixture of all the food chains present in a community connected to each other at same organism. It shows how different food chains interact, and are followed for life sustenance. Hence, it is a wrong answer.

Hence, options (a), (b), and (c) are incorrect.

Conclusion

The food chain is the interaction between different organisms in terms of their prey and predator relationship.

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Question #3: In the KeyGene paper, the authors state that it would be useful if pollen from an apomict would transmit apomixis-inducing genes to the female in the cross (assuming the pollen is viable). Assuming there was just one gene conferring gametophytic obligate apomixis, and that the two parents are inbreds, what would be the consequences of such a cross if: a) The apomixis was a dominant trait? Indicate the genotypes and phenotypes (apomict or non- apomict) of the parents, F1 and F2 generations. Remember to include the expected genotypic and phenotypic ratios (or percentages) in the F1 and F2 generations, and to position the female first (left side) in the parental cross. b) The apomixis was a recessive trait? Indicate the genotypes and phenotypes (apomict or non- apomict) of the parents, F1 and F2 generations. Remember to include the expected genotypic and phenotypic ratios (or percentages) in the F1 and F2 generations, and to position the female first (left side) in the…

Question #5: Assume that two genes are identified that confer gametophytic facultative apomixis in soybean. The genes show independent assortment. Recessive alleles at both loci are required for the facultative apomixis. Facultative apomixis is triggered when the temperature at pollination is above 20 degrees C. At temperatures below 20 degrees C, all reproduction is sexual, independent of genotype. A facultative apomict male, capable of producing viable pollen, was crossed with a sexually reproducing female. Assuming the parents are completely inbred, what are the predicted phenotypic ratios (apomict: non-apomict) for the F1, F2, and DH (F1-derived) generations at each of the following temperatures*: a) 15°C? b) 25°C? *for full credit, show crosses and genotypes where appropriate. Remember to position the female first (left side) in the cross. Type your answer here:

Answer 2

Question

Chapter 20, Problem 1TQ

Summary Introduction

Feeding relationships can be defined as a set of associations of feeding habits. Different organisms in a community practice different feeding habits, and the relation between all of them vary accordingly. All the organisms in a community are divided into types, namely producers, and consumers. The producers make their own food, while the consumers rely on the producers for the food, and energy.

Expert Solution & Answer

Answer to Problem 1TQ

Food chain is a chain in which one organism is prey for other organisms. Therefore, option (d) is correct.

Explanation of Solution

Justify reasons for the correct statement:

The food chain is defined as the representation of the direction, in which energy is transferred from a producer to a consumer. It is unidirectional, and consists of a single sequence. It is a linear network. The link in a food web starts from producers, and end at predator species.

Option (d) is given as “Food chain”.

Hence, option (d) is correct.

Justify reasons for the incorrect statements:

Option (a) is given as “life history”.

A life history of a community encompasses a record of all the species, which are present and their succeeding, and preceding generations. Hence, it is a wrong answer.

Option (b) is given as “keystone relationship”.

A keystone species is the species that has a large overall effect on its community. It is the presence or absence affects other species of the community. The keystone species are related to all the other organisms of the community, in terms of food. Hence, it is a wrong answer.

Option (c) is given as “food web”.

A food web is defined as a mixture of all the food chains present in a community connected to each other at same organism. It shows how different food chains interact, and are followed for life sustenance. Hence, it is a wrong answer.

Hence, options (a), (b), and (c) are incorrect.

Conclusion

The food chain is the interaction between different organisms in terms of their prey and predator relationship.

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Answer 3

Question

Chapter 20, Problem 1TQ

Summary Introduction

Feeding relationships can be defined as a set of associations of feeding habits. Different organisms in a community practice different feeding habits, and the relation between all of them vary accordingly. All the organisms in a community are divided into types, namely producers, and consumers. The producers make their own food, while the consumers rely on the producers for the food, and energy.

