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Biodiversity

This category is for questions about biodiversity, or species diversity, which is composed of genetic, species, and ecosystem diversity.

1,421 Questions

What is a man-made ecosystem?

Any man-made ecosystem is an ecosystem controlled by humans. A fish tank is an example of a small man-made ecosystem.

For other examples:

  • fountains with fish in them
  • fish ponds
  • a garden or farmlands
  • rice fields
  • control of swamps or wetlands
  • a habitat constructed for a particular animal
  • a petting zoo
  • a large zoo

What is the term that refers to the opposite of a variable?

The term that refers to the opposite of a variable is its additive inverse. This means that for a variable x, its additive inverse is -x.

Meaning of Biological Spectrum?

It is that the Climate determines the type of plants that can exist in each region, general appearance of vegetation is referred to as physiognomy. It constitutes general structure, shape and life forms of the species comprising the vegetation and actually the classification of vegetation type has been done on the basis of physiognomy. The individual of several species in a community can be grouped in to various life forms on the basis of their physiognomy appearance and growth performance the life form of the vegetation are the product of their genetic pool and tolerance towards the climatic variation.

Why is the Calvin cycle called a cycle?

The Calvin cycle is called such because every process produces something that the next process needs, right back to the original step. Carbon fixation produces the molecules needed for reduction, which produces the molecules needed for the regeneration of ribulose, which produces what's needed for carbon fixation.

What is the meaning of environmental factors?

Living factors also known as biotic factors are components in the environment that affect living organisms such as prey and food. [they affect the organism's existence, prey hunt on them and they need food to survive]

Non living factors also known as abiotic factors are non living components in the environment such as temperature, light.

[changes in temperature and light affect organisms]

United Nations Farms

2 branches of biological science?

Population biology became firmly established as a major subdivision of biological studies in the 1970s. Central to this field is evolutionary biology, in which the contributions of Charles Darwin have been fully appreciated after a long period of neglect. Population genetics, the study of gene changes in populations, and ecology, the study of populations in their natural habitats, have been established subject areas since the 1930s. These two fields were combined in the 1960s to form a rapidly developing new discipline often called, simply, population biology. Closely associated is a new development in animal-behavior studies called sociobiology, which focuses on the genetic contribution to social interactions among animal populations.

Where is biodiversity low?

Biodiversity tends to be lower in extreme environments such as deserts, polar regions, and deep ocean zones where conditions are challenging for most forms of life to thrive. Additionally, areas with heavy human impact, such as urban areas and agricultural landscapes, often have lower biodiversity due to habitat destruction and fragmentation.

Why is biology the study of living things?

The term "BIOLOGY" is constituted from the 2 words bios and logos,perhaps these are Greek/Latin words. However, bios=life; logos=study Hence, Biology=Bios+Logos =Life Study or "Study of Living Beings"

Why is deforestation affecting biodiversity?

The trees and plants affect biodiversity by attracting and housing animals and other living things. The living things produce the nutrients that make the plants grow. The insects on the other hand carry the pollen.

Example of biodiversity?

Biodiversity is the variety of different species in a biome or specific place. So you could say the rainforest is very biodiverse biome because it has so many different types of animals: Red eyed tree frogs, orangutans, toucans, lemurs, spider monkeys, and many more!

Density can be determined using the formula?

Density is calculated by dividing the mass of an object by its volume. The formula for density is D = m/V, where D is density, m is mass, and V is volume. Density is usually expressed in units like g/cm^3 or kg/m^3.

Which biome has the most biodiversity?

The ocean biome because it covers so much of the earths surface and it is a 3D habitat; creatures live miles above and below each other, while land creatures are all living on top of the surface of the earth. Very few creature(in comparison) can survive underground.

What is niche biodiversity?

The diversity of functions an organism can hold in its environment, and the diversity of habitats in which it can live.

