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Explain the difference between diploblastic and triploblastic?
Diploblastic organisms have two primary germ layers (ectoderm and endoderm), found in cnidarians and ctenophores. Triploblastic organisms have three primary germ layers (ectoderm, mesoderm, and endoderm) and are found in most other animal groups. The presence of a mesoderm layer in triploblastic organisms allows for more complex organ systems and structures.
What is the connection between cells tissues and organs?
Cells are the building blocks that make up all living organisms. Tissues are groups of like cells that, together, perform a function for the living organism. Organs are relatively independent groups of tissues (tissue or tissues) that work together to perform a function for the living organism
What are two types of cells found in the human body?
There are three types of embryonic cells; endoderm, mesoderm, and ectoderm. In the human body there are many different types of cells, more than two. They are grouped into tissue types. We have four different tissues; connective, nervous, muscular, and epithelial. The two major groups of cell types in the human body are somatic cells and gamete cells.
What are the 4 main groups of living things?
The four main groups of living things are plants, animals, fungi, and protists. These groups are based on common characteristics such as how they obtain energy and their cellular structure.
What is considered to be the first evidence of differentiation in the cells of an embryo?
The first stage of differentition of cells occurs during the development of what is called the gastrula. This is when cells begin to grow into endoderm, mesoderm, and ectoderm cells. These three different groups then go on to become all the different types of cells in all multicell organisms.
Explain the difference between diploblastic and triploblastic?
Diploblastic organisms have two primary germ layers (ectoderm and endoderm), found in cnidarians and ctenophores. Triploblastic organisms have three primary germ layers (ectoderm, mesoderm, and endoderm) and are found in most other animal groups. The presence of a mesoderm layer in triploblastic organisms allows for more complex organ systems and structures.
What are the two major groups of cells in the human body?
There are three types of embryonic cells; endoderm, mesoderm, and ectoderm. In the human body there are many different types of cells, more than two. They are grouped into tissue types. We have four different tissues; connective, nervous, muscular, and epithelial. The two major groups of cell types in the human body are somatic cells and gamete cells.
What are the the major groups of cell types the human body?
There are three types of embryonic cells; endoderm, mesoderm, and ectoderm. In the human body there are many different types of cells, more than two. They are grouped into tissue types. We have four different tissues; connective, nervous, muscular, and epithelial. The two major groups of cell types in the human body are somatic cells and gamete cells.
Why is the body cavity of Ascaris suum known as pseudocoelem?
The term "pseudocoelom" refers to how the body cavity appears in the embryo of an organism. As you probably know, the bilaterians (all organisms with left-right symmetry, and the echinoderms for phylogenetic reasons) have three layers of tissue in the embryo: the ectoderm, endoderm, and mesoderm. In the "true" coelomates, the body cavity ("coelom") is completely surrounded by mesodermal tissue. In the pseudocoelomates, though, the body cavity is partly surrounded by mesoderm but partly surrounded by endoderm. It should be noted that, given our current understanding, the pseudocoelomates do not form a valid taxonomic group. In previous years, the various groups of pseudocoelomates, including the roundworms (Phylum Nematoda), wheel animals (Phylum Rotifera), and others were lumped into one group called the "ascelminthes". Modern fossil and genetic evidence, however, shows that the pseudocoelom has appeared multiple times independently in the animal kingdom.
Why is a pseudocoelom considered to be a false coelom?
A pseudocoelom is considered a "false" coelom because it is not entirely lined by mesodermal tissue, unlike a true coelom. In organisms with a pseudocoelom, the body cavity is situated between the mesoderm and the endoderm, resulting in a cavity that may not provide the same functional separation and organ development as a true coelom. This distinction affects the structural organization and complexity of the organism, typically seen in groups like nematodes.
What is the connection between cells tissues and organs?
Cells are the building blocks that make up all living organisms. Tissues are groups of like cells that, together, perform a function for the living organism. Organs are relatively independent groups of tissues (tissue or tissues) that work together to perform a function for the living organism
What is the significance of coelom in the classification of animals?
Body cavity or coelom is generally the third most important criteria, after levels of organisation and body symmetry, in the classification of animals. Animals can be classified into four types on the basis of the type of body cavity they possess:Acoelomate (coelom absent): includes animals like sponges, coelenterates and flatworms,Pseudocoelomate (false coelom present): includes roundworms, andEucoelomate (true coelom present): includes all chordates, besides rest of the invertibrates.
Where do groups of tissues form?
Animal tissues can be grouped into four basic types: connective, muscle, nervous, and epithelial. Multiple tissue types comprise organs and body structures. While all animals can generally be considered to contain the four tissue types, the manifestation of these tissues can differ depending on the type of organism. For example, the origin of the cells comprising a particular tissue type may differ developmentally for different classifications of animals. The epithelium in all animals is derived from the ectoderm and endoderm with a small contribution from themesoderm which forms the endothelium. Generally, cells differentiate into different tissues depending on the tissues surrounding them.
Where are stem cells found in an adult mammal?
Adult stem cells are found in the bone marrow, they are also called multi-potent stem cells, i.e. they can only differentiate (develop) into 4 main types or cells (nerve, blood, cardiac and white blood cells) They are not as versatile as embryonic stem cells as they pluripotent i.e. they can differentiate into the 3 germ layers, mesoderm, endoderm, ectoderm. Basically they 3 groups of somatic (body) cells
Do groups of different tissues form?
Animal tissues can be grouped into four basic types: connective, muscle, nervous, and epithelial. Multiple tissue types comprise organs and body structures. While all animals can generally be considered to contain the four tissue types, the manifestation of these tissues can differ depending on the type of organism. For example, the origin of the cells comprising a particular tissue type may differ developmentally for different classifications of animals. The epithelium in all animals is derived from the ectoderm and endoderm with a small contribution from themesoderm which forms the endothelium. Generally, cells differentiate into different tissues depending on the tissues surrounding them.
What are all the animal groups?
I belive that's all of the groups... ----
Animal groups what 2 groups can animals be put into?
vertebrates and invertebrates