Expert Solution & Answer

Answer to Problem 1TQ

Food chain is a chain in which one organism is prey for other organisms. Therefore, option (d) is correct.

Explanation of Solution

Justify reasons for the correct statement:

The food chain is defined as the representation of the direction, in which energy is transferred from a producer to a consumer. It is unidirectional, and consists of a single sequence. It is a linear network. The link in a food web starts from producers, and end at predator species.

Option (d) is given as “Food chain”.

Hence, option (d) is correct.

Justify reasons for the incorrect statements:

Option (a) is given as “life history”.

A life history of a community encompasses a record of all the species, which are present and their succeeding, and preceding generations. Hence, it is a wrong answer.

Option (b) is given as “keystone relationship”.

A keystone species is the species that has a large overall effect on its community. It is the presence or absence affects other species of the community. The keystone species are related to all the other organisms of the community, in terms of food. Hence, it is a wrong answer.

Option (c) is given as “food web”.

A food web is defined as a mixture of all the food chains present in a community connected to each other at same organism. It shows how different food chains interact, and are followed for life sustenance. Hence, it is a wrong answer.

Hence, options (a), (b), and (c) are incorrect.

Conclusion

The food chain is the interaction between different organisms in terms of their prey and predator relationship.

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Subscribe now to access step-by-step solutions to millions of textbook problems written by subject matter experts!

Answer 4

Question

Chapter 20, Problem 1TQ

Summary Introduction

Feeding relationships can be defined as a set of associations of feeding habits. Different organisms in a community practice different feeding habits, and the relation between all of them vary accordingly. All the organisms in a community are divided into types, namely producers, and consumers. The producers make their own food, while the consumers rely on the producers for the food, and energy.

Expert Solution & Answer

Answer to Problem 1TQ

Food chain is a chain in which one organism is prey for other organisms. Therefore, option (d) is correct.

Explanation of Solution

Justify reasons for the correct statement:

The food chain is defined as the representation of the direction, in which energy is transferred from a producer to a consumer. It is unidirectional, and consists of a single sequence. It is a linear network. The link in a food web starts from producers, and end at predator species.

Option (d) is given as “Food chain”.

Hence, option (d) is correct.

Justify reasons for the incorrect statements:

Option (a) is given as “life history”.

A life history of a community encompasses a record of all the species, which are present and their succeeding, and preceding generations. Hence, it is a wrong answer.

Option (b) is given as “keystone relationship”.

A keystone species is the species that has a large overall effect on its community. It is the presence or absence affects other species of the community. The keystone species are related to all the other organisms of the community, in terms of food. Hence, it is a wrong answer.

Option (c) is given as “food web”.

A food web is defined as a mixture of all the food chains present in a community connected to each other at same organism. It shows how different food chains interact, and are followed for life sustenance. Hence, it is a wrong answer.

Hence, options (a), (b), and (c) are incorrect.

Conclusion

The food chain is the interaction between different organisms in terms of their prey and predator relationship.

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Subscribe now to access step-by-step solutions to millions of textbook problems written by subject matter experts!

Answer 5

Chapter 20, Problem 1TQ

Summary Introduction

Feeding relationships can be defined as a set of associations of feeding habits. Different organisms in a community practice different feeding habits, and the relation between all of them vary accordingly. All the organisms in a community are divided into types, namely producers, and consumers. The producers make their own food, while the consumers rely on the producers for the food, and energy.

Expert Solution & Answer

Answer to Problem 1TQ

Food chain is a chain in which one organism is prey for other organisms. Therefore, option (d) is correct.

Explanation of Solution

Justify reasons for the correct statement:

The food chain is defined as the representation of the direction, in which energy is transferred from a producer to a consumer. It is unidirectional, and consists of a single sequence. It is a linear network. The link in a food web starts from producers, and end at predator species.

Option (d) is given as “Food chain”.

Hence, option (d) is correct.

Justify reasons for the incorrect statements:

Option (a) is given as “life history”.

