1. Fill out the table below.  Parameter Amphibian Egg Avian Egg Yolk Amount         Yolk Distribution            Cleavage Pattern

Q: Is the feather on the right side of the picture an adult male, adult female or juvenile? O Adult…

A: The presence of feathers in birds is their unique feature. Feathers provide insulation to birds and…

Q: 1)Development is just another name for fertilization a)True b)False 4)A fertilized egg is the same…

A: Fertilization is a term used to denote the fusion of male gamete i.e. sperms/pollens with the female…

Q: The cells that pull the archenteron through the blastocoel in the sea urchin are _____ cells called…

A: The early stage in the development of the embryo is referred to as gastrulation. Gastrulation is a…

Q: Check All That Apply Glow fish can't reproduce. Only males can pass on the glow trait. Glow fish can…

A: Explanation: The initial mating experiment between glowing fish discovered that glow fish can indeed…

Q: Embryos with cleavage pattern depicted in panel A exhibit mosaic development. B True False

A: Note: As per Bartleby Guidelines, For Remaining Answers Please Repost The Question. Introduction:…

Q: One function of the placenta in a 1 point human is to * (1) Allow nutrients to diffuse from the…

A: Placenta is the structure which is formed by both the fetus and the mother. It release the hormone…

Q: proteins and RNA specified by maternal genes accumulate in the  _____  of the oocyte and influence…

A: Maternal effects often occur because the mother supplies a particular mRNA or protein to the oocyte.

Q: various species of reef fishes, sex reversal is commonly associated with the animal’s _____. A)…

A: Sex reversal is the extreme example of phenotypic plasticity in which the phenotype changes…

Q: abel the chick embryo (late stage) . *please refer to the attached photo for the guide questions to…

A: 1. Auditive vesicle  2. Myelencephalon  3. Optic vesicle  4.Mesencephalon  5. Optic cup

Q: Rank the steps from first to last. To rank items as equivalent, overlap them. Reset Help Worms are…

A: There are different methods of reproduction in other organisms. It is studied under the domain of…

Q: C. Development 1. Label the following embryo development stages and cells: zygote, blastocoel,…

A: Introduction  Life starts from single cell called Zygote. Zygote is the single diploid cell resulted…

Q: differentiate the frog testis and mammal testis.  Testis characteristics Frog Mammal 1.     2.

A: Although molecular clock dating suggests its break from other frogs dates back to the Permian, 265…

Q: A cleidoic egg is one that. (mark all that apply) has no yolk has been adapted for being laid on…

A: Since we only answer 1 question in case of multiple question, we’ll answer the first question as the…

Q: 5) The body symmetry that allows for the body to be bisected into equal halves in only one plane is…

A: 5) The body symmetry that allows for the body to be bisected into two equal halves in only one plane…

Q: Fill in the blank:  A human offspring is called a(an) ___________________ until the end of the…

A: The development of human offspring takes around nine months. The development involves four stages.…

Q: explain how different types of development patterns (metamorphosis) in insects contribute to the…

A: Metamorphosis is a process through which insects undergo a series of drastic changes and develop…

Q: Fill in the blank:  After the eighth week, a developing human is called a(an) ___________________…

A: On the very first day of your last menstrual period Initially the stage comes when the start of the…

Q: What  similarities  do  the  illustrations  have?  What are the differences?  What trends do you see…

A: Comparing different embryonic stages of different animals is a tool that can be used to infer…

Q: 4. Sarcomas and hematopoietic cancers are both derived from which germ layer? A. Ectoderm B.…

A: "Cancer" is a fatal disease that has both physical and mental consequences for a person. Cancer can…

Q: orm only D. Sea Star only E. Earthworm and Squid F. Crayfish and Sea Star G. all four H. none of the…

A: 21- Earthworm and squid 22- All four 23-crayfish and sea star  24-Earthworm only 25- squid only

Q: Compare and contrast gametogenesis in starfish and sea urchin. Please make sure that the answer is…

A: Gametogenesis is a biological process that involves the production of gametes or germ cells in an…

Q: 31. What are the reproductive options for mammals? Group of answer choices a.budding b.hatching…

A: Oviparous are those animals that lay eggs and it develops into young ones. While viviparous are…

Q: The loser of a polyclad flatworm penis fencing bout A. expends energy healing wounds B. expends…

