Q11. The vigorous swimming motions that a male chinook salmon performs in creating a nest for females to lay her eggs are stereotypical and important for the proper construction of the nest. Which of the following answers best explains why all male chinook salmon follow a similar nest building behavior? a. Females chinook salmon are attracted to any unusual types of nest building behaviors. b. Males must use conditional strategies to build the best nest possible in a variety of habitats. c. Nest building is critical to increasing fitness and these behaviors are an example of a fixed action pattern. d. Male chinook salmon must balance the energy spent building a nest with surviving for another year.

Q: sticklebacks

A: Sticklebacks are elongated, small fishes which reach a maximum length of around 7 inches. The…

Q: Male cockroaches use their sense of smell to find food but also to detect receptive females. Discuss…

A: Anatomy:Antennae: possess specialized hair-like structures known as sensilla, which detect both food…

Q: Q12. In some parts of Michigan, black bears are found near streams in the late summer and early fall…

A: Need to find the two explanation that would increase the fitness of species - bear.

Q: Thinking Critically In what ways can members of the same population compete with one another? How…

A: Competition is a type of species interaction in which organism competes with each other for…

Q: 1. What are the 4 examples of social behaviour among species according to Herron and freeman (2015).…

A: Interactions having a direct effect between populations of species in a community are broadly…

Q: Why do Pelicans have a long history as a cultural symbol of self-sacrifice? 2. Please describe the…

A: As per the guidelines, we are supposed to answer only one question. Kindly post the other question…

Q: 6. Describe the feeding biology of centipedes, spiders, mites and beetles. Compare and contrast…

A: Feeding biology of centipedes , spider, mites and beetles are  1.  Centipedes :-  They  are…

Q: Question 3 Intraspecific variation: involves differences between individuals within a species…

A: Introduction :- Genetic variety refers to the differences in DNA sequence found in each of our…

Q: A researcher is studying a rodent species with a lot of variability in tail length. Individuals may…

A: Fitness and Selection are fundamental concepts in evolution. The basics of each one will be…

Q: A new species is discovered in which males care for offspring after birth, and females leaves the…

A: Most of the time we saw that females care  their offspring , but sometimes both the partner involve…

Q: According to Zahavi's Handicap hypothesis, females select for males with seemingly negative…

A: Zahavi first used the word ‘handicap’ to refer to the male secondary sexual signals which attract…

Q: In an experiment in which resource allocation was studied in ovariectomized and sham-operated brown…

A: The correct answer is - B. Allocation to reproduction enhanced the growth and survival of the brown…

Q: Imagine an altruistic behavior where the direct fitness cost to a donor is 6 and the indirect…

A: When an organism incurs a cost including the possibility of death in order to improve the fitness of…

Q: specific example of altruism in the animal kingdom. Be sure to indicate which species are involved…

A: * Altruism is when an organism behaviour benefits other organisms at a cost to itself in terms of…

Q: 1. In the realm of biology, what is parental investment theory? Do non-present 'parents' exhibit…

A: Parental investment means how much resources like time, energy or food etc. parent give to their…

Q: . search for information and elaborate on rabbits about their Behavior and Habitat 2. please put…

A: Rabbits are interesting mammals that are widely distributed throughout the world. They have unique…

Q: A species of manikin birds has genes that cause related offspring to cooperate to help raise each…

A: Ecology is the study of the relationship between living things, including humans, and their physical…

Q: 11.0- • 1978 • 1976 10.0 9.0 8.0 8.0 9.0 10.0 11.0 Midparent beak depth (mm) The above graph…

A: Introduction Natural selection is the adaptation and modification of populations of living…

Q: During his time, even if his contributions to the field of taxonomy is significant, he did not…

A: 3.  Option A Endosymbiosis  The endosymbiotic theory is the accepted mechanism for how eukaryotic…

Q: 1. From the animals in the figure, which species could have a positive indirect effect on the…

A: Food web - It's a web in which there is natural interconnection of many food chains and it…

Q: Anurans Most anurans breed in water and rainfall stimulates breeding in many species. Ponds may…

A: Behavioral adaptations include all the actions or things that help the organisms do to survive in…

Q: 3. How is migration an example of an innate behavior?