(Example) A shark is very niche diverse because it can live in an environment with live fish and eat them, or an environment with mostly dead fish and just eat the dead ones. That's why sharks are "living fossils."

How did Aristotle classified animals on the basis of?

Aristotle's classification of animals grouped together animals with similar characters into genera (used in a much broader sense than present-day biologists use the term) and then distinguished the species within the genera. He divided the animals into two types: those with blood, and those without blood (or at least without red blood). These distinctions correspond closely to our distinction between vertebrates and invertebrates. The blooded animals, corresponding to the vertebrates, included five genera: viviparous quadrupeds (mammals), birds, oviparous quadrupeds (reptiles and amphibians), fishes, and whales (which Aristotle did not realize were mammals). The bloodless animals were classified as cephalopods (such as the octopus); crustaceans; insects (which included the spiders, scorpions, and centipedes, in addition to what we now define as insects); shelled animals (such as most molluscs and echinoderms); and "zoophytes," or "plant-animals," which supposedly resembled plants in their form -- such as most cnidarians.

What is the greatest threat to biodiversity in Latin America?

Deforestation is one of the greatest threats to biodiversity in Latin America. The clearing of forests for agriculture, urbanization, and logging has led to the loss of habitat for many species, resulting in a decline in biodiversity. Climate change is also a significant threat, affecting ecosystems and species survival in the region.

Calvin cycle takes place in the?

Calvin cycle takes place in the stroma of chloroplasts in plant cells. It is a series of reactions that occur during the light-independent stage of photosynthesis, where carbon dioxide is fixed into glucose molecules using ATP and NADPH produced during the light-dependent reactions.

What is germplasm?

Gene is a segment of DNA that is located in a chromosome and that codes for a specific hereditary trait while Germ Plasm is hereditary material (chromosomes and genes) that is usually contained in the protoplasm of germ cells.

What is an example of competitive exclusion principle?

Example: Squirrels in Britain

The Red Squirrel (Sciurus vulgaris) is native to Britain but its population has declined due to competitive exclusion, disease and the disappearance of hazel coppices and mature conifer forests in lowland Britain.

The Grey Squirrel (Sciurus carolinensis) was introduced to Britain in about 30 sites between 1876 and 1929. It has easily adapted to parks and gardens replacing the red squirrel.

Today's distribution is shown below.The Grey SquirrelThe Red Squirrel

What is microbial biodiversity?

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Knowledge in microbiology is growing exponentially through the determination of genomic sequences of hundreds of microorganisms and the invention of new technologies such as genomics, transcriptomics, and proteomics, to...

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What can be done to protect biodiversity?

Protecting biodiversity can be achieved through creating and enforcing laws that regulate land use and resource management, establishing protected areas such as national parks and reserves, promoting sustainable practices in agriculture and fishing, and raising awareness about the importance of biodiversity conservation among the public. Collaboration between governments, NGOs, businesses, and local communities is also crucial in protecting biodiversity.

What are factors affecting biodiversity?

There are negative and positive factors affecting biodiversity. The major negative factor is habitat loss and pollution. Some positive factors include restoration and protection of unique habitats, reduced pollution levels by the development of advanced chemistry technologies and better waste disposal processes and the natural changing of regional and global climate conditions.

What is the biodiversity in the tundra?

The tundra has low biodiversity due to its extreme cold temperatures and short growing season. Plant diversity is limited to low-growing shrubs, grasses, mosses, and lichens. Animal diversity is also low, with species such as musk oxen, reindeer, Arctic foxes, and polar bears adapted to the harsh conditions.

Why is biodiversity important to people?

Humans need food to survive without biodiversity all most foods might not be available.

Increased by biodiversity equals a stable environment.

Includes with, human health, medicines, food, finding infections in the body, and shelter pro productions.

What do biodiversity crisis mean?

A Biodiversity crisis is the rapid loss of species and the rapid degradation of ecosystems. This threat is greater than global climate change and the impact will affect the prosperity of humankind.