Which of the variations would be favorable in this environment for the population of polar bears?

Q: Before Darwin’s theory of natural selection, others suggested inheritance of acquired/learned…

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Q: Darwin proposed natural selection as a mechanism for evolution. How is it similar to artificial…

A: According to guidelines we have to answer the first question only. so please kindly post the…

Q: Do you think there is any similarity in the theories proposed by Darwin and Lamark? Explain.

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A: Q.  The correct option in image 1 is option A i.e, Natural Selection eliminates adaptive traits. It…

Q: Darwin’s idea for the mechanism of evolution is called the Theory of Natural Selection. One…

A: Each generation produces more individuals capable of surviving. Individuals differ phenotypically,…

Q: population of fish live on the bottom of a lake and are eaten by bigger fish. Color is a heritable…

A: Camouflage is a natural manner by which some organisms protect themselves from their predators. Thus…

Q: Some genes are more alike between human and chimp than other genes are from person to person. Does…

A: With plants and animals in general, humans share more than 50 percent of their genetic material.…

Q: In order for natural selection to occur, organisms must (select all that apply) have a variation…

A: BASIC INFORMATION  DARWINISM  He was an English naturalist. He sailed on a ship called HMS Beagle.…

Q: Environments all over the world are changing as a result of global warming. Will this cause natural…

A: The gradual elevation in the temperature of the earth is global warming. It results from the…

Q: Which of the following changes or mutations can be acted upon by natural selection? For each choice,…

A: Charles Darwin is often considered the father of evolution theory as he gave the modern theory of…

Q: Deer mice are usually found in the woods and are dark brown in color. The deer mice that live in the…

A: Deer mice is a genus of rodents, Peromyscus. They have large eyes and two-tone colored fur. The dark…

Q: In which of these examples can natural selection act on a trait and cause the population to evolve?…

A: There are several phenomena that lead to evolution of a population. For example genetic drift and…

Q: How can Darwin's finches explain natural selection and descent with modification? What is another…

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Q: Of the 500 eggs produced by a particular frog, only 10% developed into adult frogs. Which part of…

A: Darwin’s theory gives a brief idea about the evolution and adaptation to sustain in a diverse…

Q: Which of the following changes or mutations can be acted upon by natural selection? For each choice,…

A: Evolution is the gradual accumulation of changes in organisms over a period of time. The theory of…

Q: Which statement about the genetic basis of races in humans is correct? You are more closely related…

A: Answer :- Option (C) is correct. - Racial differences only account for about 3-5% of genetic…

Q: Which statement describes a part of Darwin’s theory of evolution?     Variation is not essential to…

A: Answer. Natural selection is a process in which the organism which is better adapted to the…

Q: Some people think that many of our uniquely human traits arose by sexual selection. Over thousands…

A: Sexual selection is a kind of natural selection in which either males or females choose their…

Q: Both Darwin and Wallace, while observing life on islands, concluded that natural selection is the…

A: Introduction It is believed that at least 30 species of honeycreeper birds were present in Hawaiian…

Q: Lamarck was an early naturalist who published his own ideas about species changing over time. He,…

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A: Genetic modifications or adaptations preventing insecticide from working inside a mosquito on its…

Q: Darwin put together several pieces of information when formulating his theory of evolution. Which of…

A: The theory of evolution stated by Darwin includes the following points: Evolution is a constant…

Q: 4. (5:17) Which of the following correctly describes a principle of natural selection? A. Variation…

A: Ans:- Option (B) is right.-- Individual members of a species are only able to pass down favorable…

Q: Natural selection means that the environment favors survival of some genotypes. From where does…

A: Natural selection can also give certain people a reproductive edge over others. Natural selection…

Q: Which of the following is a type of evidence that DARWIN used to support the idea of common ancestry…

A: Introduction: Evolution is the change in the inherited characteristics of biological populations…

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A: Organisms in nature have the tendency to produce offspring at a geometric rate. However, the…

Q: You are tall, dark, and handsome but only average in intelligence. You want your future sons and…

A: The variations in the population are made by mutations, gene flow, genetic drift. These bring the…

Q: Of all the evolutionary mechanisms known, only one is non-random: Group of answer choices genetic…

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Q: Would it have made a difference if natural selection had acted on the dominant allele instead of the…

A: Dominant over recessive

Q: Using what you know about the different types of Selection, describe what you might expect of this…

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Q: population of birds lives on a mountain. In this population, there are red-winged birds,…

A: Evolution is a kind of change that shapes the present day species. It manifest lot of changes and us…

Q: Which of the following statements is NOT an observation or inference on which natural selection is…

A: The following statements is NOT an observation or inference on which natural selection is based -…

Q: With which statement would Darwin most likely have agreed? *       Competition among individual…

A: Evolution are the slow changes occur in the earth that brings about transformation of life from…

Q: A small population of wood rats boarded a ship leaving Europe and ended up in South America where…

A: Answer. Natural selection: is a process by which the forms of organisms in a population that are…

Q: The inhabitants of the island Tristan de Cunha all descended from one indigenous family and a few…

A: The number of living organisms of a particular species or group dwelling in a specific geographical…

Q: In natural selection, what must be TRUE of traits that are passed down through generations? * The…

A: The theory of natural selection was given by Charles Darwin. According to this theory the  traits…

Q: Sexual selection leads to brighter male plumage in a species of duck. Choose. The evolution of the…

A: Evolution can occur at the micro and macro level, driven by various interactive forces in the…

Q: You find an isolated, natural pond (call it pond #1) with a population of 400 Danio kerri. Evolution…

A: The most suitable answer would be natural selection, genetic drift and/or mutation.

Q: Identifying genes like HMGA2 is important, because it is evidence of natural selection. How does it…

A: Answer.  Natural selection is a process by which the forms of organisms in a population that are…

Q: Evolution by natural selection is founded on what basic idea?     Random genetic mutations that…

A: Introduction: Natural selection is the mechanism of evolution. The process of evolution makes the…

Q: Which of the following is NOT one of Darwin's postulates?   Individuals in a population will have…

A: As

Q: A population of plants live in a valley. In this population there are plants with red flowers,…

A: Genetic drift is defined as sudden disappearance of genes from population owing to an event. Since…

Q: As an experiment, Dr. Charles Someone released bunnies on an island where there were no natural…

A: The development of heat resistant bunnie was more assumed but the growth of heat succeptible bunnie…

Q: A farmer spends much of her time outdoors. As a result, her skin has become very tanned. What would…

A: People tan as a result of UVA radiation. UVA rays reach the epidermis' lower layers, where they…

Q: Why is genetic variation important to the process of evolution? (Choose all that apply) If all of…

A: Genetic variation is a concept used to characterise the DNA sequence variation within each of our…

Q: Which of the following is the hypothesis that individuals who possess favorable traits are more…

A: Introduction: According to the definition of evolution, species change over time, give rise to new…

Q: A massive mudslide takes out half of the trees growing on a mountain side. The trees that are left…

A: When the swap in the relative frequency of various genotypes as a consequence of sudden death or…

Ecological adaptations

An ecological adaptation is any morphological, physiological, or behavioral trait of an organism that allows it to survive and reproduce in a habitat or ecosystem. Adaptation is a biological mechanism by which an organism gradually gets more acclimated to its surroundings.