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option (d) is correct.Starfish are not fish, but rather marine invertebrates or "echinoderms" in the class Asteroidea.They are known for their ability to regenerate amputated limbs, and are characterized by flexible arms attached to a central disc. The central disc is essential to regeneration in nearly all sea star species.

Dolphins show the remarkably long memory. But among the dolphins, bottlenose dolphins have the longest memory, according to the study. They use a unique whistle to call one another.

Conservation of Forest and Wildlife in India

Conservation is necessary to preserve the ecological diversity and our life support systems such as air, water, and soil. In response to the conservationist’s demand, The Indian Wildlife (Protection) Act came into action in the year 1972. This act provided several provisions for protecting habitats.

The primary agenda of the programme was to protect the remaining population of certain endangered species by banning hunting, giving legal protection to their habitats, and restricting trade in wildlife. For this, the central and the state governments established different national parks and wildlife sanctuaries.

The central government has also come up with different projects for protecting specific animals, which were gravely threatened, including the tiger, the one-horned rhinoceros, and others. In the year 1973, Government of India, came up with the Project Tiger to save the endangered species of tiger in the country.

Under the Wildlife Act of 1980 and 1986, several hundred butterflies, moths, beetles, and one dragonfly have been added to the list of protected species. In the year 1991, plants were also added to the list.

Types and Distribution of Forest and Wildlife Resources

In our country, the majority of forest and wildlife resources are either owned or managed by the government. This is done by the Forest Department or other government departments. Forests are usually divided into following categories:

Reserved Forests:As far as the conservation of forest and wildlife resources are concerned, these are believed to be most valuable. Hence, known as the reserved forests. It covers half of the total forest land.

Protected Forests:Such forests land is protected from any further depletion. Thus, these are called the protected forests. About -third of the total forest area is protected forest.

Unclassed Forests:Finally, there were the unclassed forests.This includes the other forests and wastelands belonging to both government and private individuals and communities. Since they weren’t classed or categorized, they got the name unclassed forests.

The study of heredity, or how the characteristics of living things are transmitted from one generation to the next. Every living thing contains the genetic material that makes up DNA molecules. This material is passed on when organisms reproduce. The basic unit of heredity is the gene.

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Father of Genetics. Gregor Mendel, through his work on pea plants, discovered the fundamental laws of inheritance. He deduced that genes come in pairs and are inherited as distinct units, one from each parent.

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option b frog is the answer

Gregor Mendel is the father of genetics.

Gregor Mendel is the father of genetics

Gregor Mendel is known as Father of Genetics.Through his work on pea plants, he discovered the fundamental laws of inheritance.

we should conserve forest and wildlife

trees in the forest give oxygen and animals eat other harmful animals which are a threat to humans

Axon and dendriteare two components of nerve cells. Nerve cells are the structural and functional units of the nervous system of animals. ... The maindifference between axon and dendriteis thataxoncarries nerve impulses away from the cell body whereasdendritescarry nerve impulses from synapses to the cell body.

Axon and dendriteare two components of nerve cells. Nerve cells are the structural and functional units of the nervous system of animals. ... The maindifference between axon and dendriteis thataxoncarries nerve impulses away from the cell body whereasdendritescarry nerve impulses from synapses to the cell body.

Regeneration: Small broken parts or cut of the organisms body grow or regenerate into separate individuals.

Lizards cast off their tails to escape predators & then regenerate them .

Planaria can be cut into any number of pieces and each piece grows into a complete organism.

Budding:In budding small parts of the body of the parent grows out as a bud which then detaches and become a new organism.Hydra reproduces by budding using the regenerative cells. A bud develops as an outgrowth in Hydra due to repeated cell division at one specific site.when Fully mature, the bud detaches itself from the parent body and develops into new independent individuals.

The flatworm is platyhelminthus

Thecentral dogma of molecular biologydescribes the two-step process, transcription and translation, by which the information in genes flows into proteins: DNA → RNA → protein. Transcription is the synthesis of an RNA copy of a segment of DNA

Transcriptionis the process in which a gene's DNA sequence is copied (transcribed) to make an RNA molecule.

RNA polymeraseis the main transcription enzyme.

Transcription begins when RNA polymerase binds to apromotersequence near the beginning of a gene (directly or through helper proteins).

RNA polymerase uses one of the DNA strands (thetemplate strand) as a template to make a new, complementary RNA molecule.

Transcription ends in a process calledtermination. Termination depends on sequences in the RNA, which signal that the transcript is finished.

Thecentral dogmaofbiologydescribes just that. It provides the basic framework for howgeneticinformation flows from a DNA sequence to a protein product inside cells. This process ofgeneticinformation flowing from DNA to RNA to protein is called geneexpression

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Humanshould conserve biodiversitybecause of its benefit for example services and biological resources which are essential to live our life on earth. However, it also provides spiritual benefits as well as social benefit

With more plants, trees and animals the soils improved and became stronger - less prone to erosion, drought and flooding.Biodiversityis of great importance in order to maintain stable ecosystems. ... The destruction of rainforest causes erosion, loss of valuable species and changes in climate.

dna formation is right too

DNA is correct answer

DNA is right answer.

