What is called avalanche?

An avalanche (also called a snow slide) is a rapid flow of snow down a slope, such as a hill or mountain. Avalanches can be set off spontaneously, by such factors as increased precipitation or snow pack weakening, or by external means such as humans, animals, and earthquakes.

What is culture is learned explain?

Culture is the patterns of learned and shared behavior and beliefs of a particular social, ethnic, or age group. It can also be described as the complex whole of collective human beliefs with a structured stage of civilization that can be specific to a nation or time period.

What is definition of domesticated plants?

Plants are considered domesticated when their life cycle, behavior, or appearance has been significantly altered as a result of being under artificial selection by humans for multiple generations (see the main article on domestication for more information).

What is domestication class6?

Process in which people grow plants and look after animals: The process in which people grow plants and look after animals is known as domestication.

What is domestication in plant breeding slideshare?

A plant is said to be domesticated when its native characteristics are altered such that it cannot grow and reproduce without human intervention.

What is habitat class 4 answer?

Habitat – A habitat is a place where a plant or an animal lives. It is the natural home of an animal.

What is habitat class 4th?

Answer: A habitat is a place where an organism makes its home. A habitat meets all the environmental conditions an organism needs to survive. For an animal, that means everything it needs to find and gather food, select a mate, and successfully reproduce. …

What is habitat explain aquatic and terrestrial habitat with examples?

Terrestrial habitats are spread out across a large range of environments such as caves, deserts, farms, forests, grasslands, shorelines, wetlands, etc. Examples: cats, ants, spiders. Aquatic habitats ( water) Water supports many lives. Organisms which survive in water are called aquatic animals.

What is habitat give 2 examples each of of desert and aquatic animals?

So we can say that cactus and camel live in a terrestrial habitat (called desert). A water based habitat is called an aquatic habitat. The plants and animals which live in water are said to live in an aquatic habitats. Examples are: Pond, Lake, River, Swamps and Oceans.

What is habitat give example?

A habitat is a home environment for plants and animals or other organisms. Examples of habitats include: desert. meadow.

What is habitat long answer?

Answer: A habitat is a place where an organism makes its home. A habitat meets all the environmental conditions an organism needs to survive. For an animal, that means everything it needs to find and gather food, select a mate, and successfully reproduce. …

What is habitat write any two habitats with an example?

The two main types of habitats are terrestrial, or land habitats and aquatic, or water, habitats. Forests, deserts, grasslands, tundra, and mountains are just a few examples of terrestrial habitats.

What is meant by adaptation and acclimatisation explain with the help of examples class 6?

An example of a structural adaptation is the way some plants have adapted to life in the desert. … … In science,acclimation describes a specific process, the biological changes an animal or plant makes in response to a change, like trees’ acclimation to an increase in carbon dioxide.

What is meant by adaptation class 8?

Adaptation is the ability of organisms to adjust in the existing environment. It is the adjustment of organisms in the surrounding environment for their existence by changing the body structure accordingly. Example: Wolffia, a very small flowering plant, does not have roots. It floats in water.

What is periodic motion class 6?

A motion that repeats itself after equal intervals of time is called periodic motion.

What is plant introduction and types?

Plant introduction is an oldest method of crop improvement. It is used in all three groups of crops, viz. self-pollinated, cross pollinated and asexually propagated. In other words, this method is applicable to all three types of crop species.

What is plant introduction with example?

Plant introduction is defined as a process of introducing plants in the new locality from their own growing locality which may involve wild or totally new variety of crops for the area or you can say a genotype or the group of genotypes are introduced.

What is structural adaptation and examples?

Structural adaptations are physical features of an organism like the bill on a bird or the fur on a bear. … For example, imagine a bird species. One day a bird is born with a beak that is longer than the beak of other birds in the species. The longer beak helps the bird catch more food.

What is structured adaptation?

Structural adaptations are physical features of an organism like the bill on a bird or the fur on a bear. Other adaptations are behavioral. … Adaptations usually occur because a gene mutates or changes by accident! Some mutations can help an animal or plant survive better than others in the species without the mutation.

What is the accustom?

Definition of accustom transitive verb. : to make familiar with something through use or experience.

What is the acquiescence rule?

In law, acquiescence occurs when a person knowingly stands by without raising any objection to the infringement of their rights, while someone else unknowingly and without malice aforethought acts in a manner inconsistent with their rights.

What is the definition of habitat in biology?

The term “habitat” has several meanings. In ecology it means either the area and resources used by a particular species (the habitat of a species) or an assemblage of animals and plants together with their abiotic environment. The focus of this introduction addresses the latter.

What is the difference between domestication and agriculture?

Cultivation is the deliberate attempt to sow and manage essentially wild plants and seed. Domestication is when people experiment and consciously select the right seeds to grow for various conditions.

What is the habitat of aquatic plants?

Most aquatic plants live in freshwater—in lakes, ponds, reservoirs, canals, or rivers and streams. These habitats are very different in water depth, flow rates, temperature, acidity and alkalinity (pH ), and mineral content.

What is the habitat of camel?

No matter the type, camels are usually found in the desert, prairie or steppe. Though many people think that camels only live in hot climates, they do well in temperature ranges from 20 degrees F (minus 29 degrees C) to 120 degrees F (49 degrees C).

What is the introduction of plant?

Plant introduction is defined as a process of introducing plants in the new locality from their own growing locality which may involve wild or totally new variety of crops for the area or you can say a genotype or the group of genotypes are introduced.

What type of volcano is strombolian eruption?

In volcanology, a Strombolian eruption is a type of volcanic eruption with relatively mild blasts, having a Volcanic Explosivity Index of about 1 to 2. Strombolian eruptions consist of ejection of incandescent cinders, lapilli, and lava bombs, to altitudes of tens to a few hundreds of metres.