What Does The Wide Variety Of Different Types Of Animal Eyes Represent


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What does wide variety of different types of animal eyes represent?

What does the wide variety of different types of animal eyes represent? … Their shape arose through convergent evolution since that shape is beneficial for animals living in the ocean. 5.

Why is it important to understand the concept of species?

An understanding of what species are and how to identify them is critical both for biologists and for the general public. Biological diversity is being lost as species go extinct and it is only by understanding species that we can shape the social political and financial forces that affect conservation efforts.

Why are the large finches now living on the Galápagos Islands different from the original source population from a nearby island view available hint S?

Why are the large finches now living on the Galápagos Islands different from the original source population from a nearby island? … A subset of a population of birds leaves its habitat on the mainland and colonizes a nearby island. The birds after a period of time become reproductively isolated.

Can you identify the process by which natural selection acts on an insect population exposed to pesticides?

Can you identify the process by which natural selection acts on an insect population exposed to pesticides? genetic drift. If color is an inherited trait in beetles and birds are more likely to eat brown beetles than green beetles the frequency of the green allele will increase.

What animal has the most variety?

In terms of numbers of species insects certainly represent the largest percentage of the world’s organisms. There are more than 1 million species of insects that have been documented and studied by scientists.

What’s an example of convergent evolution?

An example of convergent evolution is the similar nature of the flight/wings of insects birds pterosaurs and bats. … Structures that are the result of convergent evolution are called analogous structures or homoplasies they should be contrasted with homologous structures which have a common origin.

What do you understand by species explain it?

A biological species is a group of organisms that can reproduce with one another in nature and produce fertile offspring. … Taxonomy is a scientific system that classifies organisms into categories based on their biological characteristics. Species can also be defined based on a shared evolutionary history and ancestry.

What is the significance of species diversity?

Species diversity contributes to ecosystem health. Each species is like a thread holding together an ecosystem. If a species disappears an entire ecosystem can start to unravel. Species diversity is crucial for ecosystem health.

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What is a interbreed mean?

Definition of interbreed

intransitive verb. : to breed together: such as. a : crossbreed. b : to breed within a closed population.

Why were the finches slightly different on each island?

Explanation: Each island has a different environment. The differences in environment selected different variates from the possibilities of the DNA in the finches. Also within a given island there are different niches.

What do the different beaks tell us about the different finch species quizlet?

Different finch beak shapes are evidence that finch species adapted to different environments over many generations. Different finch beak shapes are evidence that individual birds changed their beaks so that they could feed efficiently.

How do Autopolyploidy and Allopolyploidy differ?

The main difference between autopolyploidy and allopolyploidy is that autopolyploidy is the containment of multiple sets of chromosomes that are derived from the same species whereas allopolyploidy is the containment of multiple sets of chromosomes that are derived from different species.

How do you explain natural selection?

Natural selection is the process through which populations of living organisms adapt and change. Individuals in a population are naturally variable meaning that they are all different in some ways. This variation means that some individuals have traits better suited to the environment than others.

Does natural selection act on individuals or does it act on something else explain this?

Natural selection does not act on individual alleles however but on entire organisms. … As natural selection influences the allele frequencies in a population individuals can either become more or less genetically similar and the phenotypes displayed can become more similar or more disparate.

How do insects evolve resistance to pesticides?

How do insects become resistant to pesticide? Insects are known for their ability to develop resistance to insecticides. … Upon exposure to insecticides insects that do not carry the resistance genes die thus allowing the individuals with the resistance genes to survive and reproduce creating more resistant insects.

Which animals has three hearts?

Octopuses and squids (animals called cephalopods) have three hearts. Two hearts pump blood to the gills to take up oxygen and the other pumps blood around the body (Figure 1).

What is the most abundant creature on Earth?

Tailed phages are a kind of bacteriophage— viruses that infect bacteria. They are the most abundant organism on Earth with an estimated 10^31 particles in our biosphere.

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What is the most common animal in the world 2021?