A: The changes in activities of an organism in response to a stimulus is referred to as behaviour.…

Q: From these results, one can conclude that: a. Blue-footed booby parents encourage siblicide b.…

A: According to the given database the result is concluded that :- Masked booby nestlings are more…

Q: Territoriality behaviors actually decrease cometition between members of the same species. Explain…

A: Territorial behaviour is adaptive means as this allows an animal to mate without interruption or to…

Q: 7. The benefit of fighting for a territory is 12 reproductive units, and the cost is 8 reproductive…

A: The Hawk and Dove game theory is a model of conflict where two players are present and outcome is…

Q: In vampire bat colonies, bats who fed sometimes will share blood with bats who did not feed. Which…

A: Vampire bats, species of the subfamily Desmodontinae, are leaf-nosed bats. Their food source blood,…

Q: State how the overproduction of offspring in each species for many generations contributed to the…

A: The world as we know it is slowly being depleted of its natural resources. Habitats are being…

Q: Which of the following would NOT increase the "indirect fitness" of an individual? Genetic relatives…

A: "Genes" are the fundamental unit of heredity. They store genetic information in the form of DNA,…

Q: 21. How is natural selection in the evolution of long necks in giraffes best explained? a.…

A: The process through which populations of living organisms adapt and change is known as natural…

Q: Ecologic fallacy refers to....

A: The study of organisms and their interrelation with environment is known as ecology.  Four types of…

Q: Which scenarios are examples of reproductive barriers between closely related species that can cause…

A: Reproductive barriers are also known as reproductive isolation or mechanism. Reproductive barriers…

Q: 1.1) What variables or data were collected or measured on the finches, by the Grants?

A: Evolution is a process that is observed in the population over time. It occurs due to changes in the…

Q: 5. Name the reproductive-isolating a. One species of frog mates in April, but another mates in May.…

A: The mechanisms of reproductive isolation are a group of behavioural patterns, physiological…

Q: in which the individual fish swim together in a group. The school is typically made up of fi…

A:

Q: Look at the adult mudpuppy, siren, hellbender, and amphiuma Question: What external features…

A: The earth is full of biodiversity. Numerous prokaryotes and eukaryotes inhabit the Earth's…

Q: Understand the examples of species with sex-role reversal.

A: Females strive more strongly than males for availability to mates, resulting in sex-role reversal.

Q: Which statement BEST describes the most likely reason that swimming in a group can help fish avoid a…

A: "Schooling" is a special type of behavior exhibited by fishes, where the individual fishes swim…

Q: provide a paragraph on sexual dimorphism. discuss why some species have pronounced dimorphism, and…

A: Introduction :- Sexual dimorphism refers to the differences in physical appearance and…

Q: K-selected reproductive strategies are favoured when adult survival is high, and populations are…

A: Carrying capacity (K): The number of individuals of particular species that a particular…

Q: Pls help ASAP.

A: Population is a group of individuals of a species living in a particular area.

Q: 8. a clustered 2 8. C 6. isolated 4. 0. 0 4 8. 12 16 20 24 28 Timing of first male arrival (days…

A: In ecology reproduction of organisms involves bearing their offspring for the sustenance of their…

Q: 1. Why do waterfowls posses an intromittent organ that is highly elaborated? 2. What happens if you…

A: Answer :- 1)Intromittent organ in waterfowl by determining the relationships between intromittent…

Q: 1. With "preprogrammed" innate behaviors, a sign stimulus is followed by, a. a period of habituation…

A: Kindly resubmit the question for the answers of left three questions. Here I answered only first…

Immune Disorders

The collaboration between the cells and proteins that work together as a defense system against infection comprises the immune system.Each of them performs a variety of tasks to recognize and/or react against a foreign body.