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: 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: What are placental mammal ? Explain the role of placental mammal ?
A: Placental mammals are a diverse group, with nearly 4000 species described, the majority of which are…
Q: What are the number of chromosomes in worm?
A: Chromosomes are thread-like structure of nucleic acids and protein, which are found in the nucleus…
Q: What are zoonoses? Whatare some examples ofzoonoses transmitted bybirds?
A: Infection can be transmitted by vectors of reservoirs that carry the infectious agent in them. The…
Q: Define about Oogamy in Albugo ?
A: Albugo belongs to family ALBUGINACEAE. The taxonomy of this genus is not fully cleared as many treat…
Q: why do gray squirrels prefer crushed walnuts than walnuts with shells?
A: Normal squirrels have four front teeth that never stop growing and make it easy for them to eat…
Q: What is notochord?
A: Notochord is a rod that extends through the chordate organisms.
Q: What is the significance of the notochord?
A: Chordates includes all animals containing a vertebrate or a backbone. Two groups of the…
Q: What are Trochozoans ? Explain what do they play ?
A: The Trochozoa are a proposed Lophotrochozoa clade that is sister of Polyzoa. The trochozoans clade…
Q: What genetic changes led to the increasing complexity of the arthropod body plan?
A: Answer- Arthropods are among the most adapted phyla on the planet. There are many factors…
Q: What is reproductive in Honey bee
A: Offspring are produced during reproduction. Sexual and asexual reproduction are the two main types.…
Q: What are the functions of feathers?
A: For a bird, feathers perform a variety of functions: 1) they provide insulation, most birds' body…
Q: What influences the distribution of pillbugs?
A: Kingdom Animalia is a diverse group. The organisms of this group inhabit a range of habitats.…
Q: How many zygotes do humans have?
A: A zygote is a eukaryotic cell formed after the fertilization between two gametes, the sperm cell,…
Q: Compare and contrast polyp and medusa form. How is the polyp form advantageous over medusa and vice…
A: Cnidaria is the phylum that belongs to subkingdom Eumetazoa and kingdom Animalia. There are about…
Q: Are humans plantigrade or digitigrade?
A: Human evolution explain the many mysterious fact about evolving humans from their ancestors apes
Q: Why the birds require parabronchi?
A: The respiratory system in aves is responsible for the oxygen delivery from the air and helps in the…
Q: Which amniotes are endothermic? What are some advantages of endothermy?
A: An organism alludes to something living that has a coordinated design, can respond to boosts,…
Q: What are the flask shaped female sex organ in mosses called?
A: Mosses are the non-vascular plants that reproduce via spores. These organisms form a separate phylum…
Q: Is there a respiratory pigment in the annelid blood?
A: The annelids are also referred to as the segmented worms. Some examples are leeches and earthworms.…
Q: what is a cleidoic egg?
A:
Q: In amniotes the space around the auditory ossicles in the middle ear cavity is filled with _______.…
A: The collection of vertebrates that lays their eggs on the land instead of water, or have their fetus…
Q: Did the arthropod body plan resultfrom new Hox genes?
A: Step 1 An arthropod is a phylum of triploblastic, haemocoelomic, segmented invertebrates having the…
Q: What is the function of the arachegonium? O a. To carry out a sexual reproductive O b. To produce…
A: An archegonium is a multicellular construction or organ of the gametophyte period of specific…
Q: Is fecundation in mammalsinternal or external?
A: Fecundation, also known as fertilization involves the physical union of the male and female gamete…
Q: What is the role of blood sinuses in the cockroaches?
A: Introduction All aerobic organism need oxygen to survive. This oxygen can be taken either by skin…
Q: what will happen to the egg when it was soaked in warm water
A:
Q: In which habitat do birdslive?
A: The habitats of birds refer to the area in which the bird build their nests.
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: 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: Give three division of chordata in tabular form?
A: The Phylum Chordate includes vertebrates, such as fishes, reptiles, birds, amphibians, reptiles,…
Q: What is the mot distal part of a crinoid that is associated with feeding? A. brachige B. Pinnules C.…
A: Crinoids are marine animals belonging to the phylum Echinodermata and the class Crinoidea.
Q: How many chromosomes do snakes have?
A: Chromosomes are long thread-like structures that carry coded genetic information in the form of DNA.…
Q: Give the digrammatic reprsentation showing a leeping frog?
A: Vertebrates have spinal cord which remain surrounded by bone or cartilage. Reptiles, birds, fish,…
Q: How do birds reproduce?
A: Different processes involved in animal development described by the Direct and indirect development.…
Q: What are the four major group of protozon?
A: Protozoans are microscopic eukaryotic unicellular organisms. Their nutrition may be saprobic,…
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: Most wrasses are sequential hermaphrodites. What do you think is an adaptive advantage of this…
A: Step 1 Sequential hermaphroditism or dichogamy is a type of hermaphroditism occurring in many fish,…
Q: What are the typicalfeatures of mammals?
A: Vertebrates have spinal cord which remain surrounded by bone or cartilage. Mammals are vertebrate…
Q: The egg of a fish is what type of chordate egg and why? a. isolecithal b. telolecithal with total…
A: All fish eggs are surrounded by using an envelope, referred to as the zona pellucida (ZP), that…
Q: What is the destination of the notochord in vertebrates and in protochordates?
A: A notochord appears in embryos as a small flexible rod made from cells from the mesoderm. It is only…
Q: What are the adaptations of Rana?
A: Rana is the genus name of the common pond frogs. Rana temporaria is one of the most common species…
Q: What makes a (domestic) pig be under the family "Suidae"? In other words, what are the…
A: The domestic pig, often called as swine, hog, is a large, domesticated, even-toed ungulate. It is…
Q: Is the embryonic development in earthworms direct or indirect?
A: The earthworm is a hermaphrodite organism in which both male and female reproductive organs are…
Q: Describe the introvert of a loriciferan and a priapulid
A: Loriciferan is an organism belonging to a group of small marine organisms that have undetermined…
Do all mammals have a
placenta?
Placenta is the organ that develops in the uterus during pregnancy. This structure is essential for providing oxygen and nutrients for the growing baby and removing the waste materials from the developing baby.
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