Regeneration is not same as reproductionbecauseRegenerationis only a type of asexualreproductionwhilereproductioncan be sexual or asexual. ...Regenerationis the process by which an animal restores a lost part of its body which include wound healing, tissue repair, and many kinds of restorative activities.please like the solution 👍 ✔️👍

Transcription is the process by which DNA is copied (transcribed) to mRNA, which carries the information needed for protein synthesis. Transcription takes place in two broad steps. First, pre-messenger RNA is formed, with the involvement of RNA polymerase enzymes.

Transcription is the process by which DNA is copied (transcribed) to mRNA, which carries the information needed for protein synthesis. Transcription takes place in two broad steps. First, pre-messenger RNA is formed, with the involvement of RNA polymerase enzymes. The process relies on Watson-Crick base pairing, and the resultant single strand of RNA is the reverse-complement of the original DNA sequence. The pre-messenger RNA is then "edited" to produce the desired mRNA molecule in a process called RNA splicing.

Ans :- Ribosomal RNA (rRNA) associates with a set of proteins to form ribosomes. These complex structures, which physically move along anmRNAmolecule, catalyze the assembly ofamino acidsinto protein chains. They also bind tRNAs and various accessory molecules necessary for protein synthesis.

Every animal-like cell has two small organelles calledcentrioles. They are there to help the cell when it comes time to divide. They are put to work in both the process of mitosis and the process of meiosis.Hence, option d.

centrioles are associated with b) reproductionespecially during mitosis

Molecules ofrRNAaresynthesizedin a specialized region of the cell nucleus called the nucleolus, which appears as a dense area within the nucleus and contains the genes that encoderRNA. ...Ribosomalproteins aresynthesizedin the cytoplasm and transported to the nucleus for subassembly in the nucleolus.

therefore option (

option c is the right answer

option c is the correct one

c) is the right answer of the following

cytoplasm is the correct answer of this question

ibosomalproteins aresynthesizedin the cytoplasm and transported to the nucleus for subassembly in the nucleolus

nucleolus is the correct answer

option c is the correct answer

option (1) is correct.

We should conserve biodiversity because it is very important for all living organisms and for the environment. We should conserve biodiversity to save it from becoming extinct.

Ans :- Absorption of Lipids. The bulk of dietary lipid is neutral fat or triglyceride, composed of a glycerol backbone with each carbon linked to a fatty acid. Finally, small intestinal contents contain lipids from sloughed epithelial cells and considerable cholesterol delivered in bile.

Digestion is the breakdown of food into smaller particles or individualnutrients.Digestion begins in the mouth and continues as food travels through the small intestine. Most absorption occurs in the small intestine.

difference means subtraction

Diffractionrefers to various phenomena that occur when a wave encounters an obstacle or a slit. It is defined as the bending of waves around the corners of an obstacle or through an aperture into the region of geometrical shadow of the obstacle/aperture.

Diffraction refers to various phenomena that occur when a wave encounters an obstacle or a slit. It is defined as the bending of waves around the corners of an obstacle or aperture into the region of geometrical shadow of the obstacle

what is rusting of iron

Variousthreats to biodiversity. ...

#1 Government legislation. ...

#2 Nature preserves. ...

#3 Reducing amount of invasive species. ...

#4 Habitat restoration. ...

#5 Captive breeding and seed banks. ...

#6 Research. ...

#7 Reduce climate change.

sutro county has been the first place

Distancetravelled is a scalar quantity whiledisplacementis a vector quantity. ... But if the body changes its direction while moving, then thedisplacementis smaller than thedistancetravelled

khejdi is an endangered species

Endangered” means aspeciesis in danger ofextinctionthroughout all or a significant portion of its range. “Threatened” means aspeciesis likely to becomeendangeredwithin the foreseeable future.' ... Generally speaking, they areanimalsand plants that are in decline and may be in danger ofextinction.

The performance of ananimalis influenced by two major factors;

Genetic potentialThe environment, which includes:Feeding,Health, care and the ecological conditions.

The genetic potential of an animal is inherited from its parents.

In selection and breeding animals with superior characteristics are selected and allowed to mate.

In the process they transmit the superior characteristics to their offspring.

When this is done over a long period of time, it results in livestock improvement.

A luminous object is one that gives off light. In other words, it glows (or shines) of its own accord.

Objects which have light of their own are called luminous objects. For example, both Sun and tube lights are luminous objects.

Ans :- molecular scissors are nothing butRESTRICTION ENZYMESwhich are used to cut DNA, and RNA. These are also called DNA SCISSORS. These enzymes are very specific unlike normal scissor. They cut the given molecule at a specific position either producing a blunt cut or sticky end. Basically the cutting site is a Palindromic sequence.

Restriction enzymes are molecule specific, cut in a particular style and leave two types ofendsof aDNA molecule.

Amphibiansare those organisms which live on both land and in water.Bryophytesarecalled amphibiansof theplant kingdombecause theseplantsthough live in soil but they need water for sexual reproduction. The sperm ofbryophyte(antherozoids) are flagellate and need water to swim to the eggs.

They are the first plant to servive in water and land . therefore, it called amphibians of plant kingdom

Sporophytic plant body is differentiated into roots, stem and acicular (needle-like) leaves

This is because theupper surface of a leafis more exposed to the sun as compared to thelower surface.

Hence, to trap maximum sunlight, there is more chlorophyll on theupper surfaceas compared to thelower surface.

Transpiration is the loss of water fromleaves, stems, etc. in the form of water vapor.