Q: What is the shape of a spider’s chelicerae?
A: Chelicerata, an arthropod group that includes, horseshoe crabs, arachnids, and sea spiders.…
Q: Do all mammals have aplacenta?
A: Placenta is the organ that develops in the uterus during pregnancy. This structure is essential for…
Q: What is the function of the epididymis? How does it perform this function?
A: The male reproductive system is located outside the body. The male reproductive system is…
Q: What are the characteristics of the anamniotes which differentiate them from amniotes?
A: Amniotes are the vertebrate organisms that includes reptiles, birds and mammals. They are the…
Q: How does Zygote usually differ from Zoospore in terms of ploidy?
A: Ploidy: It means the total number of chromosomes present in cells. If the number of chromosomes sets…
Q: Is an zygote a life?
A: Cell division is a process of a parent cell replicating it chromosomal content and dividing itself…
Q: What is the significance of the notochord?
A: Chordates includes all animals containing a vertebrate or a backbone. Two groups of the…
Q: Which of the following is not a synapomorphy of craniates?
A: Craniates are a group of chordates that includes many organisms that have a cranium or a braincase.…
Q: Are any areas of the frog zygote more darkly pigmented than other areas?
A: Yes , the animal pole is darkly pigmented.
Q: What do you mean by elytra?
A: The class Insecta comprises small, air-breathing arthropods called as insects. They have their body…
Q: What are the features used to identify a male cockroach from a female cockroach?
A: Cockroaches are insects which also includes termites. They belong to kingdom-Animalia. About 30…
Q: Are humans plantigrade or digitigrade?
A: Human evolution explain the many mysterious fact about evolving humans from their ancestors apes
Q: What are some adaptive advantages of a pseudocoel compared to the acoelomate condition?
A: In animals the body cavity (coelom) is the area or free space that contains all the organs suspended…
Q: How many worms were 7.25 cm long?
A: -Normally the worms can be few inches to several centimetres long. -The length of worm varies…
Q: What is the difference between simultaneous and sequential hermaphrodites?
A: Hermaphrodites are organisms that possess both female and male genitalia. This condition is called…
Q: What’s a notochord?
A: Step 1 Kingdom Animalia or metazoan includes all animals of the two-kingdom classification except…
Q: What is blastomeres?
A: Embryonic development is also called as embryogenesis. It is a process by which the embryo forms and…
Q: What is the role of gnathostomata in vertebrates?
A: Phylum Chordates are characterized by the presence of four diagnostic characters notochord, dorsal…
Q: What essential role is played by the epididymis?
A: Male reproductive system includes the male sex organs that are involved in the process of sexual…
Q: Which type of tail is present in Scoliodon?
A: Fishes are gill-bearing aquatic vertebrate animals. The earliest organisms that can be first…
Q: What do you mean by trabeculae?
A: INTRODUCTION:- Trabecula provides support in various organs such as heart,penis,and spleen.
Q: Do sharks have a cecum?
A: In general, the cecum is part of the large intestine in mammals which is present at the junction of…
Q: 6. Pseudopod 7. Photograph 8. Autograph 9. Neuralgia 10. Decapod 11. Hepatitis
A: The language of science differs from the language of everyday life. In fact, it is a language that…
Q: Why is the nucleus no longer observable in the zygote?
A: Zygote is egg or ovum produced when a sperm cell fertilizes with a egg cells. The Fertilizations of…
Q: Difference between eubateria and and archaebateria?
A: Microbe or microorganism is a microscopic organism. Microorganisms are divided into six main types,…
Q: What is metamorphosis?
A: The amphibians and the amniotes eventually evolved from the early tetrapods. Amphibians undergo…
Q: What’s an invertebrate?
A: RH Whittaker gave the five-kingdom classification and divided all the living organisms into the five…
Q: What are the advantages/disadvantages of being a polyp? A medusa? What structures are similar to…
A: A polyp in zoology is one of two structures found in the phylum Cnidaria, the other being the…
Q: Do frogs have a cecum?
A: Biology is a branch of science that studies about the living organisms. The biology studies about…
Q: How is fecundation done in insects (external or internal)? Is there copulation between insects?
A: Fecundation, also known as fertilization involves the physical union of the male and female gamete…
Q: What is the Amphiblatula
A: Sponges such as Sycon are hermaphrodite animals. They undergo sexual reproduction. After…
Q: How many chambers does a scoliodon have?
A: The class Elasmobranchii consists of a large variety of cartilaginous fishes. Scoliodon is known as…
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: How many acrocentric chromosomes do we have?
A: Chromosomes are long thread like structures present in all the cells of the body. They carry coded…
Q: in eathworms, Is the clitellum located near the anterior or posterior end? What does the clitellum…
A: Annelida are segmented worms that live in saltwater, freshwater, and wet terrestrial environments.…
Q: What change occurred in the shape of the horse from Hyracotherium to Equus?
A: Introduction Horses are evolved in North America. Primary centre for horse evolution were great…
Q: What is the notochord?How is this structure formed?
A: Embryology is about the study of zygote and embryonic and organ development in plants and animals.…
Q: What are the similarities and differences between insects that go through com- plete metamorphosis…
A: The vast majority of people are acquainted with complete metamorphosis in childhood as a butterfly…
Q: What type of body symmetry does this creature have?
A: The correct Answer is Option D . Bilateral Symmetry .
Q: How is the dorsal lip of the blastopore similar to the primitive streak? How are they different?
A: Cell movements in gastrulation cause a major rearrangement of the embryo, transforming it from a…
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