A: Hi, Thanks For Your Question.  Answer : Correct Option Is D

Q: Can I get clariication on the week 2 to 3 events of development (bilaminar disk; amniotic cavity,…

A: Embryogenesis is the process that refers to the development of the fetus during the first eight…

Q: List the stages of development once the egg is fertilized

A: The cycle in which a life form creates from a solitary celled zygote to a multi-cell creature is…

Q: In mammals, primordial germ cells migration ends when they reach the _________________   posterior…

A: Primordial germ cells (PGCs) are highly specialized cells that act as precursors of gametes, which…

Q: 5 new structures that appeared in the 33-hours chick embryo and indicate the germ layer derivative…

A: The development of a chick embryo can be studied by dissecting the embryo and analyzing various…

Q: Which of the following is a true statement?(A) All mammals have menstrual cycles.(B) The endometrial…

A: Reproductive system (or genital system) is used for the sexual reproduction. The female attains…

Q: Choose the correct statement w.r.t. Periplaneta a.In female cockroach, sperms are stored in…

A: The American cockroach, Periplaneta americana (Linnaeus), is characterized by the largest of the…

Q: Researchers searched for an activator of neural tissue formation. What is the real pathway for this…

A: In this question, from the given choices, we have to select the correct option for neural tissue…

Q: In the list of animals given below, hen is the odd one out.Human being, cow, dog, henThe reason for…

A: Reproduction is a process through which an organism produces organisms of similar kinds. It is of…

Q: Tadpole is the developing stage of which of these:         I.   Dogs        II.   Cats       III.…

A: Tadpole is a larval stage during the life cycle of a specific type of organisms. It is the stage…

Q: Rose tells you her sister was only in labor 1 hour when she had her baby. Rose is planning to spend…

A: Yes we will advice her not to go for camping in her last day of pregnancy.

Q: D E Figure 42.11 Use the figure above showing human embryonic developmental day 14 to ans The…

A: Embryo is pre birth stage. It is formed just after fertilization and is followed by fetal stage. It…

Q: 8. The major event in the embryonic development of animals that results in a layered embryo is…

A: An embryo is the early stage of development of a multicellular organism. In general, in organisms…

Q: For each embryonic tissue type, write one organ or differentiated cell type that is derived from…

A: Introduction:- The endoderm (inner layer), ectoderm (outer layer), and mesoderm (middle layer) are…

Q: Match the tissue to the germ layer it develops from. Question   Epithelium   Central nervous…

A: Introduction: The three germ layers are notably noticeable in vertebrates during embryonic…

Q: -4. In the diagram below, the stages of development in a frog embryo are NOT arranged in the correct…

A: Gastrulation is the process where the blastomere cells undergo dramatic movements that leads to…

Q: А. А v where eggs are made В. В v where sperm are made v where baby grows, contracts at birth С. С…

A: In the sexually reproducing organisms, the reproductive system includes primary sex organs,…

Q: Fill in the blank: The embryonic stage is completed by the end of the ___________________ week of…

A: Introduction: The embryonic stage is the period of human development in the uterus of mother. It is…

Q: 1. The highest survival rate was observed during _____ interval. 2. The likelihood that a 0-day egg…

A: Here,the parameters given in the life table of Apis mellifera are: Nx - No.of individuals present Ix…

Q: Toad Starfish Yolk Amount Yolk Distribution Cleavage pattern

A: The distribution and amount of yolk present in the eggs of the animals can determine the cleavage of…

Q: List down 3 differences and 3 similarities between the embryonic development of human & chicks

A: Introduction Embryogenesis is the process of initiating and developing an embryo from a zygote…

Q: Read following statements w.r.t. cockroach and choose the option which correctly states true and…

A: The phylum arthropods are unique in a way due to the presence of exoskeleton and segmented body.…

Q: Match the term to the correct description. + Allantois A. Fluid-filled membrane that protects the…

A:

Q: Embryos with cleavage pattern depicted in panel B exhibit mosaic development. B A) True B) False

A: Embryo  In developmental biology, the early stage of multicellular organism that is form by…

Q: A: Why do sea urchins have external fertilization? [Discuss the life style of the developing sea…

A: Introduction: We’ll answer the first question since the exact one wasn’t specified. Please submit a…