Describe why bilateral symmetry can be considered an evolutionary consequence of triploblastia

Q: According to the chart below, species B is MOST LIKELY found in which kingdon Characteristics of…

A: Answer: All the organisms were classified in five kingdom classification , on the basis of ;…

Q: Explain the development of bisporic embryo and its subtypes with the help of diagram

A: In flowering plants, the female gametophyte is the embryo sac and it contains haploid gametes and so…

Q: Describe the structure of megasporangium in Selaginella.

A: Selaginella is the only living genus of the order Selaginellales, commonly known as ‘spike moss’.…

Q: Discuss the unique reproductive capacity of the bdelloid rotifer.

A: Bdelloid rotifers belong to kingdom Animalia and phylum rotifera.They are mainly found in freshwater…

Q: Compare the differences in sexual reproduction between Porifera and Cubozoans. How does the…

A: The important evolutionary step which happened with respect to the phylum cnidaria was the…

Q: DEUTEROSTOMIA Chordata Chordata V [Choose ] Endostyle Anus forms at or near the site of the…

A: Blastopore :-  It is a pit in the side of the embryo, through which cells destined to be endodermal…

Q: What is the tissue origin of the following: Placoid Scales Cosmoid Scales Ganoid scales Cycloid…

A: scales in fishes.

Q: Cartilaginous axial skeleton without paired fins and scales in adults are features of a.Petromyzon…

A: Petromyzon

Q: Briefly describe the distinguishing morphological features of each of the following: eurypterids,…

A: Eurypterids, horseshoe crabs, and pycnogonids are classified under the Subphylum Chelicerata. In…

Q: Both bilateral symmetry and cephalization are synapomorphies of Bilateria. O True O False

A: Ans- True  Explanation- Most of the animals have either bilateral or radial symmetry. Majority of…

Q: Bilateral symmetry and the anus forming at or near the site of the blastopore characterize…

A: Deuterostomes are those animals in which anus of digestive tract is developed first before the…

Q: other ya Timematodea euphasmatodeans Nanophyllium Microphyllium Chitoniscus Phyllium complete loss…

A: Phylogenetic tree or cladogram is a representation of the evolutionary relationship between…

Q: of these is true about this organism? Check each phrase that is true omain Eukarya otozoan acterium…

A: Some ladder like arrangements of cells shown in the picture. The cells are longer than wider.

Q: identify the type of trichome present in: -Phoenix sylvestris -Cassia obtusifolia -Bauhinia anguina

A: Trichomes is derived from the Greek word trichoma which means "hair". Trichomes are specialized…

Q: Write any four distinguishing features of lepidophyta

A: Club Mosses and their relatives come under the lepidophyta(lycopods).

Q: Hemichordata is a small aberrant group which was earlier placed with chordata. Give reason.

A: Taxonomy is a branch of science involved with classification, particularly of organisms;…

Q: Are any areas of the frog zygote more darkly pigmented than other areas?

A: Yes , the animal pole is darkly pigmented.

Q: dentify and label the parts of the following specimens of Phylum Annelida:

A: Phylum Annelida includes all the segmented worms and lacks vertebral columns hence are…

Q: What phylum do these corals(cnideria) fall under? What are two defining characteristics of this…

A: There are 7 different taxonomical ranks in which organisms are grouped :  kingdom, phylum or…

Q: Make a phylogenetic tree just including the following= phylum nematoda (enoplea and chromadorea)…

A: Phylogenetic tree represents evolutionary relationship among organisms. Phylogenetic tree is…

Q: Separate Paeonia from the family Ranunculaceae based on embryological   characters.

A: Introduction: The plant kingdom consists of multicellular, photosynthetic organisms constituting the…

Q: The structure indicated by the arrow in the larva above is used for

A: Answer Option E) A and B only Locomotion and Feeding

Q: Having _______ is a synapomorphy of bilaterians.

A: Having 3 germ layers is a synapomorphy of bilaterians

Q: Enlist the order of endopterygota division with one example of each. explain briefly.

A: Endopterygota is a division with the following characteristics: Internal wings development Complete…

Q: Explain the molecular mechanism underlying the symptoms of Xerodermapigmentosum.

