Description : Is the mammalian embryonic development direct or indirect?
Last Answer : In mammals the embryonic development is direct, without larval stage.
Description : Is the embryonic development in birds direct or indirect?
Last Answer : The embryonic development is direct, there is no larval stage.
Description : What is the difference between direct and indirect development? -Biology
Last Answer : answer:
Description : What are the benefits and detriments of having a mixed, direct, or indirect development for organisms? -Biology
Description : Do beings of the class Reptilia have direct or indirect development?
Last Answer : In beings of the class Reptilia the embryonic development is direct. So there is no larval stage.
Description : (i)Explain the events taking place at the time of fertilisation of an ovum in a human female. (ii)Trace the development of the zygote up to its implantation in the uterus. (iii)Name and draw a labelled sectional view of the embryonic stage that gets implanted. -Biology
Last Answer : (i)In humans, the fertilisation of ovum takes place in ampullary-isthmic junction of Fallopian tube. The events that occur during the process of fertilisation are: (a) The sperm reaches the ... endometrium of the uterus. This is called implantation.(iii) Blastocyst stage implants in the uterus.
Description : Study the given figure below and answer the question that follow important-questions-for-class-12-biology-cbse-fertilisation-pregnancy-and-embryonic-development-t-33-3 (i)Name the stage of human embryo the ... implantation in the uterus. (iv)Where are the stem cells located in this embryo? -Biology
Last Answer : (i)The stage is blastocyst. (ii) A—Trophoblast. It helps in attachment to endometrium during implantation and provides nourishment to developing embryo. (iii) Inner cell mass acts as precursor to embryo ... into ectoderm and endoderm. (iv) Stem cells are located in inner cell mass of embryo.
Description : Correct sequence of human embryonic development is
Last Answer : Correct sequence of human embryonic development is A. Gastrocoel-Blastocoel-Neural Crest - ... . Blastocoel-Gastrucoel-Neural crest -Notochord.
Description : Which germ layer developes first during embryonic development?
Last Answer : Which germ layer developes first during embryonic development? A. Ectoderm B. Mesoderm C. Endoderm D. Both 1 and 3
Description : During embryonic development , endoskeleton and muscle develop from which germinal layer :
Last Answer : During embryonic development , endoskeleton and muscle develop from which germinal layer : A. Ectoderm B. Endoderm C. Mesoderm D. Blastopore
Description : In which stage of development the embryonic cells form the germinal layers by the movement
Last Answer : In which stage of development the embryonic cells form the germinal layers by the movement A. Morula B. Blastula C. Gastrula D. Zygote
Description : Three germ layers are formed during which stage of embryonic development :-
Last Answer : Three germ layers are formed during which stage of embryonic development :- A. Morula B. Blastula C. Gastrula D. In any two stages
Description : How are animals classified according to the germ layers present in their embryonic development ?
Last Answer : Cnidarians are diploblastic, i.e., they present only endoderm and ectoderm. With the exception of poriferans, all remaining animals are triploblastic. Poriferans do not present differentiated tissue ... not classify regarding germ layers (although sometimes they are mentioned as diploblastic).
Description : What are the four initial stages of the embryonic development ?
Last Answer : The four initial stages of the embryonic development are the morula stage, the blastula stage, the gastrula stage, and the neurula stage.
Description : What is the cell division during the first stage of the embryonic development called ?
Last Answer : How is this stage characterized? The cell division in the first stage of the embryonic developments is called cleavage, or segmentation. In this stage, mitosis occurs from the zygote forming the new embryo.
Description : What are the cells produced in the first stage of the embryonic development called ?
Last Answer : The cells that resulted from the cleavage (the first stage of the embryonic development) are called blastomeres. In this stage the embryo is called morula (similar to a “morus”, mulberry).
Description : After the blastula stage what is the following stage of the embryonic development ?
Last Answer : How is the passage from blastula to the next stage called? The blastula turns into gastrula in a process known as gastrulation.
Description : What is the chorioallantois membrane present in the embryonic development of reptiles and birds ?
Last Answer : How does this membrane participate in the energetic metabolism of the embryo? The chorioallantois membrane is formed by juxtaposition of some regions of the chorion and the allantois. Since it is ... of gases between the embryo and the exterior thus making aerobic cellular respiration possible.
Last Answer : How is the passage from blastula to the next stage called? The blastula turns into gastrula in a process known as gastrulation. Image Diversity: gastrula
Last Answer : The cells that resulted from the cleavage (the first stage of the embryonic development) are called blastomeres. In this stage the embryo is called morula (similar to a “morus”, mulberry). Image Diversity: morula
Description : How are the main classes of arthropods classified according to the presence of larval stage in their embryonic development?
Last Answer : In crustaceans there are species with direct and others with indirect development. In insects there are species without larval stage (ametabolic insects), others undergoing indirect ... while holometabolic insects undergo complete metamorphosis. Phylum Arthropoda - Image Diversity: metamorphosis
Description : With respect to lens development: a. the lens first appears at 27 days of gestation b. it is formed from neural crest cells c. the lens first appears as a vesicles with a single layer of ... d. Y suture is absent in the embryonic nucleus e. the adult lens is more spherical than the foetal
Last Answer : the lens first appears at 27 days of gestation
Description : During embryonic development, the establishment of polarity along anterior/posterior, dorsal/ventral or medial/lateral axis is called (a) organiser phenomena (b) axis formation (c) anamorphosis (d) pattern formation.
Last Answer : (a) organiser phenomena
Description : The process of series of changes from larva to adult after embryonic development is called (a) regeneration (b) growth (c) metamorphosis (d) ageing.