Here is a closer look at the most populous animal on Earth.
  • Cats – 400 Million. …
  • Pigs – 678 Million. …
  • Dogs – 900 Million – 1 Billion. …
  • Cows – 987.51 Million. …
  • Sheep – Over 1 Billion. …
  • Humans – 7.8 Billion (end of 2020) A smiling group of humans. …
  • Bats – Unknown. Bats are misunderstood creatures. …
  • Rodents – Unknown. A wild mouse.

Are butterflies convergent or divergent?

The flying characteristics and mouthparts are convergent among the pollinating insects butterflies moths bats and birds. It is surprisingly easy to find functional similarities among distantly related organisms.

Are dolphins and sharks an example of convergent evolution?

Both dolphins and sharks swim after prey in the ocean. … We know that dolphins and sharks are not closely related and they didn’t inherit their similar body shapes from a common ancestor. Their streamlined bodies dorsal fins and flippers are the result of convergent evolution.

Are birds and butterflies convergent or divergent?

In the case of wings of birds and butterflies the physiological appearance or function is the same – meant for flying but the anatomical structure when observed is completely different. Such structures are known as analogous structures and they indicate lack of common ancestry. This is Convergent evolution.

How do biologists define a species?

A species is often defined as a group of organisms that can reproduce naturally with one another and create fertile offspring.

What is species zoology?

species in biology classification comprising related organisms that share common characteristics and are capable of interbreeding. This biological species concept is widely used in biology and related fields of study.

Why Different species have different characteristics?

The differences in characteristics between individuals of the same species is called variation . Some variation is passed on from parents to offspring via genes during reproduction. This is inherited variation. Some variation is the result of differences in the surroundings or what an individual does.

How is species diversity represented in nature?

There are two constituents of species diversity: Species richness: Number of different species present in an ecosystem. Tropical areas have greater species richness as the environment is conducive for a large number of species. Species evenness: Relative abundance of individuals of each of those species.

What is species diversity Slideshare?

Species diversity – number of different species that are represented in a given community (a dataset) -incorporates both the number of species in a community (species richness)and the evenness of species’ abundances.

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What do you call the variety of different kinds of organisms in a community?

Biodiversity refers to the variety of living organisms within a given area.

Can humans breed with any other animals?

Probably not. Ethical considerations preclude definitive research on the subject but it’s safe to say that human DNA has become so different from that of other animals that interbreeding would likely be impossible. … In general two types of changes prevent animals from interbreeding.

Are Inbreds deformed?

Article content. While inbreeding and incest don’t always lead to deformities it exposes offspring to more recessive genes instead of dominant ones. To inherit a recessive trait such as the Habsburg jaw the child would need two of that gene instead of just one dominant gene.

What does it mean when animals interbreed?

Mammals. Familiar examples of equid hybrids are the mule a cross between a female horse and a male donkey and the hinny a cross between a female donkey and a male horse. Pairs of complementary types like the mule and hinny are called reciprocal hybrids.

What is the best explanation for the different types of beaks in the finches?

a) The changes in the finches’ beak size and shape occurred because of their need to be able to eat different kinds of food to survive. b) Changes in the finches‘ beaks occurred by chance and when there was a good match between beak structure and available food those birds had more offspring.

Why do the finches beak shapes differ?

In other words beaks changed as the birds developed different tastes for fruits seeds or insects picked from the ground or cacti. Long pointed beaks made some of them more fit for picking seeds out of cactus fruits. Shorter stouter beaks served best for eating seeds found on the ground.

How are the finches different from one another?

The birds differ in plumage and body size but the most obvious differences between the birds are the size and shape of their beaks which are dependent on their food preferences and specialisations. The thinnest beak belongs to the green warbler finch which uses it to probe for insects.

What does the fact that finch species have beaks of different shapes and sizes suggest?

What do these beak differences tell us? Having a beak shape well-adapted for obtaining and manipulating/eating a particular type of food in a given environment (i.e. a seed of a certain size and shape or nectar from certain plants) is critical to survive.


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