A life history of a community encompasses a record of all the species, which are present and their succeeding, and preceding generations. Hence, it is a wrong answer.

Option (b) is given as “keystone relationship”.

A keystone species is the species that has a large overall effect on its community. It is the presence or absence affects other species of the community. The keystone species are related to all the other organisms of the community, in terms of food. Hence, it is a wrong answer.

Option (c) is given as “food web”.

A food web is defined as a mixture of all the food chains present in a community connected to each other at same organism. It shows how different food chains interact, and are followed for life sustenance. Hence, it is a wrong answer.

Hence, options (a), (b), and (c) are incorrect.

Conclusion

The food chain is the interaction between different organisms in terms of their prey and predator relationship.

Answer 6

Chapter 20, Problem 1TQ

Summary Introduction

Feeding relationships can be defined as a set of associations of feeding habits. Different organisms in a community practice different feeding habits, and the relation between all of them vary accordingly. All the organisms in a community are divided into types, namely producers, and consumers. The producers make their own food, while the consumers rely on the producers for the food, and energy.

Expert Solution & Answer

Answer to Problem 1TQ

Food chain is a chain in which one organism is prey for other organisms. Therefore, option (d) is correct.

Explanation of Solution

Justify reasons for the correct statement:

The food chain is defined as the representation of the direction, in which energy is transferred from a producer to a consumer. It is unidirectional, and consists of a single sequence. It is a linear network. The link in a food web starts from producers, and end at predator species.

Option (d) is given as “Food chain”.

Hence, option (d) is correct.

Justify reasons for the incorrect statements:

Option (a) is given as “life history”.

A life history of a community encompasses a record of all the species, which are present and their succeeding, and preceding generations. Hence, it is a wrong answer.

Option (b) is given as “keystone relationship”.

A keystone species is the species that has a large overall effect on its community. It is the presence or absence affects other species of the community. The keystone species are related to all the other organisms of the community, in terms of food. Hence, it is a wrong answer.

Option (c) is given as “food web”.

A food web is defined as a mixture of all the food chains present in a community connected to each other at same organism. It shows how different food chains interact, and are followed for life sustenance. Hence, it is a wrong answer.

Hence, options (a), (b), and (c) are incorrect.

Conclusion

The food chain is the interaction between different organisms in terms of their prey and predator relationship.

Answer 7

Chapter 20, Problem 1TQ

Summary Introduction

Feeding relationships can be defined as a set of associations of feeding habits. Different organisms in a community practice different feeding habits, and the relation between all of them vary accordingly. All the organisms in a community are divided into types, namely producers, and consumers. The producers make their own food, while the consumers rely on the producers for the food, and energy.

Answer 8

Expert Solution & Answer

Answer to Problem 1TQ

Food chain is a chain in which one organism is prey for other organisms. Therefore, option (d) is correct.

Answer 9

Expert Solution & Answer

Answer 10

Expert Solution & Answer

Answer 11

Explanation of Solution

Justify reasons for the correct statement:

The food chain is defined as the representation of the direction, in which energy is transferred from a producer to a consumer. It is unidirectional, and consists of a single sequence. It is a linear network. The link in a food web starts from producers, and end at predator species.

Option (d) is given as “Food chain”.

Hence, option (d) is correct.

Justify reasons for the incorrect statements:

Option (a) is given as “life history”.

A life history of a community encompasses a record of all the species, which are present and their succeeding, and preceding generations. Hence, it is a wrong answer.

Option (b) is given as “keystone relationship”.

A keystone species is the species that has a large overall effect on its community. It is the presence or absence affects other species of the community. The keystone species are related to all the other organisms of the community, in terms of food. Hence, it is a wrong answer.

Option (c) is given as “food web”.

A food web is defined as a mixture of all the food chains present in a community connected to each other at same organism. It shows how different food chains interact, and are followed for life sustenance. Hence, it is a wrong answer.

Hence, options (a), (b), and (c) are incorrect.