Last Answer : (c) human males only
Description : Which of the following features is not present in Periplaneta americana? (a) Exoskeleton composed of N-acetylglucosamine (b) Metamerically segmented body (c) Schizocoelom as body cavity (d) Indeterminate and radial cleavage during embryonic development
Last Answer : (a) Exoskeleton composed of N-acetylglucosamine
Description : Metagenesis refers to (a) occurrence of a drastic change in form during post-embryonic development (b) presence of a segmented body and parthe- nogenetic mode of reproduction (c) presence of different morphic forms (d) alternation of generation between asexual and sexual phases of an organism.
Last Answer : (d) alternation of generation between asexual and sexual phases of an organism.
Description : Which one do you think is more damaging; the 'indirect humiliation' or the 'direct humiliation'?
Last Answer : answer:Actually, the scenario that you describe is only humiliating to the object if that person feels inferior. It is, however, directly humiliating to the speaker.
Description : How to solve direct and indirect/inverse variation problem?
Last Answer : .just talk your way thru this ... 1. wire2 is 3 x longer than wire1 .... thus resistance of wire2 has to be 3 x larger than wire1 on the basis of length, alone. 2. wire 2 has a diameter that is 1.5 x larger than wire1 . ... L1/D1^^2 R2 =k * 3*L1/(1.5*D1)^^2 ... you can solve it from there ... ..
Description : Which of the following is the highest income between direct and indirect taxes ?
Last Answer : Between direct and indirect taxes, more income is earned indirectly.
Description : What takes into consideration both the direct and indirect global warming effects of refrigerants.?
Last Answer : Need answer
Description : What is the difference between direct and indirect democracy?
Last Answer : direct democracy is when each person rules and indirect is whenpeople vote for people who rule.
Description : What are the similarities between direct and indirect democracy?
Last Answer : Feel Free to Answer
Description : What is this passage an example of indirect characterization through the characters and rsquo action indirect characterization through the characters and rsquo dialog direct characterization through t?
Last Answer : What is the answer ?
Description : Is threw the ball an indirect or direct object?
Last Answer : indirect object
Description : Is direct auto insurance better than indirect auto insurance?
Last Answer : Direct auto insurance is normally less exspensive to purchase.
Description : I love grammar. direct and indirect object?
Last Answer : love direct object
Description : Energy expenditure of a person can be measured by (A) Bomb calorimetry (B) Direct calorimetry (C) Indirect calorimetry (D) Direct or indirect calorimetry
Last Answer : Answer : D
Description : Relationship between GFR and seum creatinine concentration is (A) Non-existent (B) Inverse (C) Direct (D) Indirect
Last Answer : Answer : B
Description : Which of the following statement(s) is/are true concerning CO2 transfer in the lung? a. Carbon dioxide excretion is a direct function of alveolar ventilation b. Normally end tidal ... d. Positive pressure ventilation under normal airway pressures creates a significant end tidal PaCO2 gradient
Last Answer : Answer: a, b, c The amount of carbon dioxide excretion is directly related to alveolar ventilation. While oxygenation is a function of matching blood flow to alveoli, carbon dioxide excretion is ... high (over 30 cm H2O) and the compression volume is a significant component of each exhaled breath
Description : Aqua ammonia is used as refrigerant in the following type of refrigeration system (a) compression (b) direct (c) indirect (d) absorption
Last Answer : Ans: d
Description : The two forms of democracy are – (1) Parliamentary and Presidential (2) Direct and Indirect (3) Monarchical and Republican (4) Parliamentary and King
Last Answer : (1) Parliamentary and Presidential Explanation: Parliamentary democracy is a representative democracy where government is appointed by representatives as opposed to a 'presidential rule' where in the President is ... . The president serves for a specific term and cannot exceed that amount of time.
Description : The speaker’s vote in the Lok Sabha is called - (1) Casting vote (2) Sound vote (3) Direct vote (4) Indirect vote
Last Answer : (1) Casting vote Explanation: The speaker’s vote in the Lok Sabha is called casting vote. A casting vote is a vote given to the presiding officer of a council or legislative body to resolve a deadlock and which can be exercised only when such a deadlock exists.
Description : The 'Speaker's vote' in the Lok Sabha is called – (1) casting vote (2) sound vote (3) direct vote (4) indirect vote
Last Answer : (1) casting vote Explanation: Normally, the Speaker does not take part in voting in the House. But in case of a tie, he exercises his right of casting vote. His casting vote would decide the issue. In such ... the removal of the Speaker is put to vote in the House, he has the right to cast his vote.
Description : Referendum has an integral relationship with— (1) Indirect Democracy (2) Limited Monarchy (3) Direct Democracy (4) People's Courts
Last Answer : (3) Direct Democracy Explanation: Referendum is a general vote by the electorate on a single political question which has been referred to them for a direct decision. It has an integral relationship with Direct Democracy.
Description : The difference between the GNP and the NNP is equal to the - (1) consumer expenditure on durable goods (2) direct tax revenue (3) indirect tax revenue (4) capital depreciation
Last Answer : (4) capital depreciation Explanation: Depreciation refers to two very different but related concepts: the decrease in value of assets (fair value depreciation), and the allocation of the cost of ... equal to capital depreciation. It is the wearing out, breaking down, or technological obsolescence.
Description : Personal disposable income is - (1) always equal to personal income (2) always more than personal income (3) equal to personal income minus indirect taxes (4) equal to personal income minus direct taxes
Last Answer : (4) equal to personal income minus direct taxes Explanation: Disposable income is total personal income minus personal current taxes. In national accounts definitions, personal income, minus personal ... of personal (or, private) consumption expenditure) yields personal (or, private) savings.