What is/are major tissue that develops from ectoderm (select all correct answers)? O Nervous system O Epidermis of skin O Digestive lining O Muscles O Blood vessels

Q: The brain and spinal cord develop from a longitudinal ectodermal channel called the _____.

A: Brain and the spinal cord consists of the central nervous system of the body and the nervous system…

Q: Howw many different cell types would you find at the embryonic stages (cleavage, blastocyst, the…

A: After fertilization, the zygote and its associated membranes referred as the conceptus. During the…

Q: Differentiated cells in a developing embryo derive from________.a. endothelium, mesothelium, and…

A: The zygote undergoes the process of cleavage, which is accompanied by cell divisions. Following the…

Q: Which cells produce a hormone that is responsible for an increase in muscle and red blood cell mass,…

A: Testosterone is male sex hormone or androgen which stimulate secondary sexual characteristics in…

Q: Compare and contrast between the following: (1) Medio-lateral intercalation and radial…

A: The layers of a human embryo, from innermost to outermost, are the endoderm, mesoderm, and ectoderm.…

Q: Name two structures derived from each of the three embryonic tissue layers: endoderm, ectoderm, and…

A: Two structures derived from each of three embryonic tissue layers are : Endoderm  gives rise to…

Q: Which embryonic germ layer lines the outer surface of the embryo

A: An embryo is the early stage of human development in which organs form critical body structures.

Q: Which developmental stage is mismatched? a. second week—implantation b. third week—heart development…

A: Option D is mis Matched

Q: What is embryos

A: Introduction  The life starts from single cell called Zygote. A zygote is formed by the fusion of…

Q: Nematocysts are  a.) reproductive cells b.)excretory organs c.) set of muscle cells d.)…

A: Answer  (e). Defensive cells

Q: The process that establishes the foundation of all major organ systems is (a) cleavage. (b)…

A: Developmental biology is about the study of embryo formation, organ and fetal development. Genes…

Q: What part of the blastocyst develops into the embryo?a. Yolk sacb. Placentac. Polar bodyd. Inner…

A: The time taken for the complete development of the fetus inside the uterus is known as the…

Q: Match the germ layer with the correct derivative Gastrodermis v [ Choose ] Ectoderm Endoderm…

A: There are 3 germ layers ectoderm, mesoderm and endoderm giving rise to different organs in…

Q: Which of the following is false? a. The endoderm, mesoderm, ectoderm are germ layers. b. The…

A: The fusion and amalgamation of the male spermatozoa with the ovum of the female are the…

Q: Eventually the amniotic cavity is surrounded by a double-layered membrane called the…

A: The amniotic cavity is the cavity which is the closed sac between the embryo and the amnion and…

Q: Which of the following rows correctly identifies the development of the germ layers? Select one:…

A: The germ layers are an embryonic collection of cells that aid in the creation and development of…

Q: what structure is the pointer pointing to? O Notochord what germ tissues are those structutres made…

A: There are different types of body structures, each specified for a particular function. These…

Q: Which cells are harvested from the early embryo for stem cell research? O enucleated cells umbilical…

A: 23   Answer is all blastocyst cells

Q: In anatomy lab, Thaya pointed to the vertebrae of a cadaver and said “sclerotome.” He pointed to a…

A: The three primary embryonic germ layers termed the ectoderm, mesoderm, and the endoderm function to…

Q: Which primary germ layer (endoderm, mesoderm, & ectoderm) did each tissue description derived from?…

A: Gastrulation is a process included in embryogenesis. The cells of blastula arrange themselves in…

Q: which germ layer (tissue) gives rice to our nervous system and outer coverings. a) endotherm b)…

A: The mesoderm, or middle tissue, gives rise to most of the muscle and connective tissues. Finally the…

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: In adults, new connective tissue cells originate from the Ectoderm Mesenchyme Endoderm Mesoderm

A: In the embryonic stage, the three primary cell layers are formed that give rise to various tissues…

Q: Which of the following is an embryonic tissue found in animals?

A:

Q: Why are the ectoderm and endoderm called the “germ” layer?

A: Gastrulation is the process of the embryonic development in which cell  movements establish the…

Q: All of the cell types of an adult vertebrate develop from three primary embryonic germ cell layers,…

A: The three germ layers: ectoderm, mesoderm, and endoderm give rise to various tissues. The ectoderm…

Q: Which embryologic tissue develops into the spinal cord (mesoderm/ectoderm/endoderm)?

A: The formation of the embryo is one of the defining features of sexual reproduction. This embryo…

Q: Which tissue type or organ is correctly matched with its germ layer tissue? A) nervous–mesoderm B)…

A: Introduction :- The mesoderm is a germ layer that develops between the ectoderm, which produces skin…

Q: Which of the following tissues of the limb does not arise from lateral plate mesoderm? fascia blood…

A: Lateral plate mesoderm It is the mesoderm which can be found at the periphery of embryo. It is…

Q: Which of these produces blood cells and germ cells at the early stages of fetal development? O…

A: The yolk sac is responsible for producing blood cells and germ cells during the early stages of…

Q: Match the organ/structure to its embryological tissue. Liver [选择] Skin [选择] Blood [选择] Melanin [选择]…

A: Ectoderm refers to the outer germ layer, which is responsible for the development of epithelial…

Q: Why are the cell movements (i.e. invagination, involution, epiboly) important in proper development…

A: The study of embryo development is known as embryology. This covers the transformation of a…

Q: In the development of the nervous system, one of the following is false? The neural tube maintains…

A: The vertebrate nervous system is framed in embryos. neural plate: A thick, level bundle of ectoderm…

Q: Which of the following is not required for internal fertilization? O sperm receptacle O behavioral…

A: The process of the formation of new organisms from the existing organisms is called reproduction. It…

Q: From which of the following is the embryo developed? Trophoblasts Inner cell mass Blastocoelen…

A: Embryo is formed from the  zygote and zygote is formed by the union of the male and female gametes.…

Q: Which of the following is NOT a function of the placenta? To supply the embryo or fetus with milk.…

A: The placenta grows during pregnancy in the uterus. The placenta connects to the uterine wall, and…

Q: What is the third layer that forms as a result of gastrulation in some animals? mesoderm endoderm…

A: Gastrulation is the cycle during early stage advancement that changes the incipient organism from a…

Q: In adults, new connective tissue cells originate from the________.a. mesodermb. mesenchymec.…

A: Connective tissues are composed of fibers, which forms a framework and support structure for body…

Q: O Lungs Claws or nails Mammary glands O Jaws O Fur O Feathers

A: A phylogenetic tree helps to understand evolutionary relationship between 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…

A: The three germ layers are particularly seen in vertebrates during the embryonic development.…

Q: Division of human egg is a) Holoblastic and equal b) Holoblastic and unequal c) Isoblastic d)…

A: Introduction - One of the largest cells in the human body is the human egg, or ovum. It is, however,…

Q: The folding of ectoderm on the top of the embryo during organogenesis produces...? Group of answer…

A: In humans, the folding of neuro-ectoderm gives rise to one of the most important structure i.e…

Q: Which of the following correctly lists the germ layers of an embryo? O A. exoderm, mesoderm,…

A: Step 1 Embryonic development or embryogenesis is the development of the embryo from the fertilized…

Q: Fill in the blank:  The embryonic membrane that is attached to the edge of the embryonic disk and…

A: An embryonic membrane is a type of membrane that originates from the fertilized egg cell, and are…

Q: atch the germ layer on the right with its contribution to the tissues and organs of the embryo, on…

A: Endoderm, ectoderm, and mesoderm are the three germ layer types. Tissues and embryonic organs…