A: Xeroderma pigmentosum (XP) is an autosomal recessive disorder which is characterised by sensitivity…

Q: Nematodes and arthropods both (develop an anus from the blastopore formed during…

A: Nematode and arthropods fall under one same ancestor clade i.e. Ecdysozoa.  Nematodes are roundworms…

Q: State 4 morphological differences between the class Oedipodiopsida and class Andreaeobryopsida

A: The morphological differences between the class Oedipodiopsida and class Andreaeobryopsida are as…

Q: Identify: 2. These are none functional mitochondrial remnant organelle of diplomonads.

A: The diplomonads belong to the group of zoo-flagellates which are parasitic in nature. They are…

Q: A. Compare T. solium and T. saginata on the basis of - 1. Length 2. Scolex 3. Gravid segment 4. Egg…

A: Taeniasis is a kind of worm or parasitic infection that affects humans. This infection is caused by…

Q: What is labelled diagram of Helobdella ?

A: Animal phyla are classified according to certain characteristic features such as the type of body…

Q: what is the symmetry of the organism navicula? explain

A: Navicula has bilateral symmetry.

Q: QUESTION 2:  Define the following: Parapodia: Chaetae: Metanephridium: Septa:

A: All the given formations are found in annelids.

Q: Describe the similarities and differences in the sexual reproduction of the following: Chlamydomonas…

A: Chlamydomonas and Spirogyra are the algae. Algae are the chlorophyll-containing autotrophic…

Q: Diagram of an androecium and gynoecium together of bougainvillea.

A: Bougainvillea is a kind of flower that falls under the family, Nyctaginaceae. The actual flower is…

Q: What is the characteristics of head of a common frog (Polypedates leucomystax)?Based on the given…

A: Polypedatus leucomystax , also called the common tree frog or the four-lined tree frog. This species…

Q: Diatoms show tests of silica and pseudopodia that radiate from thei True O False

A: Any eukaryotic organism that is not a mammal, plant or fungus is a protist.

Q: sketch the microscopic features of the genus asperigillus

A: Introduction :- A fungus is any member of a group of eukaryotic organisms that includes…

Q: What are the unifying characteristics of Sardinella tawilis under the following taxonomic ranks:…

A: Sardinella tawilis, however, is considered the most valuable fish inside the area that calls for…

Q: Holometabolis refers to complete metamorphosis (True/False)?

A: The above-mentioned statement is true. Holometabolsim is a synonym for complete metabolism. It…

Q: Draw the morphological structure diagram for the word inexcusableness. (Note: There is only one…

A: Morphological Structure:  The study of words and their parts is known as morphology. Prefixes,…

Q: Name the kidney shaped covering of sorus in Dryopteris.

A: Dryopteris is a plant genus that grows in tropical, subtropical, and temperate regions of the world.…

Q: What type of centra does a tilapia have? what type of tail does a tilapia have?

A: Tilapia is a type of fish belongs to the family cichlidae . They are fresh water fishes found in…

Q: Examine this photo of Tilapia. What type of body symmetry do you observe

A: Tilapia  It is a freshwater fish of cichlid family. It is commonly found in river, pond, and lakes.

Q: Create a dichotomous key for the following genera: Pheretima Hirudinaria Haemadipsa…

A: Pheretima - Annelida Hirudinaria - annelida Haemadipsa- annelida Octopus-mollusca Sepia- mollusca…

Q: Hello, good day. I have a problem answering this question, and I need your help. Hoping for a…

A: Physical features of Aedes aegyptiAedes aegypti is a small, dark mosquito. It is differentiated from…

Q: Phaeophyta- Brown Algae Describe the structure, ecology, and economic biology of Fucus and other…

A: Algae are a large group of marine organisms capable of performing photosynthesis. Most people are…

Q: [9.4] Examine a prepared slide of the sheep liver fluke Fasciola. Parasites like Fasciola feed by…

A: There are few important points about the liver fluke or Fasciola Its belong to Phylum…

Q: IDENTIFY: This refers to the haploid phase in the Polysiphonia life cycle.

A: Algae are multicellular eukaryotes that belong to the plant kingdom. They are photosynthetic…

Evolutionary lineages

An evolutionary lineage is a series of populations of organisms that descend from a common ancestor. Each species in the lineage is the direct consequence of evolutionary change from a common ancestor. A phylogenetic tree is generally used to display lineages visually. Lineages are components of the phylogenetic tree of life. Molecular systematics procedures are widely used to predict lineages.